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<meta name="robots" content="INDEX,FOLLOW,NOARCHIVE" /><meta name="citation_inbook_title" content="PDQ Cancer Information Summaries [Internet]" /><meta name="citation_title" content="Laryngeal Cancer Treatment (PDQ®)" /><meta name="citation_publisher" content="National Cancer Institute (US)" /><meta name="citation_date" content="2024/11/25" /><meta name="citation_author" content="PDQ Adult Treatment Editorial Board" /><meta name="citation_pmid" content="26389189" /><meta name="citation_fulltext_html_url" content="https://www.ncbi.nlm.nih.gov/books/NBK65746/" /><meta name="citation_keywords" content="laryngeal cancer" /><meta name="citation_keywords" content="adult laryngeal cancer" /><link rel="schema.DC" href="http://purl.org/DC/elements/1.0/" /><meta name="DC.Title" content="Laryngeal Cancer Treatment (PDQ®)" /><meta name="DC.Type" content="Text" /><meta name="DC.Publisher" content="National Cancer Institute (US)" /><meta name="DC.Contributor" content="PDQ Adult Treatment Editorial Board" /><meta name="DC.Date" content="2024/11/25" /><meta name="DC.Identifier" content="https://www.ncbi.nlm.nih.gov/books/NBK65746/" /><meta name="description" content="Laryngeal cancer treatment options depend on the location and extent of disease, often includes surgery and/or radiation, and sometimes chemotherapy. Get detailed information about the diagnosis and treatment of newly diagnosed and recurrent laryngeal cancer in this summary for clinicians." /><meta name="og:title" content="Laryngeal Cancer Treatment (PDQ®)" /><meta name="og:type" content="book" /><meta name="og:description" content="Laryngeal cancer treatment options depend on the location and extent of disease, often includes surgery and/or radiation, and sometimes chemotherapy. Get detailed information about the diagnosis and treatment of newly diagnosed and recurrent laryngeal cancer in this summary for clinicians." /><meta name="og:url" content="https://www.ncbi.nlm.nih.gov/books/NBK65746/" /><meta name="og:site_name" content="NCBI Bookshelf" /><meta name="og:image" content="https://www.ncbi.nlm.nih.gov/corehtml/pmc/pmcgifs/bookshelf/thumbs/th-pdqcis-lrg.png" /><meta name="twitter:card" content="summary" /><meta name="twitter:site" content="@ncbibooks" /><meta name="bk-non-canon-loc" content="/books/n/pdqcis/CDR0000062922/" /><link rel="canonical" href="https://www.ncbi.nlm.nih.gov/books/NBK65746/" /><link rel="stylesheet" href="/corehtml/pmc/css/figpopup.css" type="text/css" media="screen" /><link rel="stylesheet" href="/corehtml/pmc/css/bookshelf/2.26/css/books.min.css" type="text/css" /><link rel="stylesheet" href="/corehtml/pmc/css/bookshelf/2.26/css/books_print.min.css" type="text/css" /><style type="text/css">p a.figpopup{display:inline !important} .bk_tt {font-family: monospace} .first-line-outdent .bk_ref {display: inline} </style><script type="text/javascript" src="/corehtml/pmc/js/jquery.hoverIntent.min.js"> </script><script type="text/javascript" src="/corehtml/pmc/js/common.min.js?_=3.18"> </script><script type="text/javascript">window.name="mainwindow";</script><script type="text/javascript" src="/corehtml/pmc/js/bookshelf/2.26/book-toc.min.js"> </script><script type="text/javascript" src="/corehtml/pmc/js/bookshelf/2.26/books.min.js"> </script>
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<div class="pre-content"><div><div class="bk_prnt"><p class="small">NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.</p><p>PDQ Cancer Information Summaries [Internet]. Bethesda (MD): National Cancer Institute (US); 2002-. </p></div></div></div>
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<div class="main-content lit-style" itemscope="itemscope" itemtype="http://schema.org/CreativeWork"><div class="meta-content fm-sec"><h1 id="_NBK65746_"><span class="title" itemprop="name">Laryngeal Cancer Treatment (PDQ®)</span></h1><div class="subtitle whole_rhythm">Health Professional Version</div><p class="contrib-group"><h4>Authors</h4><span itemprop="author">PDQ Adult Treatment Editorial Board</span>.</p><p class="small">Published online: November 25, 2024.</p></div><div class="body-content whole_rhythm" itemprop="text"><div id="_abs_rndgid_" itemprop="description"><p id="CDR0000062922__431">This PDQ cancer information summary for health professionals provides comprehensive, peer-reviewed, evidence-based information about the treatment of adult laryngeal cancer. It is intended as a resource to inform and assist clinicians in the care of their patients. It does not provide formal guidelines or recommendations for making health care decisions.</p><p id="CDR0000062922__432">This summary is reviewed regularly and updated as necessary by the PDQ Adult Treatment Editorial Board, which is editorially independent of the National Cancer Institute (NCI). The summary reflects an independent review of the literature and does not represent a policy statement of NCI or the National Institutes of Health (NIH).</p></div><div id="CDR0000062922__1"><h2 id="_CDR0000062922__1_">General Information About Laryngeal Cancer</h2><div id="CDR0000062922__299"><h3>Incidence and Mortality</h3><p id="CDR0000062922__300">Estimated new cases and deaths from laryngeal cancer in the United States in 2024:[<a class="bk_pop" href="#CDR0000062922_rl_1_1">1</a>]</p><ul id="CDR0000062922__225"><li class="half_rhythm"><div>New cases: 12,650.</div></li><li class="half_rhythm"><div>Deaths: 3,880.</div></li></ul></div><div id="CDR0000062922__317"><h3>Anatomy</h3><p id="CDR0000062922__2">The larynx is divided into the following three anatomical regions: </p><ul id="CDR0000062922__283"><li class="half_rhythm"><div>The supraglottic larynx
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includes the epiglottis, false vocal cords, ventricles, aryepiglottic folds,
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and arytenoids.</div></li><li class="half_rhythm"><div>The glottis includes the true vocal cords and the anterior and
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posterior commissures.</div></li><li class="half_rhythm"><div>The subglottic region begins about 1 cm below
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the true vocal cords and extends to the lower border of the cricoid cartilage
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or the first tracheal ring.
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</div></li></ul><p id="CDR0000062922__3">The supraglottic area is rich in lymphatic drainage. After penetrating the
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pre-epiglottic space and thyrohyoid membrane, lymphatic drainage is initially
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to the jugulodigastric and midjugular nodes. About 25% to 50% of patients
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present with involved lymph nodes. The precise figure depends on the T (tumor) stage. The
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true vocal cords are devoid of lymphatics. As a result, vocal cord cancer
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confined to the true cords rarely, if ever, presents with involved lymph nodes.
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Extension above or below the cords may, however, lead to lymph node
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involvement. Primary subglottic cancers, which are quite rare, drain through
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the cricothyroid and cricotracheal membranes to the pretracheal, paratracheal,
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and inferior jugular nodes, and occasionally to mediastinal nodes.[<a class="bk_pop" href="#CDR0000062922_rl_1_2">2</a>]
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</p></div><div id="CDR0000062922__318"><h3>Risk Factors</h3><p id="CDR0000062922__4">There is a clear association among smoking, excess alcohol ingestion,
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and the development of squamous cell cancers of the upper aerodigestive
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tract.[<a class="bk_pop" href="#CDR0000062922_rl_1_3">3</a>] For smokers, the risk of laryngeal cancer decreases after they stop smoking but remains elevated, even years later, compared with that of nonsmokers.[<a class="bk_pop" href="#CDR0000062922_rl_1_4">4</a>] If a patient who has had a single cancer continues to smoke and drink
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alcoholic beverages, the likelihood of a cure for the initial cancer, by any
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modality, is diminished, and the risk of second tumor is enhanced. Because of clinical problems related to smoking and alcohol use in this
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population, many patients die of intercurrent illness rather than the
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primary cancer. </p></div><div id="CDR0000062922__320"><h3>Clinical Features</h3><p id="CDR0000062922__5">Supraglottic cancers typically present with sore throat, painful swallowing,
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referred ear pain, change in voice quality, or enlarged neck nodes. Early
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vocal cord cancers are usually detected because of hoarseness. By the time
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they are detected, cancers arising in the subglottic area commonly involve the
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vocal cords; thus, symptoms usually relate to contiguous spread.
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</p></div><div id="CDR0000062922__321"><h3>Prognostic Factors</h3><p id="CDR0000062922__6">The most important adverse prognostic factors for laryngeal cancers include
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increasing T stage and N (regional lymph node) stage. Other prognostic factors may include sex, age,
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performance status, and a variety of pathological features of the tumor,
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including grade and depth of invasion.[<a class="bk_pop" href="#CDR0000062922_rl_1_5">5</a>]
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</p><p id="CDR0000062922__7">Prognosis for small laryngeal cancers that have not spread to lymph nodes is
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very good. Cure rates are 75% to 95% depending on the site, tumor bulk,[<a class="bk_pop" href="#CDR0000062922_rl_1_6">6</a>]
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and degree of infiltration. Although most patients with early lesions can be cured by either
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radiation therapy or surgery, radiation therapy may be reasonable to preserve
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the voice, leaving surgery for salvage. Patients with a preradiation
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hemoglobin level higher than 13 g/dL have higher local control
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and survival rates than patients who are anemic.[<a class="bk_pop" href="#CDR0000062922_rl_1_7">7</a>] </p><p id="CDR0000062922__8">Locally advanced lesions are treated with combined modality treatment involving radiation and chemotherapy with or without surgery. The aim is laryngeal preservation in appropriately selected candidates.[<a class="bk_pop" href="#CDR0000062922_rl_1_8">8</a>] Distant metastases are also common, even if the primary
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tumor is controlled.
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</p><p id="CDR0000062922__9">Intermediate lesions have intermediate prognoses, depending on the site, T stage,
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N stage, and performance status. Therapy recommendations for patients with
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these lesions are based on a variety of complex anatomical, clinical, and social
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factors, which should be individualized and discussed in multidisciplinary
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consultation (surgery, radiation therapy, and dental and oral surgery) prior to
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prescribing therapy.
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</p></div><div id="CDR0000062922__333"><h3>Follow-Up and Survivorship</h3><p id="CDR0000062922__334">Second
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primary tumors, often in the aerodigestive tract, have been reported in as many as
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25% of patients whose initial lesion is controlled. A study has shown that
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daily treatment of these patients with moderate doses of isotretinoin
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(i.e., 13-cis-retinoic acid) for 1 year can significantly reduce the incidence of
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second tumors.[<a class="bk_pop" href="#CDR0000062922_rl_1_9">9</a>] No survival advantage has been demonstrated, partially because of recurrence and death from the primary malignancy.</p><p id="CDR0000062922__335">Patients treated for laryngeal cancers are at the highest risk of recurrence in the
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first 2 to 3 years. Recurrences after 5 years are rare and usually represent
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new primary malignancies. Close, regular follow-up is crucial to maximize the
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chance for salvage. Follow-up includes careful clinical examination and repetition of any
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abnormal staging study, along with attention to any
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treatment-related toxic effect or complication.
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</p></div><div id="CDR0000062922_rl_1"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_1_1">American Cancer Society: Cancer Facts and Figures 2024. American Cancer Society, 2024. <a href="https://www.cancer.org/content/dam/cancer-org/research/cancer-facts-and-statistics/annual-cancer-facts-and-figures/2024/2024-cancer-facts-and-figures-acs.pdf" ref="pagearea=cite-ref&targetsite=external&targetcat=link&targettype=uri">Available online</a>. Last accessed December 30, 2024.</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_2">Spaulding CA, Hahn SS, Constable WC: The effectiveness of treatment of lymph nodes in cancers of the pyriform sinus and supraglottis. Int J Radiat Oncol Biol Phys 13 (7): 963-8, 1987. [<a href="https://pubmed.ncbi.nlm.nih.gov/3597159" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 3597159</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_3">Spitz MR: Epidemiology and risk factors for head and neck cancer. Semin Oncol 21 (3): 281-8, 1994. [<a href="https://pubmed.ncbi.nlm.nih.gov/8209260" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8209260</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_4">Bosetti C, Garavello W, Gallus S, et al.: Effects of smoking cessation on the risk of laryngeal cancer: an overview of published studies. Oral Oncol 42 (9): 866-72, 2006. [<a href="https://pubmed.ncbi.nlm.nih.gov/16931120" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 16931120</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_5">Yilmaz T, Hoşal S, Gedikoglu G, et al.: Prognostic significance of depth of invasion in cancer of the larynx. Laryngoscope 108 (5): 764-8, 1998. [<a href="https://pubmed.ncbi.nlm.nih.gov/9591560" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 9591560</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_6">Reddy SP, Mohideen N, Marra S, et al.: Effect of tumor bulk on local control and survival of patients with T1 glottic cancer. Radiother Oncol 47 (2): 161-6, 1998. [<a href="https://pubmed.ncbi.nlm.nih.gov/9683364" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 9683364</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_7">Fein DA, Lee WR, Hanlon AL, et al.: Pretreatment hemoglobin level influences local control and survival of T1-T2 squamous cell carcinomas of the glottic larynx. J Clin Oncol 13 (8): 2077-83, 1995. [<a href="https://pubmed.ncbi.nlm.nih.gov/7636551" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 7636551</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_8">Forastiere AA, Zhang Q, Weber RS, et al.: Long-term results of RTOG 91-11: a comparison of three nonsurgical treatment strategies to preserve the larynx in patients with locally advanced larynx cancer. J Clin Oncol 31 (7): 845-52, 2013. [<a href="/pmc/articles/PMC3577950/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3577950</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/23182993" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23182993</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_1_9">Hong WK, Lippman SM, Itri LM, et al.: Prevention of second primary tumors with isotretinoin in squamous-cell carcinoma of the head and neck. N Engl J Med 323 (12): 795-801, 1990. [<a href="https://pubmed.ncbi.nlm.nih.gov/2202902" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 2202902</span></a>]</div></li></ol></div></div><div id="CDR0000062922__11"><h2 id="_CDR0000062922__11_">Cellular Classification of Laryngeal Cancer</h2><p id="CDR0000062922__12">Most laryngeal cancers are of squamous cell histology.
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Squamous cell subtypes include keratinizing and nonkeratinizing and well-differentiated to poorly differentiated grade. A variety of nonsquamous cell
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laryngeal cancers also occur.[<a class="bk_pop" href="#CDR0000062922_rl_11_1">1</a>] These are not staged using the American Joint
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Cancer Committee staging system, and their management, which is not discussed here, can
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differ from that of squamous cell laryngeal cancers. <i>In situ</i> squamous cell
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carcinoma of the larynx is usually managed by a conservative surgical procedure
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such as mucosal stripping or superficial laser excision. Radiation therapy may
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also be appropriate treatment of selected patients with <i>in situ</i> carcinoma of
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the glottic larynx.
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</p><div id="CDR0000062922_rl_11"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_11_1">Mendenhall WM, Werning JW, Pfister DG: Treatment of head and neck cancer. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Lippincott Williams & Wilkins, 2011, pp 729-80.</div></li></ol></div></div><div id="CDR0000062922__13"><h2 id="_CDR0000062922__13_">Stage Information for Laryngeal Cancer</h2><p id="CDR0000062922__14">The staging system for laryngeal cancer is clinical and based on the best possible estimate of the
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extent of disease before treatment. The assessment of the primary tumor is
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based on inspection and palpation, when possible, and by fiberoptic laryngoscopy. Panendoscopy under anesthesia ensures careful clinical examination to determine clinical extent of local disease. The tumor must be confirmed
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histologically, and any other pathological data obtained on biopsy may be
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included. Head and neck magnetic resonance imaging, computed tomography, or positron emission tomography-computed tomography
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should be done before therapy to supplement inspection and palpation.[<a class="bk_pop" href="#CDR0000062922_rl_13_1">1</a>]
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Additional radiographic studies may be included. The appropriate nodal
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drainage areas in the neck should be examined by careful palpation.
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</p><div id="CDR0000062922__280"><h3>Definitions of TNM</h3><p id="CDR0000062922__261">The American Joint Committee on Cancer (AJCC) has designated staging by TNM
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(tumor, node, metastasis) classification to define laryngeal cancer.[<a class="bk_pop" href="#CDR0000062922_rl_13_2">2</a>]</p><div id="CDR0000062922__578" class="table"><h3><span class="title">Table 1. Definition of Supraglottis, Glottis, and Subglottis Primary Tumor (T) for Laryngeal Cancer<sup>a,b</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__578/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__578_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">T Category</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">T Criteria</th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="vertical-align:top;">TX</td><td colspan="1" rowspan="1" style="vertical-align:top;">Primary tumor cannot be assessed.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">Tis</td><td colspan="1" rowspan="1" style="vertical-align:top;">Carcinoma <i>in situ</i>.</td></tr><tr><td colspan="2" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Supraglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T1</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to one subsite of supraglottis with normal vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T2</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor invades mucosa of more than one adjacent subsite of supraglottis or glottis or region outside the supraglottis (e.g., mucosa of the base of the tongue, vallecula, medial wall of pyriform sinus) without fixation of the larynx.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T3</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to larynx with vocal cord fixation and/or invades any of the following: postcricoid area, pre-epiglottic space, paraglottic space, and/or inner cortex of thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T4</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Moderately advanced or very advanced.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a </td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4b</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures.</td></tr><tr><td colspan="2" rowspan="1" style="text-align:left;vertical-align:top;">
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<i>
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<b>Glottis</b>
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</i>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T1</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to the vocal cord(s) (may involve anterior or posterior commissure) with normal mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T1a</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to one vocal cord.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T1b</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor involves both vocal cords.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T2</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor extends to supraglottis and/or subglottis, and/or with impaired vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T3</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T4</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Moderately advanced or very advanced.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, cricoid cartilage, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4b</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures.</td></tr><tr><td colspan="2" rowspan="1" style="text-align:left;vertical-align:top;">
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<i>
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<b>Subglottis</b>
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</i>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T1</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to the subglottis.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T2</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor extends to vocal cord(s) with normal or impaired mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T3</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T4</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Moderately advanced or very advanced.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Moderately advanced local disease. Tumor invades cricoid or thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of the neck including deep extrinsic muscles of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4b</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div><div id="CDR0000062922__579" class="table"><h3><span class="title">Table 2. Definition of Clinical (cN) Regional Lymph Nodes (N) for Laryngeal Cancer <sup>a,b</sup>
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</span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__579/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__579_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">N Category</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">N Criteria</th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="vertical-align:top;">NX</td><td colspan="1" rowspan="1" style="vertical-align:top;">Regional lymph nodes cannot be assessed.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N0</td><td colspan="1" rowspan="1" style="vertical-align:top;">No regional lymph node metastasis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N1</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral lymph node ≤3 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N2</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral node, >3 cm but not >6 cm in greatest dimension and ENE(–); <i>or</i> metastases in multiple ipsilateral lymph nodes, none >6 cm in greatest dimension and ENE(–); <i>or</i> metastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N2a</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral node >3 cm but not >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N2b</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastases in multiple ipsilateral nodes, none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N2c</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N3</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a lymph node >6 cm in greatest dimension and ENE(–); <i>or</i> metastasis in any lymph nodes(s) with clinically overt ENE(+).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N3a</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a lymph node >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N3b</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in any lymph node(s) with clinically overt ENE(+).</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">ENE = extranodal extension.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>b</sup>A designation of "U" or "L" may be used for any N category to indicate metastasis above the lower border of the cricoid (U) or below the lower border of the cricoid (L). Similarly, clinical and pathological ENE should be recorded as ENE(–) or ENE(+).</p></div></dd></dl></div></div></div><div id="CDR0000062922__580" class="table"><h3><span class="title">Table 3. Definition of Pathological (pN) Regional Lymph Nodes (N) for Laryngeal Cancer<sup>a,b</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__580/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__580_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">N Category</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">N Criteria</th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="vertical-align:top;">NX</td><td colspan="1" rowspan="1" style="vertical-align:top;">Regional lymph nodes cannot be assessed.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N0</td><td colspan="1" rowspan="1" style="vertical-align:top;">No regional lymph node metastasis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N1</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral lymph node ≤3 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N2</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral lymph node, ≤3 cm in greatest dimension and ENE(+); <i>or</i> metastasis in a single ipsilateral lymph node, >3 cm but not >6 cm in greatest dimension and ENE(–); <i>or</i> metastases in multiple ipsilateral lymph nodes, none >6 cm in greatest dimension and ENE(–); <i>or</i> metastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N2a</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral node ≤3 cm in greatest dimension and ENE(+); <i>or</i> metastasis in a single ipsilateral node >3 cm but not >6 cm in greatest dimension and ENE.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N2b</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastases in multiple ipsilateral nodes, none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N2c</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastases in bilateral or contralateral lymph node(s), none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N3</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a lymph node >6 cm in greatest dimension and ENE(–); <i>or</i> metastasis in a single ipsilateral node >3 cm in greatest dimension and ENE(+); <i>or</i> metastases in multiple ipsilateral, contralateral, or bilateral lymph nodes and any with ENE(+); <i>or</i> a single contralateral node of any size and ENE(+).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N3a</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a lymph node, >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–N3b</td><td colspan="1" rowspan="1" style="vertical-align:top;">Metastasis in a single ipsilateral node >3 cm in greatest dimension and ENE(+); <i>or</i> metastases in multiple ipsilateral, contralateral, or bilateral nodes and any with ENE(+); or a single contralateral node of any size and ENE(+).</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">ENE = extranodal extension.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>b</sup>A designation of "U" or "L" may be used for any N category to indicate metastasis above the lower border of the cricoid (U) or below the lower border of the cricoid (L). Similarly, clinical and pathological ENE should be recorded as ENE(–) or ENE(+).</p></div></dd></dl></div></div></div><div id="CDR0000062922__254" class="table"><h3><span class="title">Table 4. Definition of Distant Metastasis (M) for Laryngeal Cancer<sup>a</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__254/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__254_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="vertical-align:top;">M Category</th><th colspan="1" rowspan="1" style="vertical-align:top;">M Criteria</th></tr></thead><tbody><tr><td colspan="1" rowspan="1" style="vertical-align:top;">M0</td><td colspan="1" rowspan="1" style="vertical-align:top;">No distant metastasis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">M1</td><td colspan="1" rowspan="1" style="vertical-align:top;">Distant metastasis.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div><p id="CDR0000062922__582">
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<b>AJCC Prognostic Stage Groups</b>
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</p><div id="CDR0000062922__581" class="table"><h3><span class="title">Table 5. Definition of TNM Stage 0<sup>a</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__581/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__581_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Stage</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">TNM</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Description</th></tr></thead><tbody><tr><td colspan="1" rowspan="3" style="vertical-align:top;">0</td><td colspan="1" rowspan="3" style="vertical-align:top;">Tis, N0, M0</td><td colspan="1" rowspan="1" style="vertical-align:top;">Tis = Carcinoma <i>in situ</i>.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N0 (cN and pN) = No regional lymph node metastasis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">M0 = No distant metastasis.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">T = primary tumor; N = regional lymph node; M = metastasis.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div><div id="CDR0000062922__583" class="table"><h3><span class="title">Table 6. Definition of TNM Stage I<sup>a</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__583/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__583_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Stage</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">TNM</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Description</th></tr></thead><tbody><tr><td colspan="1" rowspan="10" style="vertical-align:top;">I</td><td colspan="1" rowspan="10" style="vertical-align:top;">T1, N0, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Supraglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1 = Tumor limited to one subsite of supraglottis with normal vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Glottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1 = Tumor limited to the vocal cord(s) (may involve anterior or posterior commissure) with normal mobility.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–T1a = Tumor limited to one vocal cord.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">–T1b = Tumor involves both vocal cords.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Subglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1 = Tumor limited to the subglottis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N0 (cN and pN) = No regional lymph node metastasis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">M0 = No distant metastasis.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">T = primary tumor; N = regional lymph node; M = metastasis; cN = clinical N; pN = pathological N.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div><div id="CDR0000062922__584" class="table"><h3><span class="title">Table 7. Definition of TNM Stage II<sup>a</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__584/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__584_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Stage</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">TNM</th><th colspan="2" rowspan="1" style="text-align:center;vertical-align:top;">Description</th></tr></thead><tbody><tr><td colspan="1" rowspan="8" style="vertical-align:top;">II</td><td colspan="1" rowspan="8" style="vertical-align:top;">T2, N0, M0</td><td colspan="2" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Supraglottis</i>
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</b>
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</td></tr><tr><td colspan="2" rowspan="1" style="vertical-align:top;">T2 = Tumor invades mucosa of more than one adjacent subsite of supraglottis or glottis or region outside the supraglottis (e.g., mucosa of the base of the tongue, vallecula, medial wall of pyriform sinus) without fixation of the larynx.</td></tr><tr><td colspan="2" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Glottis</i>
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</b>
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</td></tr><tr><td colspan="2" rowspan="1" style="vertical-align:top;">T2 = Tumor extends to supraglottis and/or subglottis, and/or with impaired vocal cord mobility.</td></tr><tr><td colspan="2" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Subglottis</i>
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</b>
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</td></tr><tr><td colspan="2" rowspan="1" style="vertical-align:top;">T2 = Tumor extends to vocal cord(s) with normal or impaired mobility.</td></tr><tr><td colspan="2" rowspan="1" style="vertical-align:top;">N0 (cN and pN) = No regional lymph node metastasis.</td></tr><tr><td colspan="2" rowspan="1" style="vertical-align:top;">M0 = No distant metastasis.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">T = primary tumor; N = regional lymph node; M = metastasis; cN = clinical N; pN = pathological N.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div><div id="CDR0000062922__585" class="table"><h3><span class="title">Table 8. Definition of TNM Stage III<sup>a</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__585/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__585_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Stage</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">TNM</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Description</th></tr></thead><tbody><tr><td colspan="1" rowspan="24" style="vertical-align:top;">III</td><td colspan="1" rowspan="8" style="vertical-align:top;">T3, N0, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Supraglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T3 = Tumor limited to larynx with vocal cord fixation and/or invades any of the following: postcricoid area, pre-epiglottic space, paraglottic space, and/or inner cortex of thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Glottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T3 = Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Subglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T3 = Tumor limited to larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N0 (cN or pN) = No regional lymph node metastasis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">M0 = No distant metastasis.</td></tr><tr><td colspan="1" rowspan="16" style="vertical-align:top;">T1, T2, T3, N1, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Supraglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1 = Tumor limited to one subsite of supraglottis with normal vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T2 = Tumor invades mucosa of more than one adjacent subsite of supraglottis or glottis or region outside the supraglottis (e.g., mucosa of the base of the tongue, vallecula, medial wall of pyriform sinus) without fixation of the larynx.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T3 = Tumor limited to larynx with vocal cord fixation and/or invades any of the following: postcricoid area, pre-epiglottic space, paraglottic space, and/or inner cortex of thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Glottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1 = Tumor limited to the vocal cord(s) (may involve anterior or posterior commissure) with normal mobility.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1a = Tumor limited to one vocal cord.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1b = Tumor involves both vocal cords. </td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T2 = Tumor extends to supraglottis and/or subglottis, and/or with impaired vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T3 = Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Subglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T1 = Tumor limited to the subglottis.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T2 = Tumor extends to vocal cord(s) with normal or impaired mobility.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">T3 = Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">N1 (cN or pN) = Metastasis in a single ipsilateral node, ≤3 cm in greatest dimension and ENE (–).</td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:top;">M0 = No distant metastasis.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">T = primary tumor; N = regional lymph node; M = metastasis; cN = clinical N; ENE = extranodal extension; pN = pathological N. </p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div><div id="CDR0000062922__586" class="table"><h3><span class="title">Table 9. Definition of TNM Stage IVA, IVB, and IVC<sup>a</sup></span></h3><p class="large-table-link" style="display:none"><span class="right"><a href="/books/NBK65746/table/CDR0000062922__586/?report=objectonly" target="object">View in own window</a></span></p><div class="large_tbl" id="__CDR0000062922__586_lrgtbl__"><table class="no_margin"><thead><tr><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Stage</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">TNM</th><th colspan="1" rowspan="1" style="text-align:center;vertical-align:top;">Description</th></tr></thead><tbody><tr><td colspan="1" rowspan="35" style="vertical-align:top;">IVA</td><td colspan="1" rowspan="9" style="vertical-align:top;">T4a, N0, N1, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Supraglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a = Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Glottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a = Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, cricoid cartilage, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Subglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a = Moderately advanced local disease. Tumor invades cricoid or thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of the neck including deep extrinsic muscles of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">N0 (cN and pN) = Metastasis in a single ipsilateral node, ≤3 cm in greatest dimension and ENE (–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">N1 (cN and pN) = Metastasis in a single ipsilateral node, ≤3 cm in greatest dimension and ENE (–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">M0 = No distant metastasis.</td></tr><tr><td colspan="1" rowspan="26" style="vertical-align:top;">T1, T2, T3, T4a, N2, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;"><b><i>Supraglottis</i></b>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T1 = Tumor limited to one subsite of supraglottis with normal vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T2 = Tumor invades mucosa of more than one adjacent subsite of supraglottis or glottis or region outside the supraglottis (e.g., mucosa of the base of the tongue, vallecula, medial wall of pyriform sinus) without fixation of the larynx.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T3 = Tumor limited to larynx with vocal cord fixation and/or invades any of the following: postcricoid area, pre-epiglottic space, paraglottic space, and/or inner cortex of thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a = Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<i>
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<b>Glottis</b>
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</i>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T1 = Tumor limited to the vocal cord(s) (may involve anterior or posterior commissure) with normal mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T1a = Tumor limited to one vocal cord.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T1b = Tumor involves both vocal cords.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T2 = Tumor extends to supraglottis and/or subglottis, and/or with impaired vocal cord mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T3 = Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a = Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, cricoid cartilage, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<b>
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<i>Subglottis</i>
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</b>
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</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T1 = Tumor limited to the subglottis.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T2 = Tumor extends to vocal cord(s) with normal or impaired mobility.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">T3 = Tumor limited to the larynx with vocal cord fixation and/or invasion of paraglottic space and/or inner cortex of the thyroid cartilage.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4a = Moderately advanced local disease. Tumor invades through the outer cortex of the thyroid cartilage and/or invades tissues beyond the larynx (e.g., trachea, cricoid cartilage, soft tissues of the neck including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">cN2 = Metastasis in a single ipsilateral node >3 cm but not >6 cm in greatest dimension and ENE(–); or metastases in multiple ipsilateral lymph nodes, none >6 cm in greatest dimension and ENE(–); or metastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension and ENE(–). </td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">‒cN2a = Metastasis in a single ipsilateral node, larger than 3 cm but not larger than 6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">‒cN2b = Metastases in multiple ipsilateral nodes, none larger than 6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">‒cN2c = Metastasis in bilateral of contralateral lymph nodes, none larger than 6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">pN2 = Metastasis in a single ipsilateral lymph node, ≤3 cm in greatest dimension and ENE(+); <i>or</i> metastasis in a single ipsilateral lymph node >3 cm but not >6 cm in greatest dimension and ENE(–); <i>or</i> metastases in multiple ipsilateral lymph nodes, none >6 cm in greatest dimension and ENE(–); <i>or</i> metastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">‒pN2a = Metastasis in a single ipsilateral or contralateral node, 3 cm or smaller in greatest dimension and ENE(+); <i>or</i> metastasis in a single ipsilateral node, larger than 3 cm but not larger than 6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">‒pN2b = Metastases in multiple ipsilateral nodes, none larger than 6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">‒pN2c = Metastasis in bilateral or contralateral lymph nodes, none larger than 6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">M0 = No distant metastasis.</td></tr><tr><td colspan="1" rowspan="16" style="vertical-align:top;">IVB</td><td colspan="1" rowspan="8" style="vertical-align:top;">Any T, N3, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Any T = See Table <a href="/books/NBK65746/table/CDR0000062922__578/?report=objectonly" target="object" rid-ob="figobCDR0000062922578">1</a>.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">cN3 = Metastasis in a lymph node >6 cm in greatest dimension and ENE(–); <i>or</i> metastasis in any lymph node(s) with clinically overt ENE(+).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–cN3a = Metastasis in a lymph node >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–cN3b = Metastasis in any lymph node(s) with clinically overt ENE(+).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">pN3 = Metastasis in a lymph node >6 cm in greatest dimension and ENE(–); <i>or</i> metastasis in a single ipsilateral node >3 cm in greatest dimension and ENE(+); <i>or</i> metastases in multiple ipsilateral, contralateral, or bilateral lymph nodes and any with ENE(+).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–pN3a = Metastasis in a lymph mode >6 cm in greatest dimension and ENE(–).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–pN3b = Metastasis in a single ipsilateral node >3 cm in greatest dimension and ENE(+); <i>or</i> metastases in multiple ipsilateral, contralateral, or bilateral lymph nodes and any with ENE(+).</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">M0 = No distant metastasis.</td></tr><tr><td colspan="1" rowspan="8" style="vertical-align:top;">T4b, Any N, M0</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
|
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<i>
|
|
<b>Supraglottis</b>
|
|
</i>
|
|
</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4b = Very advanced local disease. Tumor invades prevertebral space, encases carotid artery or invades mediastinal structures.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
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<i>
|
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<b>Glottis</b>
|
|
</i>
|
|
</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4b = Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">
|
|
<i>
|
|
<b>Subglottis</b>
|
|
</i>
|
|
</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">–T4b = Very advanced local disease. Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Any N = See Table <a href="/books/NBK65746/table/CDR0000062922__579/?report=objectonly" target="object" rid-ob="figobCDR0000062922579">2</a> and Table <a href="/books/NBK65746/table/CDR0000062922__580/?report=objectonly" target="object" rid-ob="figobCDR0000062922580">3</a>. </td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">M0 = No distant metastasis.</td></tr><tr><td colspan="1" rowspan="3" style="vertical-align:top;">IVC</td><td colspan="1" rowspan="3" style="vertical-align:top;">Any T, Any N, M1</td><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Any T = See Table <a href="/books/NBK65746/table/CDR0000062922__578/?report=objectonly" target="object" rid-ob="figobCDR0000062922578">1</a>.</td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">Any N = See Table <a href="/books/NBK65746/table/CDR0000062922__579/?report=objectonly" target="object" rid-ob="figobCDR0000062922579">2</a> and Table <a href="/books/NBK65746/table/CDR0000062922__580/?report=objectonly" target="object" rid-ob="figobCDR0000062922580">3</a>. </td></tr><tr><td colspan="1" rowspan="1" style="text-align:left;vertical-align:top;">M1 = Distant metastasis.</td></tr></tbody></table></div><div><div><dl class="temp-labeled-list small"><dt></dt><dd><div><p class="no_margin">T = primary tumor; N = regional lymph node; M = metastasis; cN = clinical N; ENE = extranodal extension; pN = pathological N.</p></div></dd><dt></dt><dd><div><p class="no_margin"><sup>a</sup>Reprinted with permission from AJCC: Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: <i>AJCC Cancer Staging Manual</i>. 8th ed. New York, NY: Springer, 2017, pp 149–61.</p></div></dd></dl></div></div></div></div><div id="CDR0000062922_rl_13"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_13_1">Thabet HM, Sessions DG, Gado MH, et al.: Comparison of clinical evaluation and computed tomographic diagnostic accuracy for tumors of the larynx and hypopharynx. Laryngoscope 106 (5 Pt 1): 589-94, 1996. [<a href="https://pubmed.ncbi.nlm.nih.gov/8628086" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8628086</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_13_2">Larynx. In: Amin MB, Edge SB, Greene FL, et al., eds.: AJCC Cancer Staging Manual. 8th ed. Springer; 2017, pp 149-61.</div></li></ol></div></div><div id="CDR0000062922__66"><h2 id="_CDR0000062922__66_">Treatment Option Overview for Laryngeal Cancer</h2><div id="CDR0000062922__518"><h3>Surgery and/or Radiation Therapy</h3><p id="CDR0000062922__519">Surgery and radiation therapy have been the standards for treatment of laryngeal cancer. However, outcome data from randomized trials are limited. Studies have attempted to evaluate the use of surgery or radiation but have been underpowered.[<a class="bk_pop" href="#CDR0000062922_rl_66_1">1</a>] Selection of primary surgery versus radiation therapy–based treatment should be made in a multidisciplinary setting with consideration of disease stage, comorbidities, and functional status, including voice and swallowing outcomes and lung capacity. </p><p id="CDR0000062922__520">Small superficial cancers without laryngeal fixation or lymph node involvement
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are successfully treated by radiation therapy or surgery alone, including laser
|
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excision surgery. Radiation therapy may be selected to preserve the voice
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and to reserve surgery for salvaging failures. The radiation field and dose are
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determined by the location and size of the primary tumor. A variety of
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curative surgical procedures are also recommended for laryngeal cancers, some
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of which preserve vocal function. An appropriate surgical procedure must be
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considered for each patient, given the anatomical problem, performance status,
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and clinical expertise of the treatment team. Advanced laryngeal cancers are
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often treated by combining radiation with concurrent chemotherapy for larynx preservation and total laryngectomy for bulky T4 disease or salvage.[<a class="bk_pop" href="#CDR0000062922_rl_66_2">2</a>-<a class="bk_pop" href="#CDR0000062922_rl_66_4">4</a>]</p><p id="CDR0000062922__521">Evaluation of treatment outcome can be reported in various ways: locoregional
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control, disease-free survival, determinate survival, and overall survival (OS) at 2
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to 5 years. Preservation of voice is an important parameter to evaluate.
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Outcome should be reported after initial surgery, initial radiation, planned
|
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combined treatment, or surgical salvage of radiation failures. Primary source
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material should be consulted to review these differences.</p><p id="CDR0000062922__522">A review of published clinical
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results of definitive radiation therapy for head and neck cancer suggests a
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significant loss of local control when the administration of radiation therapy
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was prolonged. Therefore, extending standard treatment schedules should be
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avoided whenever possible.[<a class="bk_pop" href="#CDR0000062922_rl_66_5">5</a>,<a class="bk_pop" href="#CDR0000062922_rl_66_6">6</a>]</p><p id="CDR0000062922__523">Radiation therapy has not been directly compared with endolaryngeal surgery (with or without laser) for the treatment of patients with early-stage laryngeal cancer. The evidence is insufficient to show a clear difference in local control or OS for these two treatment options. Retrospective data suggest that, compared with surgery, radiation therapy might cause less perturbation of voice quality without a significant difference in patient perception.[<a class="bk_pop" href="#CDR0000062922_rl_66_7">7</a>]</p></div><div id="CDR0000062922__547"><h3>Concurrent Chemoradiation Therapy</h3><p id="CDR0000062922__548">Concurrent chemoradiation therapy is a standard treatment option for patients with locally advanced (stage III and stage IV) laryngeal cancer.</p><p id="CDR0000062922__549">Evidence (concurrent chemoradiation therapy):</p><ol id="CDR0000062922__550"><li class="half_rhythm"><div>A meta-analysis of 93 randomized prospective head and neck cancer trials published between 1965 and
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2000 showed the following:[<a class="bk_pop" href="#CDR0000062922_rl_66_8">8</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810033/" class="def">Level of evidence B4</a>]<ul id="CDR0000062922__551"><li class="half_rhythm"><div>The subset of patients
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receiving chemotherapy and radiation therapy had a 4.5% absolute survival advantage.</div></li><li class="half_rhythm"><div> Patients who received concurrent chemotherapy had a greater survival benefit than those who received neoadjuvant chemotherapy.</div></li></ul></div></li><li class="half_rhythm"><div>In a randomized trial of patients with locally advanced head and neck cancer, curative-intent radiation therapy alone (213 patients) was compared with radiation therapy plus weekly cetuximab (211 patients).[<a class="bk_pop" href="#CDR0000062922_rl_66_9">9</a>] The initial dose of cetuximab was 400 mg/m<sup>2</sup> of body-surface area 1 week before radiation therapy was started, followed by a weekly dose of 250 mg/m<sup>2</sup> of body-surface area for the duration of the radiation therapy. This study allowed altered-fractionation regimens to be used in both arms.[<a class="bk_pop" href="#CDR0000062922_rl_66_9">9</a>,<a class="bk_pop" href="#CDR0000062922_rl_66_10">10</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]<ul id="CDR0000062922__552"><li class="half_rhythm"><div>At a median follow-up of 54 months, patients treated with cetuximab and radiation therapy demonstrated significantly higher progression-free survival (PFS) (hazard ratio [HR] for disease progression or death, 0.70; <i>P</i> = .006).</div></li><li class="half_rhythm"><div>Patients in the cetuximab arm experienced higher rates of acneiform rash and infusion reactions, although the incidence of other grade 3 or higher toxicities, including mucositis, did not differ significantly between the two groups.</div></li></ul></div></li></ol><p id="CDR0000062922__553">For more information about oral toxicities, see <a href="/books/n/pdqcis/CDR0000062870/">Oral Complications of Cancer Therapies</a>.</p></div><div id="CDR0000062922__554"><h3>Neoadjuvant Chemotherapy Followed by Concurrent Chemoradiation Therapy</h3><p id="CDR0000062922__640">In a meta-analysis of five randomized trials, a total of 1,022 patients with locally advanced head and neck squamous cell cancer were randomly assigned to receive either neoadjuvant chemotherapy with TPF (docetaxel, cisplatin, and fluorouracil [5-FU]) followed by concurrent chemoradiation therapy or concurrent chemoradiation therapy alone. The analysis failed to show an OS (HR, 1.01; 95% confidence limits [CLs], 0.84–1.21; <i>P</i> = .92) or PFS (HR, 0.91; 95% CLs, 0.75–1.1; <i>P</i> = .32) advantage for neoadjuvant chemotherapy using the TPF regimen over concurrent chemoradiation therapy alone.[<a class="bk_pop" href="#CDR0000062922_rl_66_11">11</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]</p><p id="CDR0000062922__641">Evidence (neoadjuvant chemotherapy followed by concurrent chemoradiation therapy):</p><ol id="CDR0000062922__642"><li class="half_rhythm"><div>The Department of Veterans Affairs (VA) Laryngeal Cancer Study Group directly compared chemotherapy followed by radiation therapy versus up-front surgery with postoperative radiation therapy. A total of 332 patients were randomly assigned to either three cycles of chemotherapy (cisplatin and 5-FU) and radiation therapy or surgery and radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_66_12">12</a>]<ul id="CDR0000062922__643"><li class="half_rhythm"><div>After two cycles of chemotherapy, the clinical tumor response was complete in 31% of the patients, and there was a partial response in 54% of the patients. Survival was similar in both arms; however, larynx preservation was possible in 64% of the patients in the chemotherapy-followed-by-radiation therapy arm.</div></li></ul></div></li><li class="half_rhythm"><div>The VA study was followed by a randomized study, <a href="https://www.cancer.gov/clinicaltrials/NCT00002496" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">RTOG 9111</a> (<a href="https://clinicaltrials.gov/show/NCT00002496" title="Study NCT00002496" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT00002496</a>), in which the laryngeal preservation arm of the VA study was compared with the concurrent chemoradiation therapy and radiation therapy-alone arms. The primary end point was laryngectomy-free survival.[<a class="bk_pop" href="#CDR0000062922_rl_66_4">4</a>] RTOG 9111 evaluated 547 patients with locally advanced laryngeal cancer who were enrolled between August 1992 and May 2000, with a median follow-up for surviving patients of 10.8 years (range, 0.07–17 years). Three regimens were compared, including neoadjuvant chemotherapy plus radiation therapy, concurrent chemoradiation therapy, and radiation therapy alone. <ul id="CDR0000062922__644"><li class="half_rhythm"><div>Both chemotherapy regimens improved laryngectomy-free survival compared with radiation therapy alone (neoadjuvant chemotherapy vs. radiation therapy alone, HR, 0.75; 95% confidence interval [CI], 0.59–0.95; <i>P </i>= .02; concurrent chemotherapy vs. radiation therapy alone, HR, 0.78; 95% CI, 0.78–0.98; <i>P</i> = .03).</div></li><li class="half_rhythm"><div>Concurrent radiation therapy plus cisplatin resulted in a statistically significantly higher percentage of patients with an intact larynx at 10 years (67.5% for patients who had neoadjuvant chemotherapy; 81.7% for patients who had concurrent chemotherapy; and 63.8% for patients who received radiation therapy alone); 80% of laryngectomies were performed during the first 2 years (84 laryngectomies during year 1 and 35 laryngectomies during year 2).</div></li><li class="half_rhythm"><div>Concurrent cisplatin with radiation therapy resulted in a 41% reduction in risk of locoregional failure compared with radiation therapy alone (HR, 0.59; 95% CI, 0.43–0.82; <i>P</i> = .0015) and a 34% reduction in risk compared with neoadjuvant chemotherapy (HR, 0.66; 95% CI, 0.48–0.92; <i>P</i> = .004). Both chemotherapy regimens had a lower incidence of distant metastases, although this did not reach statistical significance compared with radiation therapy alone.
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</div></li><li class="half_rhythm"><div>The 10-year cumulative rates of late toxicity (grades 3–5) were 30.6% for neoadjuvant chemotherapy, 33.3% for concurrent chemotherapy, and 38% for radiation therapy alone, and were not significantly different between the arms.
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</div></li><li class="half_rhythm"><div>OS was not significantly different between the groups, although there was possibly a worse outcome in the concurrent groups compared with the neoadjuvant chemotherapy group (HR, 1.25; 95% CI, 0.98–1.61; <i>P</i> = .08). The OS rates were 58% (5 year) and 39% (10 year) for neoadjuvant chemotherapy, 55% (5 year) and 28% (10 year) for concurrent chemoradiation therapy, and 54% (5 year) and 32% (10 year) for radiation therapy alone. </div></li><li class="half_rhythm"><div>The number of deaths not attributed to larynx cancer or treatment were higher with concurrent chemotherapy (30.8% vs. 20.8% with neoadjuvant chemotherapy and 16.9% with radiation alone), because after approximately 4.5 years, the survival curves began to separate and favor neoadjuvant chemotherapy, although the difference was not statistically significant.</div></li></ul></div></li></ol><div id="CDR0000062922__718"><h4>Fluorouracil dosing</h4><p id="CDR0000062922__sm_CDR0000813769_4"><div class="milestone-start" id="CDR0000062922__sm_CDR0000813769_3"></div>The <i>DPYD</i> gene encodes an enzyme that catabolizes pyrimidines and fluoropyrimidines, like capecitabine and fluorouracil. An estimated 1% to 2% of the population has germline pathogenic variants in <i>DPYD</i>, which lead to reduced DPD protein function and an accumulation of pyrimidines and fluoropyrimidines in the body.[<a class="bk_pop" href="#CDR0000062922_rl_66_13">13</a>,<a class="bk_pop" href="#CDR0000062922_rl_66_14">14</a>] Patients with the <i>DPYD*2A</i> variant who receive fluoropyrimidines may experience severe, life-threatening toxicities that are sometimes fatal. Many other <i>DPYD</i> variants have been identified, with a range of clinical effects.[<a class="bk_pop" href="#CDR0000062922_rl_66_13">13</a>-<a class="bk_pop" href="#CDR0000062922_rl_66_15">15</a>] Fluoropyrimidine avoidance or a dose reduction of 50% may be recommended based on the patient's <i>DPYD</i> genotype and number of functioning <i>DPYD</i> alleles.[<a class="bk_pop" href="#CDR0000062922_rl_66_16">16</a>-<a class="bk_pop" href="#CDR0000062922_rl_66_18">18</a>] <i>DPYD</i> genetic testing costs less than $200, but insurance coverage varies due to a lack of national guidelines.[<a class="bk_pop" href="#CDR0000062922_rl_66_19">19</a>] In addition, testing may delay therapy by 2 weeks, which would not be advisable in urgent situations. This controversial issue requires further evaluation.<div class="milestone-end"></div>[<a class="bk_pop" href="#CDR0000062922_rl_66_20">20</a>]</p></div></div><div id="CDR0000062922__415"><h3>Altered Fractionation Versus Standard Fractionation Radiation Therapy</h3><p id="CDR0000062922__416">Radiation therapy alone with altered fractionation may be used for patients with locally advanced laryngeal cancer who are not candidates for chemotherapy. Altered fractionation radiation therapy yields a higher locoregional control rate compared with standard fractionated radiation therapy for patients with stage III and stage IV head and neck cancer. </p><p id="CDR0000062922__531">Evidence (altered fractionation vs. standard fractionation radiation therapy):</p><ol id="CDR0000062922__532"><li class="half_rhythm"><div class="half_rhythm">The randomized <a href="https://www.cancer.gov/clinicaltrials/NCT00771641" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">RTOG-9003</a> trial (<a href="https://clinicaltrials.gov/show/NCT00771641" title="Study NCT00771641" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT00771641</a>) included four radiation therapy treatment arms:[<a class="bk_pop" href="#CDR0000062922_rl_66_21">21</a>,<a class="bk_pop" href="#CDR0000062922_rl_66_22">22</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]<ul id="CDR0000062922__533"><li class="half_rhythm"><div>Standard fractionation (SFX) to 70 Gy in 35 daily fractions for 7 weeks.</div></li><li class="half_rhythm"><div>Hyperfractionation (HFX) to 81.6 Gy in 68 twice-daily fractions for 7 weeks.</div></li><li class="half_rhythm"><div>Accelerated fractionation split course (AFX-S) to 67.2 Gy in 42 fractions for 6 weeks with a 2-week rest after 38.4 Gy.</div></li><li class="half_rhythm"><div>Accelerated concurrent boost fractionation (AFX-C) to 72 Gy in 42 fractions for 6 weeks.</div></li></ul></div><div class="half_rhythm">In a long-term analysis, the three investigational arms were compared with SFX.<ul id="CDR0000062922__535"><li class="half_rhythm"><div>Only the HFX arm showed superior locoregional control and survival at 5 years compared with the SFX arm (HR, 0.79; 95% CI, 0.62–1.00; <i>P</i> = .05).</div></li><li class="half_rhythm"><div>AFX-C was associated with increased late toxicity compared with SFX.</div></li></ul></div></li><li class="half_rhythm"><div class="half_rhythm">The following results were shown in a meta-analysis of 15 randomized trials with a total of 6,515 patients and a median follow-up of 6 years involving the assessment of HFX or AFX-S for patients with stage III and stage IV oropharyngeal cancer:[<a class="bk_pop" href="#CDR0000062922_rl_66_23">23</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]<ul id="CDR0000062922__536"><li class="half_rhythm"><div>There was a significant survival benefit with altered-fractionated radiation therapy and a 3.4% absolute benefit at 5 years (HR, 0.92; 95% CI, 0.86–0.97; <i>P</i> = .003). </div></li><li class="half_rhythm"><div>Altered-fractionation radiation therapy improves locoregional control, with greater benefit shown in younger patients.</div></li><li class="half_rhythm"><div>HFX demonstrated a greater survival benefit (8% at 5 years) than did AFX-S (2% with accelerated fractionation without total dose-reduction and 1.7% with total dose-reduction at 5 years; <i>P</i> = .02).</div></li></ul></div></li></ol><p id="CDR0000062922__537">An additional late effect from radiation therapy is hypothyroidism, which occurs in 30% to 40% of patients who have received external-beam radiation therapy to the
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entire thyroid gland. Thyroid function testing of
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patients is a consideration before therapy and as part of posttreatment
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follow-up.[<a class="bk_pop" href="#CDR0000062922_rl_66_24">24</a>,<a class="bk_pop" href="#CDR0000062922_rl_66_25">25</a>]</p><p id="CDR0000062922__538">Prospective data from two randomized controlled trials reported the incidence of hypothyroidism.[<a class="bk_pop" href="#CDR0000062922_rl_66_26">26</a>] </p><ul id="CDR0000062922__616"><li class="half_rhythm"><div>At a median follow-up of 41 months, 55.1% of the patients developed hypothyroidism (39.3% subclinical, 15.7% biochemical).</div></li><li class="half_rhythm"><div> Patients who underwent intensity-modulated radiation therapy (IMRT) had higher subclinical hypothyroidism (51.1% vs. 27.3%; <i>P</i> = .021), peaking around 1 year after radiation therapy. </div></li><li class="half_rhythm"><div>Younger age, hypopharynx/larynx primary, node positivity, higher dose/fraction (IMRT arm), and D100 were statistically significant factors for developing hypothyroidism.[<a class="bk_pop" href="#CDR0000062922_rl_66_26">26</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810021/" class="def">Level of evidence A3</a>]</div></li></ul><p id="CDR0000062922__539">For patients with well-lateralized oropharyngeal cancer, such as a T1 or T2 tonsil primary tumor with limited extension into the palate or tongue base and limited ipsilateral lymph node involvement without extracapsular extension, elective treatment to the ipsilateral lymph nodes results in only minimal risk of spread to the contralateral neck.[<a class="bk_pop" href="#CDR0000062922_rl_66_27">27</a>] For T3 and T4 tumors that are midline or approach the midline, bilateral nodal treatment is a consideration. In addition to the cervical lymph node chain, retropharyngeal lymph nodes can also be encompassed in the elective nodal treatment.</p></div><div id="CDR0000062922__420"><h3>Surgery Followed by Postoperative Radiation Therapy (PORT) With or Without Chemotherapy for Patients With Locally Advanced Disease</h3><p id="CDR0000062922__540">New
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surgical techniques for resection and reconstruction that provide access and functional preservation have
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extended the surgical options for patients with stage III or stage IV laryngeal cancer. Specific surgical procedures and their modifications
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are not described here because of the wide variety of
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surgical approaches, the variety of opinions about the role of modified neck
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dissections, and the multiple reconstructive
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techniques that may give the same results. This group of patients is
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managed by head and neck surgeons who are skilled in the multiple procedures available and are actively and frequently involved in the care of these patients.</p><p id="CDR0000062922__541">Depending on pathological findings after primary surgery, PORT with or without chemotherapy is used in the adjuvant setting for the following histological findings:</p><ul id="CDR0000062922__542"><li class="half_rhythm"><div> T4 disease.</div></li><li class="half_rhythm"><div>Perineural invasion.</div></li><li class="half_rhythm"><div>Lymphovascular invasion.</div></li><li class="half_rhythm"><div>Positive margins or margins less than 5 mm.</div></li><li class="half_rhythm"><div>Extracapsular extension of a lymph node.</div></li><li class="half_rhythm"><div>Two or more involved lymph nodes.</div></li></ul><p id="CDR0000062922__543">The addition of chemotherapy to PORT for laryngeal cancer squamous cell carcinoma demonstrates a locoregional control and OS benefit compared with radiation therapy alone in patients who have high-risk pathological risk factors, extracapsular extension of a lymph node, or positive margins, based on a pooled analysis of the <a href="https://www.cancer.gov/clinicaltrials/NCT00002555" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">EORTC-22931</a> [<a href="https://clinicaltrials.gov/show/NCT00002555" title="Study NCT00002555" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT00002555</a>] and <a href="https://www.cancer.gov/clinicaltrials/NCT00002670" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">RTOG-9501</a> [<a href="https://clinicaltrials.gov/show/NCT00002670" title="Study NCT00002670" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT00002670</a>] studies.[<a class="bk_pop" href="#CDR0000062922_rl_66_28">28</a>-<a class="bk_pop" href="#CDR0000062922_rl_66_31">31</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>] </p><p id="CDR0000062922__544">For patients with intermediate pathological risk factors, the addition of cisplatin chemotherapy given concurrently with PORT is unclear. Intermediate pathological risk factors include:</p><ul id="CDR0000062922__545"><li class="half_rhythm"><div>T3 and T4 disease (or stage III and stage IV disease). </div></li><li class="half_rhythm"><div>Perineural infiltration. </div></li><li class="half_rhythm"><div>Vascular embolisms. </div></li><li class="half_rhythm"><div>Clinically enlarged level IV–V lymph nodes secondary to tumors arising in the oral cavity or oropharynx. </div></li><li class="half_rhythm"><div>Two or more histopathologically involved lymph nodes without extracapsular extension. </div></li><li class="half_rhythm"><div>Close margins less than 5 mm. </div></li></ul><p id="CDR0000062922__546">The addition of cetuximab with radiation therapy in the postoperative setting for these intermediate pathological risk factors is being tested in a randomized trial (<a href="https://www.cancer.gov/clinicaltrials/NCT00956007" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">RTOG-0920</a> [<a href="https://clinicaltrials.gov/show/NCT00956007" title="Study NCT00956007" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT00956007</a>]). </p><p id="CDR0000062922__68">The incidence of lymph node metastases in patients with stage I glottic cancer
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ranges from 0% to 2%; for more advanced disease, such as stage II, 10%; and for stage
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III glottic, 15%. Thus, there is
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no need to treat glottic cancer cervical lymph nodes electively in patients
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with stage I tumors and small stage II tumors. Elective neck radiation is a consideration for T3 or T4 glottic tumors or T1 to T4 supraglottic tumors.[<a class="bk_pop" href="#CDR0000062922_rl_66_32">32</a>]
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</p><p id="CDR0000062922__69">For patients with cancer of the subglottis, combined modality therapy is
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generally preferred for the uncommon small lesions (i.e., stage I or stage
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II); however, radiation therapy alone may be used.
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</p><p id="CDR0000062922__70">Patients who smoke during radiation therapy appear to have lower response rates
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and shorter survival durations than those who do not.[<a class="bk_pop" href="#CDR0000062922_rl_66_33">33</a>] Such patients
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should be counseled on smoking cessation before beginning radiation therapy.
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</p></div><div id="CDR0000062922_rl_66"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_66_1">Iyer NG, Tan DS, Tan VK, et al.: Randomized trial comparing surgery and adjuvant radiotherapy versus concurrent chemoradiotherapy in patients with advanced, nonmetastatic squamous cell carcinoma of the head and neck: 10-year update and subset analysis. Cancer 121 (10): 1599-607, 2015. [<a href="https://pubmed.ncbi.nlm.nih.gov/25639864" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 25639864</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_2">Silver CE, Ferlito A: Surgery for Cancer of the Larynx and Related Structures. 2nd ed. Saunders, 1996.</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_3">Mendenhall WM, Werning JW, Pfister DG: Treatment of head and neck cancer. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Lippincott Williams & Wilkins, 2011, pp 729-80.</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_4">Forastiere AA, Zhang Q, Weber RS, et al.: Long-term results of RTOG 91-11: a comparison of three nonsurgical treatment strategies to preserve the larynx in patients with locally advanced larynx cancer. J Clin Oncol 31 (7): 845-52, 2013. [<a href="/pmc/articles/PMC3577950/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3577950</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/23182993" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23182993</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_5">Fowler JF, Lindstrom MJ: Loss of local control with prolongation in radiotherapy. Int J Radiat Oncol Biol Phys 23 (2): 457-67, 1992. [<a href="https://pubmed.ncbi.nlm.nih.gov/1534082" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 1534082</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_6">Hansen O, Overgaard J, Hansen HS, et al.: Importance of overall treatment time for the outcome of radiotherapy of advanced head and neck carcinoma: dependency on tumor differentiation. Radiother Oncol 43 (1): 47-51, 1997. [<a href="https://pubmed.ncbi.nlm.nih.gov/9165136" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 9165136</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_7">Yoo J, Lacchetti C, Hammond JA, et al.: Role of endolaryngeal surgery (with or without laser) compared with radiotherapy in the management of early (T1) glottic cancer: a clinical practice guideline. Curr Oncol 20 (2): e132-5, 2013. [<a href="/pmc/articles/PMC3615864/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3615864</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/23559880" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23559880</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_8">Pignon JP, le Maître A, Maillard E, et al.: Meta-analysis of chemotherapy in head and neck cancer (MACH-NC): an update on 93 randomised trials and 17,346 patients. Radiother Oncol 92 (1): 4-14, 2009. [<a href="https://pubmed.ncbi.nlm.nih.gov/19446902" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 19446902</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_9">Bonner JA, Harari PM, Giralt J, et al.: Radiotherapy plus cetuximab for squamous-cell carcinoma of the head and neck. N Engl J Med 354 (6): 567-78, 2006. [<a href="https://pubmed.ncbi.nlm.nih.gov/16467544" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 16467544</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_10">Curran D, Giralt J, Harari PM, et al.: Quality of life in head and neck cancer patients after treatment with high-dose radiotherapy alone or in combination with cetuximab. J Clin Oncol 25 (16): 2191-7, 2007. [<a href="https://pubmed.ncbi.nlm.nih.gov/17538164" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 17538164</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_11">Budach W, Bölke E, Kammers K, et al.: Induction chemotherapy followed by concurrent radio-chemotherapy versus concurrent radio-chemotherapy alone as treatment of locally advanced squamous cell carcinoma of the head and neck (HNSCC): A meta-analysis of randomized trials. Radiother Oncol 118 (2): 238-43, 2016. [<a href="https://pubmed.ncbi.nlm.nih.gov/26589131" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 26589131</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_12">Induction chemotherapy plus radiation compared with surgery plus radiation in patients with advanced laryngeal cancer. The Department of Veterans Affairs Laryngeal Cancer Study Group. N Engl J Med 324 (24): 1685-90, 1991. [<a href="https://pubmed.ncbi.nlm.nih.gov/2034244" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 2034244</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_13">Sharma BB, Rai K, Blunt H, et al.: Pathogenic DPYD Variants and Treatment-Related Mortality in Patients Receiving Fluoropyrimidine Chemotherapy: A Systematic Review and Meta-Analysis. Oncologist 26 (12): 1008-1016, 2021. 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Pharmacogenomics 22 (3): 145-155, 2021. [<a href="https://pubmed.ncbi.nlm.nih.gov/33410339" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 33410339</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_16">Amstutz U, Henricks LM, Offer SM, et al.: Clinical Pharmacogenetics Implementation Consortium (CPIC) Guideline for Dihydropyrimidine Dehydrogenase Genotype and Fluoropyrimidine Dosing: 2017 Update. Clin Pharmacol Ther 103 (2): 210-216, 2018. [<a href="/pmc/articles/PMC5760397/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC5760397</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/29152729" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 29152729</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_17">Henricks LM, Lunenburg CATC, de Man FM, et al.: DPYD genotype-guided dose individualisation of fluoropyrimidine therapy in patients with cancer: a prospective safety analysis. Lancet Oncol 19 (11): 1459-1467, 2018. 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[<a href="/pmc/articles/PMC8742388/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC8742388</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/34996412" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 34996412</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_19">Brooks GA, Tapp S, Daly AT, et al.: Cost-effectiveness of DPYD Genotyping Prior to Fluoropyrimidine-based Adjuvant Chemotherapy for Colon Cancer. Clin Colorectal Cancer 21 (3): e189-e195, 2022. [<a href="/pmc/articles/PMC10496767/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC10496767</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/35668003" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 35668003</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_20">Baker SD, Bates SE, Brooks GA, et al.: DPYD Testing: Time to Put Patient Safety First. J Clin Oncol 41 (15): 2701-2705, 2023. [<a href="/pmc/articles/PMC10414691/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC10414691</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/36821823" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 36821823</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_21">Fu KK, Pajak TF, Trotti A, et al.: A Radiation Therapy Oncology Group (RTOG) phase III randomized study to compare hyperfractionation and two variants of accelerated fractionation to standard fractionation radiotherapy for head and neck squamous cell carcinomas: first report of RTOG 9003. Int J Radiat Oncol Biol Phys 48 (1): 7-16, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10924966" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10924966</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_22">Beitler JJ, Zhang Q, Fu KK, et al.: Final results of local-regional control and late toxicity of RTOG 9003: a randomized trial of altered fractionation radiation for locally advanced head and neck cancer. Int J Radiat Oncol Biol Phys 89 (1): 13-20, 2014. [<a href="/pmc/articles/PMC4664465/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC4664465</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/24613816" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 24613816</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_23">Baujat B, Bourhis J, Blanchard P, et al.: Hyperfractionated or accelerated radiotherapy for head and neck cancer. Cochrane Database Syst Rev (12): CD002026, 2010. [<a href="/pmc/articles/PMC8407183/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC8407183</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/21154350" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21154350</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_24">Turner SL, Tiver KW, Boyages SC: Thyroid dysfunction following radiotherapy for head and neck cancer. Int J Radiat Oncol Biol Phys 31 (2): 279-83, 1995. [<a href="https://pubmed.ncbi.nlm.nih.gov/7836081" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 7836081</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_25">Constine LS: What else don't we know about the late effects of radiation in patients treated for head and neck cancer? Int J Radiat Oncol Biol Phys 31 (2): 427-9, 1995. [<a href="https://pubmed.ncbi.nlm.nih.gov/7836099" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 7836099</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_26">Murthy V, Narang K, Ghosh-Laskar S, et al.: Hypothyroidism after 3-dimensional conformal radiotherapy and intensity-modulated radiotherapy for head and neck cancers: prospective data from 2 randomized controlled trials. Head Neck 36 (11): 1573-80, 2014. [<a href="https://pubmed.ncbi.nlm.nih.gov/23996654" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23996654</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_27">O'Sullivan B, Warde P, Grice B, et al.: The benefits and pitfalls of ipsilateral radiotherapy in carcinoma of the tonsillar region. Int J Radiat Oncol Biol Phys 51 (2): 332-43, 2001. [<a href="https://pubmed.ncbi.nlm.nih.gov/11567806" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 11567806</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_28">Cooper JS, Pajak TF, Forastiere AA, et al.: Postoperative concurrent radiotherapy and chemotherapy for high-risk squamous-cell carcinoma of the head and neck. N Engl J Med 350 (19): 1937-44, 2004. [<a href="https://pubmed.ncbi.nlm.nih.gov/15128893" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 15128893</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_29">Bernier J, Domenge C, Ozsahin M, et al.: Postoperative irradiation with or without concomitant chemotherapy for locally advanced head and neck cancer. N Engl J Med 350 (19): 1945-52, 2004. [<a href="https://pubmed.ncbi.nlm.nih.gov/15128894" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 15128894</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_30">Bernier J, Cooper JS, Pajak TF, et al.: Defining risk levels in locally advanced head and neck cancers: a comparative analysis of concurrent postoperative radiation plus chemotherapy trials of the EORTC (#22931) and RTOG (# 9501). Head Neck 27 (10): 843-50, 2005. [<a href="https://pubmed.ncbi.nlm.nih.gov/16161069" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 16161069</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_31">Cooper JS, Zhang Q, Pajak TF, et al.: Long-term follow-up of the RTOG 9501/intergroup phase III trial: postoperative concurrent radiation therapy and chemotherapy in high-risk squamous cell carcinoma of the head and neck. Int J Radiat Oncol Biol Phys 84 (5): 1198-205, 2012. [<a href="/pmc/articles/PMC3465463/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3465463</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/22749632" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 22749632</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_32">Spaulding CA, Hahn SS, Constable WC: The effectiveness of treatment of lymph nodes in cancers of the pyriform sinus and supraglottis. Int J Radiat Oncol Biol Phys 13 (7): 963-8, 1987. [<a href="https://pubmed.ncbi.nlm.nih.gov/3597159" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 3597159</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_66_33">Browman GP, Wong G, Hodson I, et al.: Influence of cigarette smoking on the efficacy of radiation therapy in head and neck cancer. N Engl J Med 328 (3): 159-63, 1993. [<a href="https://pubmed.ncbi.nlm.nih.gov/8417381" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8417381</span></a>]</div></li></ol></div></div><div id="CDR0000062922__73"><h2 id="_CDR0000062922__73_">Treatment of Stage I Laryngeal Cancer</h2><div id="CDR0000062922__688"><h3>Supraglottis</h3><p id="CDR0000062922__689">Treatment options for stage I cancer of the supraglottis include:
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</p><ol id="CDR0000062922__690"><li class="half_rhythm"><div>External-beam radiation therapy (EBRT) therapy alone.
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</div></li><li class="half_rhythm"><div>Supraglottic laryngectomy. Total laryngectomy may be reserved for patients
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unable to tolerate potential respiratory complications of surgery or the
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supraglottic laryngectomy. </div></li></ol></div><div id="CDR0000062922__692"><h3>Glottis</h3><p id="CDR0000062922__693">Treatment options for stage I cancer of the glottis include:</p><ol id="CDR0000062922__694"><li class="half_rhythm"><div>Radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_73_1">1</a>-<a class="bk_pop" href="#CDR0000062922_rl_73_4">4</a>]
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</div></li><li class="half_rhythm"><div>Endoscopic CO<sub>2</sub> laser excision.[<a class="bk_pop" href="#CDR0000062922_rl_73_5">5</a>]
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</div></li><li class="half_rhythm"><div>Cordectomy for very carefully selected patients with limited and superficial
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T1 lesions.[<a class="bk_pop" href="#CDR0000062922_rl_73_6">6</a>,<a class="bk_pop" href="#CDR0000062922_rl_73_7">7</a>]</div></li><li class="half_rhythm"><div>Partial or hemilaryngectomy or total laryngectomy, depending on anatomical
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considerations.
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</div></li></ol></div><div id="CDR0000062922__696"><h3>Subglottis</h3><p id="CDR0000062922__697">Treatment options for stage I cancer of the subglottis include:</p><ol id="CDR0000062922__698"><li class="half_rhythm"><div>Lesions can be treated successfully by radiation therapy alone with
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preservation of normal voice. </div></li><li class="half_rhythm"><div>Surgery is reserved for failure of radiation
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therapy or for patients who cannot be easily assessed for radiation therapy.
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</div></li></ol><p id="CDR0000062922__713">For more information, see the <a href="#CDR0000062922__66">Treatment Option Overview for Laryngeal Cancer</a> section.</p><p id="CDR0000062922__703">
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<b><div class="milestone-start" id="CDR0000062922__700"></div>Radiation therapy</b>
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</p><p id="CDR0000062922__710">
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<b>Transoral CO<sub>2</sub> laser excision versus EBRT</b>
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</p><p id="CDR0000062922__701">Selection of treatment should include an evaluation of voice function and quality after treatment. Endoscopic CO<sub>2</sub> laser resections may also achieve similar results in terms of local control and function [<a class="bk_pop" href="#CDR0000062922_rl_73_8">8</a>] compared with radiation therapy, although no randomized studies have been performed.[<a class="bk_pop" href="#CDR0000062922_rl_73_9">9</a>]</p><p id="CDR0000062922__702">Evidence (transoral CO<sub>2</sub> laser excision vs. EBRT): </p><ol id="CDR0000062922__704"><li class="half_rhythm"><div> A meta-analysis examined oncologic control in 22 consecutive case series.<ul id="CDR0000062922__705"><li class="half_rhythm"><div>No clear differences were demonstrated between transoral CO<sub>2</sub> laser excision and EBRT in terms of local control (odds ratio [OR], 0.81; 95% confidence interval [CI], 0.51–1.3) and laryngectomy-free survival (OR, 0.84; 95% CI, 0.42–1.66).</div></li><li class="half_rhythm"><div>There was a trend for improved posttreatment voice quality with radiation therapy. Transoral CO<sub>2</sub> laser–excision surgery dominates radiation therapy from a cost-utility standpoint.[<a class="bk_pop" href="#CDR0000062922_rl_73_5">5</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810033/" class="def">Level of evidence B4</a>] </div></li></ul>
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</div></li></ol><p id="CDR0000062922__711">
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<b>Conventional radiation therapy versus hypofractionated radiation therapy</b>
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</p><p id="CDR0000062922__712">Conventional and hypofractionated radiation therapy regimens have been studied regarding radiation-dose fractionation for patients with early-stage larynx cancer. </p><p id="CDR0000062922__706">Evidence (conventional radiation therapy vs. hypofractionated radiation therapy):</p><ol id="CDR0000062922__707"><li class="half_rhythm"><div>In a randomized study of patients with early-stage larynx cancer, patients were assigned to standard fractionation in 2 Gy daily fractions or a hypofractionated regimen of 2.25 Gy daily; 82 patients were allocated to a conventional fractionation (CONV) arm (66 Gy/33 fractions for T1 and 70 Gy/35 fractions for T2), with 74 patients to the hypofractionation (HYPO) arm (63 Gy/28 fractions for T1 and 67.5 Gy/30 fractions for T2).[<a class="bk_pop" href="#CDR0000062922_rl_73_10">10</a>] The study was underpowered and closed early because of a lack of accrual, although no statistically significant differences were seen between treatment arms in terms of local progression-free survival (PFS).<ul id="CDR0000062922__708"><li class="half_rhythm"><div>With a median follow-up of 67 months (range, 2–122 months), the 5-year local PFS rate was 77.8% for the CONV arm and 88.5% for the HYPO arm (hazard ratio [HR], 1.55; <i>P</i> = .213). </div></li><li class="half_rhythm"><div>No significant difference was observed in the toxicity profile between the two arms. </div></li><li class="half_rhythm"><div>In a subgroup exploratory analysis for T1a disease, the 5-year local PFS rate trended positively in the HYPO arm (76.7% vs. 93.0%; HR, 3.65; <i>P</i> = .056).[<a class="bk_pop" href="#CDR0000062922_rl_73_10">10</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810025/" class="def">Level of evidence B1</a>] </div></li></ul></div><div>Earlier single-institution reports support hypofractionated regimens using 2.25 Gy per fraction for early T1 and T2 larynx cancer with high local control rates.[<a class="bk_pop" href="#CDR0000062922_rl_73_11">11</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810039/" class="def">Level of evidence C3</a>]<div class="milestone-end"></div></div></li></ol></div><div id="CDR0000062922__TrialSearch_73_sid_5"><h3>Current Clinical Trials</h3><p id="CDR0000062922__TrialSearch_73_22">Use our <a href="https://www.cancer.gov/research/participate/clinical-trials-search/advanced" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">advanced clinical trial search</a> to find NCI-supported cancer clinical trials that are now enrolling patients. The search can be narrowed by location of the trial, type of treatment, name of the drug, and other criteria. <a href="https://www.cancer.gov/research/participate/clinical-trials" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">General information</a> about clinical trials is also available.</p></div><div id="CDR0000062922_rl_73"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_73_1">Mittal B, Rao DV, Marks JE, et al.: Role of radiation in the management of early vocal cord carcinoma. Int J Radiat Oncol Biol Phys 9 (7): 997-1002, 1983. [<a href="https://pubmed.ncbi.nlm.nih.gov/6408043" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 6408043</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_2">Wang CC: Factors influencing the success of radiation therapy for T2 and T3 glottic carcinomas. Importance of cord mobility and sex. Am J Clin Oncol 9 (6): 517-20, 1986. [<a href="https://pubmed.ncbi.nlm.nih.gov/3788854" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 3788854</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_3">Mendenhall WM, Amdur RJ, Morris CG, et al.: T1-T2N0 squamous cell carcinoma of the glottic larynx treated with radiation therapy. J Clin Oncol 19 (20): 4029-36, 2001. [<a href="https://pubmed.ncbi.nlm.nih.gov/11600604" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 11600604</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_4">Foote RL, Olsen KD, Kunselman SJ, et al.: Early-stage squamous cell carcinoma of the glottic larynx managed with radiation therapy. Mayo Clin Proc 67 (7): 629-36, 1992. [<a href="https://pubmed.ncbi.nlm.nih.gov/1434895" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 1434895</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_5">Higgins KM: What treatment for early-stage glottic carcinoma among adult patients: CO2 endolaryngeal laser excision versus standard fractionated external beam radiation is superior in terms of cost utility? Laryngoscope 121 (1): 116-34, 2011. [<a href="https://pubmed.ncbi.nlm.nih.gov/21120828" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21120828</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_6">Steiner W: Results of curative laser microsurgery of laryngeal carcinomas. Am J Otolaryngol 14 (2): 116-21, 1993 Mar-Apr. [<a href="https://pubmed.ncbi.nlm.nih.gov/8484476" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8484476</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_7">Olsen KD, Thomas JV, DeSanto LW, et al.: Indications and results of cordectomy for early glottic carcinoma. Otolaryngol Head Neck Surg 108 (3): 277-82, 1993. [<a href="https://pubmed.ncbi.nlm.nih.gov/8464642" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8464642</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_8">Agrawal A, Moon J, Davis RK, et al.: Transoral carbon dioxide laser supraglottic laryngectomy and irradiation in stage I, II, and III squamous cell carcinoma of the supraglottic larynx: report of Southwest Oncology Group Phase 2 Trial S9709. Arch Otolaryngol Head Neck Surg 133 (10): 1044-50, 2007. [<a href="https://pubmed.ncbi.nlm.nih.gov/17938330" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 17938330</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_9">Dey P, Arnold D, Wight R, et al.: Radiotherapy versus open surgery versus endolaryngeal surgery (with or without laser) for early laryngeal squamous cell cancer. Cochrane Database Syst Rev (2): CD002027, 2002. [<a href="https://pubmed.ncbi.nlm.nih.gov/12076435" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 12076435</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_10">Fein DA, Mendenhall WM, Parsons JT, et al.: T1-T2 squamous cell carcinoma of the glottic larynx treated with radiotherapy: a multivariate analysis of variables potentially influencing local control. Int J Radiat Oncol Biol Phys 25 (4): 605-11, 1993. [<a href="https://pubmed.ncbi.nlm.nih.gov/8454477" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8454477</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_73_11">Moon SH, Cho KH, Chung EJ, et al.: A prospective randomized trial comparing hypofractionation with conventional fractionation radiotherapy for T1-2 glottic squamous cell carcinomas: results of a Korean Radiation Oncology Group (KROG-0201) study. Radiother Oncol 110 (1): 98-103, 2014. [<a href="https://pubmed.ncbi.nlm.nih.gov/24161568" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 24161568</span></a>]</div></li></ol></div></div><div id="CDR0000062922__87"><h2 id="_CDR0000062922__87_">Treatment of Stage II Laryngeal Cancer</h2><div id="CDR0000062922__88"><h3>Supraglottis</h3><p id="CDR0000062922__89">Treatment options for stage II cancer of the supraglottis include:
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</p><ol id="CDR0000062922__180"><li class="half_rhythm"><div> External-beam radiation therapy alone for the smaller lesions encompassing the primary disease and regional elective nodes.[<a class="bk_pop" href="#CDR0000062922_rl_87_1">1</a>]</div></li><li class="half_rhythm"><div>Supraglottic laryngectomy with bilateral neck dissections, depending on location of
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the lesion, clinical status of the patient, and expertise of the treatment
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team. Careful selection must be made to ensure adequate pulmonary and
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swallowing function postoperatively.
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</div></li><li class="half_rhythm"><div>Postoperative radiation therapy (PORT) is indicated for positive or close
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surgical margins or other adverse pathological risk factors.
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</div></li></ol><p id="CDR0000062922__290">Radiation therapy should be preferred because
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of the good results, preservation of the voice, and the possibility of surgical salvage in
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patients whose disease recurs locally.</p></div><div id="CDR0000062922__96"><h3>Glottis</h3><p id="CDR0000062922__97">Treatment options for stage II cancer of the glottis include:
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</p><ol id="CDR0000062922__182"><li class="half_rhythm"><div> Radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_87_1">1</a>-<a class="bk_pop" href="#CDR0000062922_rl_87_4">4</a>]
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</div></li><li class="half_rhythm"><div>Endoscopic CO<sub>2</sub> laser excision.[<a class="bk_pop" href="#CDR0000062922_rl_87_5">5</a>]</div></li><li class="half_rhythm"><div>Partial or hemilaryngectomy or total laryngectomy, depending on anatomical
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considerations. Under certain circumstances, laser microsurgery may be
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appropriate.[<a class="bk_pop" href="#CDR0000062922_rl_87_6">6</a>]</div></li></ol></div><div id="CDR0000062922__103"><h3>Subglottis</h3><p id="CDR0000062922__104">Treatment options for stage II cancer of the subglottis include:
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</p><ol id="CDR0000062922__291"><li class="half_rhythm"><div>Lesions can be treated successfully by radiation therapy alone with
|
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preservation of normal voice.[<a class="bk_pop" href="#CDR0000062922_rl_87_1">1</a>]</div></li><li class="half_rhythm"><div>Surgery is reserved for failure of
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|
radiation therapy or for patients in whom follow-up is likely to be difficult.</div></li></ol><p id="CDR0000062922__714">For more information, see the <a href="#CDR0000062922__66">Treatment Option Overview for Laryngeal Cancer</a> section.</p></div><div id="CDR0000062922__TrialSearch_87_sid_6"><h3>Current Clinical Trials</h3><p id="CDR0000062922__TrialSearch_87_22">Use our <a href="https://www.cancer.gov/research/participate/clinical-trials-search/advanced" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">advanced clinical trial search</a> to find NCI-supported cancer clinical trials that are now enrolling patients. The search can be narrowed by location of the trial, type of treatment, name of the drug, and other criteria. <a href="https://www.cancer.gov/research/participate/clinical-trials" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">General information</a> about clinical trials is also available.</p></div><div id="CDR0000062922_rl_87"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_87_1">Mendenhall WM, Werning JW, Pfister DG: Treatment of head and neck cancer. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Lippincott Williams & Wilkins, 2011, pp 729-80.</div></li><li><div class="bk_ref" id="CDR0000062922_rl_87_2">Mittal B, Marks JE, Ogura JH: Transglottic carcinoma. Cancer 53 (1): 151-61, 1984. [<a href="https://pubmed.ncbi.nlm.nih.gov/6689996" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 6689996</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_87_3">Medini E, Medini I, Lee CK, et al.: Curative radiotherapy for stage II-III squamous cell carcinoma of the glottic larynx. Am J Clin Oncol 21 (3): 302-5, 1998. [<a href="https://pubmed.ncbi.nlm.nih.gov/9626804" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 9626804</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_87_4">Mendenhall WM, Amdur RJ, Morris CG, et al.: T1-T2N0 squamous cell carcinoma of the glottic larynx treated with radiation therapy. J Clin Oncol 19 (20): 4029-36, 2001. [<a href="https://pubmed.ncbi.nlm.nih.gov/11600604" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 11600604</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_87_5">Higgins KM: What treatment for early-stage glottic carcinoma among adult patients: CO2 endolaryngeal laser excision versus standard fractionated external beam radiation is superior in terms of cost utility? Laryngoscope 121 (1): 116-34, 2011. [<a href="https://pubmed.ncbi.nlm.nih.gov/21120828" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21120828</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_87_6">Steiner W: Results of curative laser microsurgery of laryngeal carcinomas. Am J Otolaryngol 14 (2): 116-21, 1993 Mar-Apr. [<a href="https://pubmed.ncbi.nlm.nih.gov/8484476" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8484476</span></a>]</div></li></ol></div></div><div id="CDR0000062922__109"><h2 id="_CDR0000062922__109_">Treatment of Stage III Laryngeal Cancer</h2><div id="CDR0000062922__110"><h3>Supraglottis</h3><p id="CDR0000062922__111">Treatment options for stage III cancer of the supraglottis include:
|
|
</p><ol id="CDR0000062922__186"><li class="half_rhythm"><div><a href="#CDR0000062922__547">Concurrent chemoradiation therapy</a> can
|
|
be considered for patients who would require total laryngectomy for control of disease.[<a class="bk_pop" href="#CDR0000062922_rl_109_1">1</a>] </div></li><li class="half_rhythm"><div>
|
|
<a href="#CDR0000062922__554">Neoadjuvant chemotherapy followed by concurrent chemoradiation therapy</a>. Laryngectomy is reserved for patients with less than a 50% response to chemotherapy or who have persistent disease following radiation.[<a class="bk_pop" href="#CDR0000062922_rl_109_1">1</a>-<a class="bk_pop" href="#CDR0000062922_rl_109_6">6</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810021/" class="def">Level of evidence A3</a>]</div></li><li class="half_rhythm"><div> Definitive radiation therapy alone with <a href="#CDR0000062922__415">altered fractionation</a> in patients who are not candidates for concurrent chemotherapy and surgery (total laryngectomy) for salvage of radiation failures.[<a class="bk_pop" href="#CDR0000062922_rl_109_7">7</a>] </div></li><li class="half_rhythm"><div> Surgery with or without postoperative radiation therapy (PORT).[<a class="bk_pop" href="#CDR0000062922_rl_109_8">8</a>]</div></li></ol></div><div id="CDR0000062922__120"><h3>Glottis</h3><p id="CDR0000062922__121">Treatment options for stage III cancer of the glottis include:
|
|
</p><ol id="CDR0000062922__329"><li class="half_rhythm"><div><a href="#CDR0000062922__547">Concurrent chemoradiation therapy</a> can
|
|
be considered for patients who would require total laryngectomy for control of disease.[<a class="bk_pop" href="#CDR0000062922_rl_109_1">1</a>]</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__554">Neoadjuvant chemotherapy followed by concurrent chemoradiation therapy</a>. Laryngectomy is reserved for patients with less than a 50% response to chemotherapy or who have persistent disease after radiation.[<a class="bk_pop" href="#CDR0000062922_rl_109_1">1</a>-<a class="bk_pop" href="#CDR0000062922_rl_109_6">6</a>] </div></li><li class="half_rhythm"><div> Definitive radiation therapy alone with <a href="#CDR0000062922__415">altered fractionation</a> in patients who are not candidates for concurrent chemotherapy and surgery (total laryngectomy) for salvage of radiation failures.[<a class="bk_pop" href="#CDR0000062922_rl_109_7">7</a>] </div></li><li class="half_rhythm"><div> Surgery with or without PORT.[<a class="bk_pop" href="#CDR0000062922_rl_109_8">8</a>]</div></li><li class="half_rhythm"><div>Clinical trials exploring novel targeted therapy, immunotherapy, novel chemotherapy, radiosensitizers, or particle-beam radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_109_9">9</a>]</div></li></ol></div><div id="CDR0000062922__130"><h3>Subglottis</h3><p id="CDR0000062922__131">Treatment options for stage III cancer of the subglottis include:
|
|
</p><ol id="CDR0000062922__190"><li class="half_rhythm"><div>Laryngectomy plus isolated thyroidectomy and tracheoesophageal node
|
|
dissection usually followed by PORT.[<a class="bk_pop" href="#CDR0000062922_rl_109_10">10</a>]</div></li><li class="half_rhythm"><div>Treatment by radiation therapy alone is indicated for patients who are not
|
|
candidates for surgery. Patients should be closely followed, and surgical
|
|
salvage should be planned for recurrences that are local or in the neck.
|
|
</div></li><li class="half_rhythm"><div>Definitive radiation therapy alone with <a href="#CDR0000062922__415">altered fractionation</a> in patients who are not candidates for concurrent chemotherapy and surgery (total laryngectomy) for salvage of radiation failures.[<a class="bk_pop" href="#CDR0000062922_rl_109_6">6</a>,<a class="bk_pop" href="#CDR0000062922_rl_109_7">7</a>]</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__554"> Induction chemotherapy followed by concomitant chemotherapy and radiation</a>. Laryngectomy is reserved for patients with less than a 50% response to chemotherapy or who have persistent disease after radiation.[<a class="bk_pop" href="#CDR0000062922_rl_109_6">6</a>] </div></li><li class="half_rhythm"><div>Clinical trials exploring novel targeted therapy, immunotherapy, novel chemotherapy, radiosensitizers, or particle-beam
|
|
radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_109_9">9</a>]</div></li></ol><p id="CDR0000062922__715">For more information, see the <a href="#CDR0000062922__66">Treatment Option Overview for Laryngeal Cancer</a> section.</p><p id="CDR0000062922__476">
|
|
<b><div class="milestone-start" id="CDR0000062922__475"></div>Role of Neck Dissection in the Post-Radiation Therapy Setting</b>
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|
</p><p id="CDR0000062922__477">A prospective randomized trial included 564 patients with head and neck cancer and N2 or N3 disease. Patients were assigned to undergo planned neck dissection or surveillance with positron emission tomography–computed tomography (PET-CT). With a median follow-up of 36 months, PET-CT resulted in fewer neck dissections compared with the surgical arm (54 vs. 221), with a 2-year survival rate of 84.9% versus 81.5%, respectively. The hazard ratio (HR)<sub>death</sub> slightly favored PET-CT–guided surveillance and indicated noninferiority (upper boundary, 95% confidence interval for HR, <1.50; <i>P</i> = .004).[<a class="bk_pop" href="#CDR0000062922_rl_109_11">11</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]<div class="milestone-end"></div></p></div><div id="CDR0000062922__TrialSearch_109_sid_7"><h3>Current Clinical Trials</h3><p id="CDR0000062922__TrialSearch_109_22">Use our <a href="https://www.cancer.gov/research/participate/clinical-trials-search/advanced" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">advanced clinical trial search</a> to find NCI-supported cancer clinical trials that are now enrolling patients. The search can be narrowed by location of the trial, type of treatment, name of the drug, and other criteria. <a href="https://www.cancer.gov/research/participate/clinical-trials" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">General information</a> about clinical trials is also available.</p></div><div id="CDR0000062922_rl_109"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_109_1">Forastiere AA, Zhang Q, Weber RS, et al.: Long-term results of RTOG 91-11: a comparison of three nonsurgical treatment strategies to preserve the larynx in patients with locally advanced larynx cancer. J Clin Oncol 31 (7): 845-52, 2013. [<a href="/pmc/articles/PMC3577950/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3577950</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/23182993" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23182993</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_2">Spaulding MB, Fischer SG, Wolf GT: Tumor response, toxicity, and survival after neoadjuvant organ-preserving chemotherapy for advanced laryngeal carcinoma. The Department of Veterans Affairs Cooperative Laryngeal Cancer Study Group. J Clin Oncol 12 (8): 1592-9, 1994. [<a href="https://pubmed.ncbi.nlm.nih.gov/8040671" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8040671</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_3">Adelstein DJ, Saxton JP, Lavertu P, et al.: A phase III randomized trial comparing concurrent chemotherapy and radiotherapy with radiotherapy alone in resectable stage III and IV squamous cell head and neck cancer: preliminary results. Head Neck 19 (7): 567-75, 1997. [<a href="https://pubmed.ncbi.nlm.nih.gov/9323144" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 9323144</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_4">Jeremic B, Shibamoto Y, Milicic B, et al.: Hyperfractionated radiation therapy with or without concurrent low-dose daily cisplatin in locally advanced squamous cell carcinoma of the head and neck: a prospective randomized trial. J Clin Oncol 18 (7): 1458-64, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10735893" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10735893</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_5">Bernier J, Domenge C, Ozsahin M, et al.: Postoperative irradiation with or without concomitant chemotherapy for locally advanced head and neck cancer. N Engl J Med 350 (19): 1945-52, 2004. [<a href="https://pubmed.ncbi.nlm.nih.gov/15128894" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 15128894</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_6">Lefebvre JL, Pointreau Y, Rolland F, et al.: Induction chemotherapy followed by either chemoradiotherapy or bioradiotherapy for larynx preservation: the TREMPLIN randomized phase II study. J Clin Oncol 31 (7): 853-9, 2013. [<a href="https://pubmed.ncbi.nlm.nih.gov/23341517" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23341517</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_7">MacKenzie RG, Franssen E, Balogh JM, et al.: Comparing treatment outcomes of radiotherapy and surgery in locally advanced carcinoma of the larynx: a comparison limited to patients eligible for surgery. Int J Radiat Oncol Biol Phys 47 (1): 65-71, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10758306" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10758306</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_8">Induction chemotherapy plus radiation compared with surgery plus radiation in patients with advanced laryngeal cancer. The Department of Veterans Affairs Laryngeal Cancer Study Group. N Engl J Med 324 (24): 1685-90, 1991. [<a href="https://pubmed.ncbi.nlm.nih.gov/2034244" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 2034244</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_9">Adelstein DJ, Lavertu P, Saxton JP, et al.: Mature results of a phase III randomized trial comparing concurrent chemoradiotherapy with radiation therapy alone in patients with stage III and IV squamous cell carcinoma of the head and neck. Cancer 88 (4): 876-83, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10679658" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10679658</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_10">Mendenhall WM, Werning JW, Pfister DG: Treatment of head and neck cancer. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Lippincott Williams & Wilkins, 2011, pp 729-80.</div></li><li><div class="bk_ref" id="CDR0000062922_rl_109_11">Mehanna H, Wong WL, McConkey CC, et al.: PET-CT Surveillance versus Neck Dissection in Advanced Head and Neck Cancer. N Engl J Med 374 (15): 1444-54, 2016. [<a href="https://pubmed.ncbi.nlm.nih.gov/27007578" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 27007578</span></a>]</div></li></ol></div></div><div id="CDR0000062922__139"><h2 id="_CDR0000062922__139_">Treatment of Stage IV Laryngeal Cancer</h2><div id="CDR0000062922__140"><h3>Supraglottis</h3><p id="CDR0000062922__141">Treatment options for stage IV cancer of the supraglottis include:
|
|
</p><ol id="CDR0000062922__330"><li class="half_rhythm"><div><a href="#CDR0000062922__547">Concurrent chemoradiation therapy</a> can
|
|
be considered for patients who would require total laryngectomy for control of disease, including those with nonbulky T4a disease.[<a class="bk_pop" href="#CDR0000062922_rl_139_1">1</a>]</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__554"> Neoadjuvant chemotherapy followed by concurrent chemoradiation therapy</a>. Laryngectomy is reserved for patients with less than a 50% response to chemotherapy or who have persistent disease after radiation.[<a class="bk_pop" href="#CDR0000062922_rl_139_1">1</a>-<a class="bk_pop" href="#CDR0000062922_rl_139_6">6</a>] </div></li><li class="half_rhythm"><div> Definitive radiation therapy alone in patients who are not candidates for concurrent chemotherapy and surgery (total laryngectomy) for salvage of radiation failures.[<a class="bk_pop" href="#CDR0000062922_rl_139_7">7</a>] </div></li><li class="half_rhythm"><div> For patients with bulky T4 disease, <a href="#CDR0000062922__420">surgery followed by postoperative radiation therapy (PORT) with or without concurrent chemotherapy</a> based on pathological risk factors for large volume T4 disease.[<a class="bk_pop" href="#CDR0000062922_rl_139_8">8</a>]</div></li><li class="half_rhythm"><div>Clinical trials exploring novel targeted therapy, immunotherapy, novel chemotherapy, radiosensitizers, or particle-beam
|
|
radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_139_9">9</a>]</div></li></ol></div><div id="CDR0000062922__150"><h3>Glottis</h3><p id="CDR0000062922__151">Treatment options for stage IV cancer of the glottis include:
|
|
</p><ol id="CDR0000062922__331"><li class="half_rhythm"><div><a href="#CDR0000062922__547">Concurrent chemoradiation therapy</a> can
|
|
be considered for patients who would require total laryngectomy for control of disease, including those with nonbulky T4a disease.[<a class="bk_pop" href="#CDR0000062922_rl_139_1">1</a>]</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__554"> Neoadjuvant chemotherapy followed by concurrent chemoradiation therapy</a>. Laryngectomy is reserved for patients with less than a 50% response to chemotherapy or who have persistent disease following radiation.[<a class="bk_pop" href="#CDR0000062922_rl_139_1">1</a>-<a class="bk_pop" href="#CDR0000062922_rl_139_6">6</a>] </div></li><li class="half_rhythm"><div> Definitive radiation therapy alone in patients who are not candidates for concurrent chemotherapy and surgery (total laryngectomy) for salvage of radiation failures.[<a class="bk_pop" href="#CDR0000062922_rl_139_7">7</a>] </div></li><li class="half_rhythm"><div>For patients with bulky T4 disease, <a href="#CDR0000062922__420">surgery (total laryngectomy) followed by PORT with or without concurrent chemotherapy </a>based on pathological risk factors for large volume T4 disease.[<a class="bk_pop" href="#CDR0000062922_rl_139_8">8</a>]</div></li><li class="half_rhythm"><div>Clinical trials exploring novel targeted therapy, immunotherapy, novel chemotherapy, radiosensitizers, or particle-beam
|
|
radiation therapy.[<a class="bk_pop" href="#CDR0000062922_rl_139_9">9</a>]</div></li></ol></div><div id="CDR0000062922__160"><h3>Subglottis</h3><p id="CDR0000062922__161">Treatment options for stage IV cancer of the subglottis include:
|
|
</p><ol id="CDR0000062922__196"><li class="half_rhythm"><div> Laryngectomy plus total thyroidectomy and bilateral tracheoesophageal node
|
|
dissection usually followed by PORT with or without concurrent chemotherapy based on pathological risk factors.[<a class="bk_pop" href="#CDR0000062922_rl_139_10">10</a>]</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__547">Concurrent chemoradiation therapy</a> can
|
|
be considered for patients who would require total laryngectomy for control of disease, including those with nonbulky T4a disease.[<a class="bk_pop" href="#CDR0000062922_rl_139_1">1</a>]</div></li><li class="half_rhythm"><div>Clinical trials exploring novel targeted therapy, immunotherapy, novel chemotherapy, radiosensitizers, or particle-beam
|
|
radiation therapy.</div></li></ol><p id="CDR0000062922__716">For more information, see the <a href="#CDR0000062922__66">Treatment Option Overview for Laryngeal Cancer</a> section.</p></div><div id="CDR0000062922__TrialSearch_139_sid_8"><h3>Current Clinical Trials</h3><p id="CDR0000062922__TrialSearch_139_22">Use our <a href="https://www.cancer.gov/research/participate/clinical-trials-search/advanced" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">advanced clinical trial search</a> to find NCI-supported cancer clinical trials that are now enrolling patients. The search can be narrowed by location of the trial, type of treatment, name of the drug, and other criteria. <a href="https://www.cancer.gov/research/participate/clinical-trials" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">General information</a> about clinical trials is also available.</p></div><div id="CDR0000062922_rl_139"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_139_1">Forastiere AA, Zhang Q, Weber RS, et al.: Long-term results of RTOG 91-11: a comparison of three nonsurgical treatment strategies to preserve the larynx in patients with locally advanced larynx cancer. J Clin Oncol 31 (7): 845-52, 2013. [<a href="/pmc/articles/PMC3577950/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3577950</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/23182993" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23182993</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_2">Spaulding MB, Fischer SG, Wolf GT: Tumor response, toxicity, and survival after neoadjuvant organ-preserving chemotherapy for advanced laryngeal carcinoma. The Department of Veterans Affairs Cooperative Laryngeal Cancer Study Group. J Clin Oncol 12 (8): 1592-9, 1994. [<a href="https://pubmed.ncbi.nlm.nih.gov/8040671" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8040671</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_3">Adelstein DJ, Saxton JP, Lavertu P, et al.: A phase III randomized trial comparing concurrent chemotherapy and radiotherapy with radiotherapy alone in resectable stage III and IV squamous cell head and neck cancer: preliminary results. Head Neck 19 (7): 567-75, 1997. [<a href="https://pubmed.ncbi.nlm.nih.gov/9323144" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 9323144</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_4">Jeremic B, Shibamoto Y, Milicic B, et al.: Hyperfractionated radiation therapy with or without concurrent low-dose daily cisplatin in locally advanced squamous cell carcinoma of the head and neck: a prospective randomized trial. J Clin Oncol 18 (7): 1458-64, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10735893" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10735893</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_5">Bernier J, Domenge C, Ozsahin M, et al.: Postoperative irradiation with or without concomitant chemotherapy for locally advanced head and neck cancer. N Engl J Med 350 (19): 1945-52, 2004. [<a href="https://pubmed.ncbi.nlm.nih.gov/15128894" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 15128894</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_6">Lefebvre JL, Pointreau Y, Rolland F, et al.: Induction chemotherapy followed by either chemoradiotherapy or bioradiotherapy for larynx preservation: the TREMPLIN randomized phase II study. J Clin Oncol 31 (7): 853-9, 2013. [<a href="https://pubmed.ncbi.nlm.nih.gov/23341517" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 23341517</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_7">MacKenzie RG, Franssen E, Balogh JM, et al.: Comparing treatment outcomes of radiotherapy and surgery in locally advanced carcinoma of the larynx: a comparison limited to patients eligible for surgery. Int J Radiat Oncol Biol Phys 47 (1): 65-71, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10758306" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10758306</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_8">Bernier J, Cooper JS: Chemoradiation after surgery for high-risk head and neck cancer patients: how strong is the evidence? Oncologist 10 (3): 215-24, 2005. [<a href="https://pubmed.ncbi.nlm.nih.gov/15793225" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 15793225</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_9">Adelstein DJ, Lavertu P, Saxton JP, et al.: Mature results of a phase III randomized trial comparing concurrent chemoradiotherapy with radiation therapy alone in patients with stage III and IV squamous cell carcinoma of the head and neck. Cancer 88 (4): 876-83, 2000. [<a href="https://pubmed.ncbi.nlm.nih.gov/10679658" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 10679658</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_139_10">Mendenhall WM, Werning JW, Pfister DG: Treatment of head and neck cancer. In: DeVita VT Jr, Lawrence TS, Rosenberg SA: Cancer: Principles and Practice of Oncology. 9th ed. Lippincott Williams & Wilkins, 2011, pp 729-80.</div></li></ol></div></div><div id="CDR0000062922__170"><h2 id="_CDR0000062922__170_">Treatment of Metastatic and Recurrent Laryngeal Cancer</h2><div id="CDR0000062922__650"><h3>Treatment Options for Metastatic and Recurrent Laryngeal Cancer</h3><p id="CDR0000062922__679">Treatment options for metastatic and recurrent laryngeal cancer include:</p><ol id="CDR0000062922__653"><li class="half_rhythm"><div>Surgery [<a class="bk_pop" href="#CDR0000062922_rl_170_1">1</a>] and/or radiation therapy. Salvage is possible for failures of surgery alone or of radiation therapy alone,
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and further surgery [<a class="bk_pop" href="#CDR0000062922_rl_170_1">1</a>] and/or radiation therapy should be attempted, as indicated.
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Selected patients may be candidates for partial laryngectomy after high-dose
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radiation therapy has failed.[<a class="bk_pop" href="#CDR0000062922_rl_170_2">2</a>]</div></li><li class="half_rhythm"><div>Radiation therapy. Re-irradiation for laryngeal salvage
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following radiation therapy failure has resulted in long-term survival in a
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small number of patients; it may be considered for small recurrences after
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radiation therapy, especially in patients who refuse or are not candidates for
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laryngectomy.[<a class="bk_pop" href="#CDR0000062922_rl_170_3">3</a>]</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__655">Chemotherapy</a>. </div></li><li class="half_rhythm"><div><a href="#CDR0000062922__664"> Immunotherapy</a>. <ul id="CDR0000062922__723"><li class="half_rhythm"><div><a href="#CDR0000062922__727">Pembrolizumab</a>.</div></li><li class="half_rhythm"><div><a href="#CDR0000062922__728">Nivolumab</a>.</div></li></ul></div></li><li class="half_rhythm"><div>Clinical trials for patients whose disease does not respond to combined radiation therapy and
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surgery.</div></li></ol><p id="CDR0000062922__654">For more information, see the <a href="#CDR0000062922__66">Treatment Option Overview for Laryngeal Cancer</a> section.</p><div id="CDR0000062922__655"><h4>Chemotherapy</h4><p id="CDR0000062922__656">Platinum-based chemotherapy is often used as first-line treatment for patients with recurrent or metastatic squamous cell carcinoma (SCC) of the head and neck. A response of variable duration may be achieved after
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systemic chemotherapy.[<a class="bk_pop" href="#CDR0000062922_rl_170_4">4</a>]</p><p id="CDR0000062922__657">Evidence (chemotherapy):</p><ol id="CDR0000062922__658"><li class="half_rhythm"><div class="half_rhythm">In a phase III randomized trial of 442 patients with untreated metastatic or recurrent SCC of the head and neck, adding cetuximab to platinum plus fluorouracil (5-FU) compared with platinum plus 5-FU alone improved overall survival (OS), with a median survival of 10.1 months versus 7.4 months (hazard ratio [HR]<sub>death</sub>, 0.80; 95% confidence interval [CI], 0.64–0.99; <i>P</i> = .04).[<a class="bk_pop" href="#CDR0000062922_rl_170_5">5</a>]<ul id="CDR0000062922__659"><li class="half_rhythm"><div>Quality of life was not adversely affected by adding cetuximab to this platinum-based regimen.[<a class="bk_pop" href="#CDR0000062922_rl_170_6">6</a>]</div></li></ul></div><div class="half_rhythm">Tumor <i>EGFR</i> gene copy number was not found to be a predictive biomarker for the efficacy of cetuximab plus platinum and 5-FU as first-line therapy for patients with recurrent or metastatic SCC of the head and neck.[<a class="bk_pop" href="#CDR0000062922_rl_170_7">7</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]</div></li><li class="half_rhythm"><div class="half_rhythm">A phase III, open-label, randomized trial demonstrated improvements in progression-free survival (PFS) for patients who received afatinib compared with patients who received methotrexate.[<a class="bk_pop" href="#CDR0000062922_rl_170_8">8</a>]<ol id="CDR0000062922__661" class="lower-alpha"><li class="half_rhythm"><div>After a median follow-up of 6.7 months, the median PFS was 2.6 months (95% CI, 2.0–2.7) for the afatinib group and 1.7 months (95% CI, 1.5–2.4) for the methotrexate group (HR, 0.80; 95% CI, 0.65–0.98; <i>P</i> = .030). </div></li><li class="half_rhythm"><div>The most frequent grade 3 or grade 4 drug-related adverse events for patients treated with afatinib or methotrexate included: <ul id="CDR0000062922__662"><li class="half_rhythm"><div>Rash or acne (10% for afatinib vs. 0% for methotrexate).</div></li><li class="half_rhythm"><div>Diarrhea (9% for afatinib vs. 2% for methotrexate).</div></li><li class="half_rhythm"><div>Stomatitis (6% for afatinib vs. 8% for methotrexate).</div></li><li class="half_rhythm"><div>Fatigue (6% for afatinib vs. 3% for methotrexate).</div></li><li class="half_rhythm"><div>Neutropenia (<1% for afatinib vs. 7% for methotrexate).</div></li></ul></div></li><li class="half_rhythm"><div>Overall serious adverse events occurred in 14% of patients treated with afatinib and 11% of patients treated with methotrexate.</div></li></ol></div></li></ol></div><div id="CDR0000062922__664"><h4>Immunotherapy</h4><p id="CDR0000062922__724">Immunotherapy (inhibitor of the programmed death-ligand 1 [PD-L1] pathway) can be used after platinum-based failure in patients with metastatic or locally recurrent disease.[<a class="bk_pop" href="#CDR0000062922_rl_170_9">9</a>,<a class="bk_pop" href="#CDR0000062922_rl_170_10">10</a>] </p><div id="CDR0000062922__sm_CDR0000817076_3"><h5><div class="milestone-start" id="CDR0000062922__727"></div>Pembrolizumab</h5><p id="CDR0000062922__sm_CDR0000817076_7">Pembrolizumab is a monoclonal antibody and an inhibitor of the programmed death-1 (PD-1) pathway. Studies have evaluated pembrolizumab in patients with incurable metastatic or recurrent head and neck squamous cell carcinoma (SCC).</p><p id="CDR0000062922__sm_CDR0000817076_8">Evidence (pembrolizumab as first-line therapy):</p><ol id="CDR0000062922__sm_CDR0000817076_9"><li class="half_rhythm"><div class="half_rhythm"><a href="https://www.cancer.gov/clinicaltrials/NCT02358031" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">KEYNOTE-048</a> (<a href="https://clinicaltrials.gov/show/NCT02358031" title="Study NCT02358031" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT02358031</a>) was a nonblinded, randomized, phase III study of participants with untreated locally incurable metastatic or recurrent head and neck SCC that was performed at 200 sites in 37 countries.[<a class="bk_pop" href="#CDR0000062922_rl_170_11">11</a>] A total of 882 patients were randomly assigned in a 1:1:1 ratio to receive pembrolizumab alone (n = 301), pembrolizumab plus a platinum and fluorouracil (5-FU) (pembrolizumab with chemotherapy) (n = 281), or cetuximab plus a platinum and 5-FU (cetuximab with chemotherapy) (n = 300). Investigators, patients, and representatives of the sponsor were masked to the programmed death-ligand 1 (PD-L1) combined positive score (CPS) results; PD-L1 positivity was not required for study entry. A total of 754 patients (85%) had a CPS of 1 or higher and 381 patients (43%) had a CPS of 20 or higher.</div><div class="half_rhythm">The primary end points were overall survival (OS) and progression-free survival (PFS). Progression was defined as radiographically confirmed disease progression or death from any cause, whichever came first, in the intention-to-treat population. <ol id="CDR0000062922__sm_CDR0000817076_16" class="lower-alpha"><li class="half_rhythm"><div>At the second interim analysis, pembrolizumab alone showed improved or noninferior OS compared with cetuximab with chemotherapy. The median OS results were reported as follows:[<a class="bk_pop" href="#CDR0000062922_rl_170_11">11</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>] <ul id="CDR0000062922__sm_CDR0000817076_17"><li class="half_rhythm"><div>Among the population with a CPS of 20 or higher, the median OS was 14.9 months in patients who received pembrolizumab alone and 10.7 months in patients who received cetuximab with chemotherapy (hazard ratio [HR], 0.61; 95% confidence interval [CI], 0.45–0.83; <i>P</i> = .0007).</div></li><li class="half_rhythm"><div> Among the population with a CPS of 1 or higher, the median OS was 12.3 months in patients who received pembrolizumab alone and 10.3 months in patients who received cetuximab with chemotherapy (HR, 0.78; 95% CI, 0.64–0.96; <i>P</i> = .0086).</div></li><li class="half_rhythm"><div>Among the total population, patients who received pembrolizumab alone had noninferior OS (11.6 months) compared with patients who received cetuximab with chemotherapy (10.7 months) (HR, 0.85; 95% CI, 0.71–1.03; <i>P</i> = .0456).</div></li></ul></div></li><li class="half_rhythm"><div> Pembrolizumab with chemotherapy showed improved OS versus cetuximab with chemotherapy. The OS results were reported as follows:<ul id="CDR0000062922__sm_CDR0000817076_18"><li class="half_rhythm"><div>At the second interim analysis, among the total population, the median OS was 13.0 months in patients who received pembrolizumab with chemotherapy and 10.7 months in patients who received cetuximab with chemotherapy (HR, 0.77; 95% CI, 0.63–0.93; <i>P</i> = .0034).</div></li><li class="half_rhythm"><div>At the final analysis, among the population with a CPS of 20 or higher, the median OS was 14.7 months in patients who received pembrolizumab with chemotherapy and 11.0 months in patients who received cetuximab with chemotherapy (HR, 0.60; 95% CI, 0.45–0.82; <i>P</i> = .0004).</div></li><li class="half_rhythm"><div>At the final analysis, among the population with a CPS of 1 or higher, the median OS was 13.6 months in patients who received pembrolizumab with chemotherapy and 10.4 months in patients who received cetuximab with chemotherapy (HR, 0.65; 95% CI, 0.53–0.80; <i>P</i> < .0001).</div></li></ul>
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</div></li><li class="half_rhythm"><div>At the second interim analysis, neither pembrolizumab alone nor pembrolizumab with chemotherapy improved PFS. </div></li><li class="half_rhythm"><div> At the final analysis, grade 3 or higher all-cause adverse events occurred in 164 of 300 patients (55%) in the pembrolizumab-alone group, 235 of 276 patients (85%) who received pembrolizumab with chemotherapy, and 239 of 287 patients (83%) who received cetuximab with chemotherapy. </div></li><li class="half_rhythm"><div> Adverse events led to death in 25 patients (8%) in the pembrolizumab-alone group, 32 patients (12%) who received pembrolizumab with chemotherapy, and 28 patients (10%) who received cetuximab with chemotherapy.</div></li></ol></div></li></ol><p id="CDR0000062922__sm_CDR0000817076_12">Pembrolizumab plus a platinum and 5-FU is an appropriate first-line treatment for patients with metastatic or recurrent head and neck SCC. Pembrolizumab monotherapy is an appropriate first-line treatment for patients with PD-L1–positive metastatic or recurrent head and neck SCC. These results were confirmed at a longer median follow-up of 45 months (interquartile range, 41.0–49.2).[<a class="bk_pop" href="#CDR0000062922_rl_170_12">12</a>]</p><p id="CDR0000062922__sm_CDR0000817076_13">Evidence (pembrolizumab after progression on platinum-based treatment):</p><ol id="CDR0000062922__sm_CDR0000817076_14"><li class="half_rhythm"><div>The phase III <a href="https://www.cancer.gov/clinicaltrials/NCT02252042" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">KEYNOTE-040</a> (<a href="https://clinicaltrials.gov/show/NCT02252042" title="Study NCT02252042" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT02252042</a>) trial included patients with incurable metastatic or recurrent head and neck SCC who had received platinum-based treatment within 3 to 6 months.[<a class="bk_pop" href="#CDR0000062922_rl_170_9">9</a>] Patients were randomly assigned to the pembrolizumab arm (200 mg every 3 weeks [247 patients]) or to the standard therapy arm of the investigator’s choice (methotrexate, docetaxel, or cetuximab [248 patients]). Patients received treatment until progression or toxicity. The maximum duration of pembrolizumab was 24 months. The primary end point was OS in the intention-to-treat population. <ul id="CDR0000062922__sm_CDR0000817076_15"><li class="half_rhythm"><div> The median OS was 8.4 months in the pembrolizumab arm and 6.9 months in the standard therapy arm (HR, 0.80; 95% CI, 0.65–0.98; nominal <i>P</i> = .0161).[<a class="bk_pop" href="#CDR0000062922_rl_170_9">9</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]</div></li><li class="half_rhythm"><div> Pembrolizumab was associated with fewer grade 3 or higher adverse events (pembrolizumab, 13% vs. standard therapy, 36%). The most common treatment-related adverse events were hypothyroidism (13%) in the pembrolizumab arm and fatigue (18%) in the standard therapy arm. </div></li><li class="half_rhythm"><div>In patients who received pembrolizumab, there were four treatment-related deaths resulting from large intestinal perforation, Stevens-Johnson syndrome, and unspecified malignant progression. Two treatment-related deaths in the standard therapy arm resulted from malignant progression and pneumonia. </div></li><li class="half_rhythm"><div> The PD-L1 CPS was 1 or higher in 79% of the patients in the pembrolizumab arm and 77% of the patients in the standard therapy arm. </div></li><li class="half_rhythm"><div> Compared with patients treated with standard therapy, a reduced HR<sub>death</sub> was noted for patients who received pembrolizumab and had PD-1 expression on their tumors or in the tumor microenvironment as noted by a PD-L1 CPS of 1 or higher (HR, 0.74; 95% CI, 0.58–0.93; nominal <i>P</i> = .0049) or a PD-L1 tumor proportion score of 50% or higher (HR, 0.53; 95% CI, 0.35–0.81; nominal <i>P</i> = .0014). <div class="milestone-end"></div></div></li></ul></div></li></ol><div id="CDR0000062922__sm_CDR0000817077_3"><h5><div class="milestone-start" id="CDR0000062922__728"></div>Nivolumab</h5><p id="CDR0000062922__sm_CDR0000817077_7">Nivolumab is a fully human immunoglobulin G4 anti–PD-1 monoclonal antibody.</p><p id="CDR0000062922__sm_CDR0000817077_8">Evidence (nivolumab combined with ipilimumab in patients who have not previously received systemic therapy):</p><ol id="CDR0000062922__sm_CDR0000817077_9"><li class="half_rhythm"><div class="half_rhythm">The <a href="https://www.cancer.gov/clinicaltrials/NCT02741570" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">CheckMate 651</a> trial (<a href="https://clinicaltrials.gov/show/NCT02741570" title="Study NCT02741570" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT02741570</a>) evaluated first-line nivolumab plus ipilimumab versus EXTREME (cetuximab, cisplatin/carboplatin, and 5-FU for up to six cycles followed by cetuximab maintenance) in patients with recurrent or metastatic head and neck SCC.[<a class="bk_pop" href="#CDR0000062922_rl_170_13">13</a>] The primary end points were OS in all randomly assigned patients and patients with a PD-L1 CPS of 20 or higher. Secondary end points included OS in patients with a PD-L1 CPS of 1 or higher and PFS, objective response rate, and duration of response in all randomly assigned patients and patients with a PD-L1 CPS of 20 or higher. <ul id="CDR0000062922__sm_CDR0000817077_10"><li class="half_rhythm"><div> Among all randomly assigned patients, there was no statistically significant difference in OS with nivolumab plus ipilimumab versus EXTREME (median OS, 13.9 vs. 13.5 months; HR, 0.95; 97.9% CI, 0.80–1.13; <i>P</i> = .4951). Among patients with a PD-L1 CPS of 20 or higher, there was also no statistically significant OS difference between the two treatments (median OS, 17.6 vs. 14.6 months; HR, 0.78; 97.51% CI, 0.59–1.03; <i>P</i> = .0469).[<a class="bk_pop" href="#CDR0000062922_rl_170_13">13</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]</div></li><li class="half_rhythm"><div> In patients with a CPS of 1 or higher, the median OS was 15.7 months for patients who received nivolumab plus ipilimumab versus 13.2 months for patients who received EXTREME (HR, 0.82; 95% CI, 0.69–0.97). </div></li><li class="half_rhythm"><div> Among patients with a CPS of 20 or higher, the median PFS was 5.4 months for patients who received nivolumab plus ipilimumab and 7.0 months for patients who received EXTREME. The objective response rate was 34.1% for patients who received nivolumab plus ipilimumab and 36.0% for patients who received EXTREME. </div></li><li class="half_rhythm"><div> Grade 3 or 4 treatment-related adverse events occurred in 28.2% of patients who received nivolumab plus ipilimumab and 70.7% of patients who received EXTREME. </div></li><li class="half_rhythm"><div>CheckMate 651 did not meet its primary end points of OS in the randomly assigned or CPS of 20 or higher populations. </div></li></ul></div><div class="half_rhythm"> The absence of a survival benefit for immune checkpoint inhibitors in this trial was an unexpected outcome, given the similarity of nivolumab to pembrolizumab in the studies of patients with cisplatin-refractory disease.[<a class="bk_pop" href="#CDR0000062922_rl_170_9">9</a>,<a class="bk_pop" href="#CDR0000062922_rl_170_10">10</a>] An editorial accompanying the CheckMate 651 trial analyzed some of the factors that may have contributed to a different result. The editorial suggested that survival in the control group, which was longer than that reported in prior studies, may have been impacted by the greater availability of second-line immunotherapy in the control group (46% in CheckMate 651 compared with 25% in the KEYNOTE-048 trial). The authors also suggested that the coadministration of ipilimumab detracted from the activity of nivolumab, as shown in the CheckMate 714 trial.[<a class="bk_pop" href="#CDR0000062922_rl_170_14">14</a>]</div></li><li class="half_rhythm"><div class="half_rhythm"><a href="https://www.cancer.gov/clinicaltrials/NCT02823574" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">CheckMate 714</a> (<a href="https://clinicaltrials.gov/show/NCT02823574" title="Study NCT02823574" ref="pagearea=body&targetsite=external&targetcat=link&targettype=clinical-trial">NCT02823574</a>), a double-blind phase II trial, evaluated the clinical benefit of first-line nivolumab plus ipilimumab versus nivolumab alone in 425 patients with recurrent or metastatic head and neck SCC.[<a class="bk_pop" href="#CDR0000062922_rl_170_15">15</a>] Patients were randomly assigned in a 2:1 ratio to receive either nivolumab (3 mg/kg intravenously [IV] every 2 weeks) plus ipilimumab (1 mg/kg IV every 6 weeks) or nivolumab (3 mg/kg IV every 2 weeks) plus placebo. Treatment continued for up to 2 years or until disease progression, unacceptable toxic effects, or consent withdrawal. The primary end points were objective response rate and duration of response between treatment arms by blinded independent central review in the population with platinum-refractory recurrent or metastatic disease. These were patients who had recurrent disease less than 6 months after completion of platinum-based chemotherapy (adjuvant or neoadjuvant, or as part of multimodal treatment [chemotherapy, surgery, and/or radiation therapy]). Among the 241 patients (56.7%) with platinum-refractory disease, 159 were assigned to receive nivolumab plus ipilimumab and 82 were assigned to receive nivolumab alone. Among the 184 patients (43.3%) with platinum-eligible disease, 123 were assigned to receive nivolumab plus ipilimumab and 61 were assigned to receive nivolumab alone.[<a class="bk_pop" href="#CDR0000062922_rl_170_15">15</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810031/" class="def">Level of evidence B3</a>]<ul id="CDR0000062922__sm_CDR0000817077_12"><li class="half_rhythm"><div> At primary database lock, the objective response rate in the population with platinum-refractory disease was 13.2% (95% CI, 8.4%–19.5%) with nivolumab plus ipilimumab and 18.3% (95% CI, 10.6%–28.4%) with nivolumab alone (odds ratio, 0.68; 95.5% CI, 0.33–1.43; <i>P</i> = .29). </div></li><li class="half_rhythm"><div> The median duration of response was not reached (NR) in the nivolumab-plus-ipilimumab group (95% CI, 11.0 months–NR) and was 11.1 months (95% CI, 4.1–NR) in the nivolumab-alone group.
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In the population with platinum-eligible disease, the objective response rate was 20.3% (95% CI, 13.6%–28.5%) with nivolumab plus ipilimumab and 29.5% (95% CI, 18.5%–42.6%) with nivolumab alone.
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</div></li><li class="half_rhythm"><div> Among the population with platinum-refractory disease, grade 3 or 4 treatment-related adverse events occurred in 25 of 158 patients (15.8%) who received nivolumab plus ipilimumab and in 12 of 82 patients (14.6%) who received nivolumab alone. Among the population with platinum-eligible disease, grade 3 or 4 treatment-related adverse events occurred in 30 of 122 patients (24.6%) who received nivolumab plus ipilimumab and in 8 of 61 patients (13.1%) who received nivolumab alone.</div></li><li class="half_rhythm"><div>This trial did not meet its primary end point of objective response rate benefit with first-line nivolumab plus ipilimumab versus nivolumab alone in patients with platinum-refractory recurrent or metastatic head and neck SCC. </div></li></ul></div></li></ol><p id="CDR0000062922__sm_CDR0000817077_13">Evidence (nivolumab after progression on platinum-based treatment):</p><ol id="CDR0000062922__sm_CDR0000817077_14"><li class="half_rhythm"><div class="half_rhythm">A phase III open-label trial included 361 patients with recurrent SCC of the head and neck and disease progression within 6 months after platinum-based chemotherapy. Patients were randomly assigned in a 2:1 ratio to receive either nivolumab (at a dose of 3 mg/kg of body weight) every 2 weeks or standard single-agent systemic therapy (methotrexate, docetaxel, or cetuximab). The primary end point was OS.[<a class="bk_pop" href="#CDR0000062922_rl_170_10">10</a>]<ul id="CDR0000062922__sm_CDR0000817077_15"><li class="half_rhythm"><div> The median OS was 7.5 months (95% CI, 5.5–9.1) in the nivolumab group versus 5.1 months (95% CI, 4.0–6.0) in the standard therapy group. OS was statistically significantly longer with nivolumab than with standard therapy (HR<sub>death</sub>, 0.70; 97.73% CI, 0.51–0.96; <i>P</i> = .01). The estimated 1-year survival rate was approximately 19% higher in patients who received nivolumab (36.0%) than in those who received standard therapy (16.6%).[<a class="bk_pop" href="#CDR0000062922_rl_170_10">10</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]</div></li><li class="half_rhythm"><div> There was no statistically significant difference in median PFS between treatment groups. The 6-month PFS rate was 19.7% with nivolumab versus 9.9% with standard therapy. </div></li><li class="half_rhythm"><div> The response rate was 13.3% in the nivolumab group versus 5.8% in the standard therapy group.</div></li><li class="half_rhythm"><div> Grade 3 or 4 treatment-related adverse events occurred in 13.1% of the patients in the nivolumab group compared with 35.1% of the patients in the standard therapy group. </div></li><li class="half_rhythm"><div> Quality-of-life outcomes—including physical, role, and social functioning and pain, sensory, and social contact problems—were stable in the nivolumab group but worse in the standard therapy group. These outcomes were assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire (QLQ) Core Module (QLQ-C30) and the Head and Neck Module (QLQ-H&N35).</div></li><li class="half_rhythm"><div> In the subgroup of patients with a PD-L1 expression level of 1% or higher, the HR<sub>death</sub> among patients treated with nivolumab versus standard therapy was 0.55 (95% CI, 0.36–0.83). In the subgroup of patients with a PD-L1 expression level lower than 1%, the HR was 0.89 (95% CI, 0.54–1.45; <i>P</i> = .17 for interaction).
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</div></li></ul></div></li><li class="half_rhythm"><div class="half_rhythm">A randomized, phase III, superiority study in India evaluated the dose of immune checkpoint inhibitors in the setting of palliative care for patients with advanced head and neck cancer. Low-dose IV nivolumab (20 mg every 3 weeks) was added to a triple metronomic chemotherapy regimen of oral methotrexate (9 mg/m<sup>2</sup> once weekly), celecoxib (200 mg twice daily), and erlotinib (150 mg once daily). Notably, this nivolumab dose is less than 10% of the dose recommended by the U.S. Food and Drug Administration and the European Medicines Agency. A total of 151 patients were randomly assigned to receive either triple metronomic chemotherapy alone (n = 75) or triple metronomic chemotherapy with nivolumab (n = 76). The primary end point was 1-year OS.[<a class="bk_pop" href="#CDR0000062922_rl_170_16">16</a>]<ul id="CDR0000062922__sm_CDR0000817077_16"><li class="half_rhythm"><div> The addition of low-dose nivolumab to triple metronomic chemotherapy improved the 1-year OS rate from 16.3% (95% CI, 8.0%–27.4%) to 43.4% (95% CI, 30.8%–55.3%) (HR, 0.545; 95% CI, 0.362–0.820; <i>P</i> = .0036).[<a class="bk_pop" href="#CDR0000062922_rl_170_16">16</a>][<a href="/books/n/pdqcis/glossary_loe/def-item/glossary_loe_CDR0000810017/" class="def">Level of evidence A1</a>]</div></li><li class="half_rhythm"><div> The median OS was 6.7 months (95% CI, 5.8–8.1) for patients who received triple metronomic chemotherapy alone and 10.1 months (95% CI, 7.4–12.6) for patients who received triple metronomic chemotherapy with nivolumab (<i>P</i> = .0052). </div></li><li class="half_rhythm"><div> The rate of grade 3 or higher adverse events was 50% for patients who received triple metronomic chemotherapy alone and 46.1% for patients who received triple metronomic chemotherapy with nivolumab (<i>P</i> = .744). </div></li></ul></div><div class="half_rhythm">Although the control arm in this study cannot be considered standard care, lower doses of immunotherapy appeared to have some benefit in this setting.<div class="milestone-end"></div>[<a class="bk_pop" href="#CDR0000062922_rl_170_17">17</a>]</div></li></ol><p id="CDR0000062922__677">Salvage after previous combined total laryngectomy and radiation therapy is
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poor.</p></div></div></div></div><div id="CDR0000062922__TrialSearch_170_sid_9"><h3>Current Clinical Trials</h3><p id="CDR0000062922__TrialSearch_170_22">Use our <a href="https://www.cancer.gov/research/participate/clinical-trials-search/advanced" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">advanced clinical trial search</a> to find NCI-supported cancer clinical trials that are now enrolling patients. The search can be narrowed by location of the trial, type of treatment, name of the drug, and other criteria. <a href="https://www.cancer.gov/research/participate/clinical-trials" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">General information</a> about clinical trials is also available.</p></div><div id="CDR0000062922_rl_170"><h3>References</h3><ol><li><div class="bk_ref" id="CDR0000062922_rl_170_1">Wong LY, Wei WI, Lam LK, et al.: Salvage of recurrent head and neck squamous cell carcinoma after primary curative surgery. Head Neck 25 (11): 953-9, 2003. [<a href="https://pubmed.ncbi.nlm.nih.gov/14603456" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 14603456</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_2">Paleri V, Thomas L, Basavaiah N, et al.: Oncologic outcomes of open conservation laryngectomy for radiorecurrent laryngeal carcinoma: a systematic review and meta-analysis of English-language literature. Cancer 117 (12): 2668-76, 2011. [<a href="https://pubmed.ncbi.nlm.nih.gov/21287526" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21287526</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_3">Wang CC, McIntyre J: Re-irradiation of laryngeal carcinoma--techniques and results. Int J Radiat Oncol Biol Phys 26 (5): 783-5, 1993. [<a href="https://pubmed.ncbi.nlm.nih.gov/8344846" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 8344846</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_4">Al-Sarraf M: Head and neck cancer: chemotherapy concepts. Semin Oncol 15 (1): 70-85, 1988. [<a href="https://pubmed.ncbi.nlm.nih.gov/3278391" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 3278391</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_5">Vermorken JB, Mesia R, Rivera F, et al.: Platinum-based chemotherapy plus cetuximab in head and neck cancer. N Engl J Med 359 (11): 1116-27, 2008. [<a href="https://pubmed.ncbi.nlm.nih.gov/18784101" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 18784101</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_6">Mesía R, Rivera F, Kawecki A, et al.: Quality of life of patients receiving platinum-based chemotherapy plus cetuximab first line for recurrent and/or metastatic squamous cell carcinoma of the head and neck. Ann Oncol 21 (10): 1967-73, 2010. [<a href="/pmc/articles/PMC2946862/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC2946862</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/20335368" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 20335368</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_7">Licitra L, Mesia R, Rivera F, et al.: Evaluation of EGFR gene copy number as a predictive biomarker for the efficacy of cetuximab in combination with chemotherapy in the first-line treatment of recurrent and/or metastatic squamous cell carcinoma of the head and neck: EXTREME study. Ann Oncol 22 (5): 1078-87, 2011. [<a href="/pmc/articles/PMC3082162/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC3082162</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/21048039" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 21048039</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_8">Machiels JP, Haddad RI, Fayette J, et al.: Afatinib versus methotrexate as second-line treatment in patients with recurrent or metastatic squamous-cell carcinoma of the head and neck progressing on or after platinum-based therapy (LUX-Head & Neck 1): an open-label, randomised phase 3 trial. Lancet Oncol 16 (5): 583-94, 2015. [<a href="https://pubmed.ncbi.nlm.nih.gov/25892145" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 25892145</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_9">Cohen EEW, Soulières D, Le Tourneau C, et al.: Pembrolizumab versus methotrexate, docetaxel, or cetuximab for recurrent or metastatic head-and-neck squamous cell carcinoma (KEYNOTE-040): a randomised, open-label, phase 3 study. Lancet 393 (10167): 156-167, 2019. [<a href="https://pubmed.ncbi.nlm.nih.gov/30509740" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 30509740</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_10">Ferris RL, Blumenschein G, Fayette J, et al.: Nivolumab for Recurrent Squamous-Cell Carcinoma of the Head and Neck. N Engl J Med 375 (19): 1856-1867, 2016. [<a href="/pmc/articles/PMC5564292/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC5564292</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/27718784" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 27718784</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_11">Burtness B, Harrington KJ, Greil R, et al.: Pembrolizumab alone or with chemotherapy versus cetuximab with chemotherapy for recurrent or metastatic squamous cell carcinoma of the head and neck (KEYNOTE-048): a randomised, open-label, phase 3 study. Lancet 394 (10212): 1915-1928, 2019. [<a href="https://pubmed.ncbi.nlm.nih.gov/31679945" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 31679945</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_12">Harrington KJ, Burtness B, Greil R, et al.: Pembrolizumab With or Without Chemotherapy in Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma: Updated Results of the Phase III KEYNOTE-048 Study. J Clin Oncol 41 (4): 790-802, 2023. [<a href="/pmc/articles/PMC9902012/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC9902012</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/36219809" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 36219809</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_13">Haddad RI, Harrington K, Tahara M, et al.: Nivolumab Plus Ipilimumab Versus EXTREME Regimen as First-Line Treatment for Recurrent/Metastatic Squamous Cell Carcinoma of the Head and Neck: The Final Results of CheckMate 651. J Clin Oncol 41 (12): 2166-2180, 2023. [<a href="/pmc/articles/PMC10115555/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC10115555</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/36473143" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 36473143</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_14">Burtness B: First-Line Nivolumab Plus Ipilimumab in Recurrent/Metastatic Head and Neck Cancer-What Happened? J Clin Oncol 41 (12): 2134-2137, 2023. [<a href="https://pubmed.ncbi.nlm.nih.gov/36877893" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 36877893</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_15">Harrington KJ, Ferris RL, Gillison M, et al.: Efficacy and Safety of Nivolumab Plus Ipilimumab vs Nivolumab Alone for Treatment of Recurrent or Metastatic Squamous Cell Carcinoma of the Head and Neck: The Phase 2 CheckMate 714 Randomized Clinical Trial. JAMA Oncol 9 (6): 779-789, 2023. [<a href="/pmc/articles/PMC10080406/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC10080406</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/37022706" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 37022706</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_16">Patil VM, Noronha V, Menon N, et al.: Low-Dose Immunotherapy in Head and Neck Cancer: A Randomized Study. J Clin Oncol 41 (2): 222-232, 2023. [<a href="https://pubmed.ncbi.nlm.nih.gov/36265101" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 36265101</span></a>]</div></li><li><div class="bk_ref" id="CDR0000062922_rl_170_17">Mitchell AP, Goldstein DA: Cost Savings and Increased Access With Ultra-Low-Dose Immunotherapy. J Clin Oncol 41 (2): 170-172, 2023. [<a href="/pmc/articles/PMC9839306/" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pmc">PMC free article<span class="bk_prnt">: PMC9839306</span></a>] [<a href="https://pubmed.ncbi.nlm.nih.gov/36265102" ref="pagearea=cite-ref&targetsite=entrez&targetcat=link&targettype=pubmed">PubMed<span class="bk_prnt">: 36265102</span></a>]</div></li></ol></div></div><div id="CDR0000062922__200"><h2 id="_CDR0000062922__200_">Latest Updates to This Summary (11/25/2024)</h2><p id="CDR0000062922__201">The PDQ cancer information summaries are reviewed regularly and updated as new information becomes available. This section describes the latest changes made to this summary as of the date above.</p><p id="CDR0000062922__729">Editorial changes were made to this summary.</p><p id="CDR0000062922__disclaimerHP_3">This summary is written and maintained by the <a href="https://www.cancer.gov/publications/pdq/editorial-boards/adult-treatment" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">PDQ Adult Treatment Editorial Board</a>, which is
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editorially independent of NCI. The summary reflects an independent review of
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the literature and does not represent a policy statement of NCI or NIH. More
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information about summary policies and the role of the PDQ Editorial Boards in
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maintaining the PDQ summaries can be found on the <a href="#CDR0000062922__AboutThis_1">About This PDQ Summary</a> and <a href="https://www.cancer.gov/publications/pdq" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">PDQ® Cancer Information for Health Professionals</a> pages.
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</p></div><div id="CDR0000062922__AboutThis_1"><h2 id="_CDR0000062922__AboutThis_1_">About This PDQ Summary</h2><div id="CDR0000062922__AboutThis_2"><h3>Purpose of This Summary</h3><p id="CDR0000062922__AboutThis_3">This PDQ cancer information summary for health professionals provides comprehensive, peer-reviewed, evidence-based information about the treatment of adult laryngeal cancer. It is intended as a resource to inform and assist clinicians in the care of their patients. It does not provide formal guidelines or recommendations for making health care decisions.</p></div><div id="CDR0000062922__AboutThis_4"><h3>Reviewers and Updates</h3><p id="CDR0000062922__AboutThis_5">This summary is reviewed regularly and updated as necessary by the <a href="https://www.cancer.gov/publications/pdq/editorial-boards/adult-treatment" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">PDQ Adult Treatment Editorial Board</a>, which is editorially independent of the National Cancer Institute (NCI). The summary reflects an independent review of the literature and does not represent a policy statement of NCI or the National Institutes of Health (NIH).</p><p id="CDR0000062922__AboutThis_22"> Board members review recently published articles each month to determine whether an article should:</p><ul id="CDR0000062922__AboutThis_6"><li class="half_rhythm"><div>be discussed at a meeting,</div></li><li class="half_rhythm"><div>be cited with text, or</div></li><li class="half_rhythm"><div>replace or update an existing article that is already cited.</div></li></ul><p id="CDR0000062922__AboutThis_7">Changes to the summaries are made through a consensus process in which Board members evaluate the strength of the evidence in the published articles and determine how the article should be included in the summary.</p><p>The lead reviewers for Laryngeal Cancer Treatment are:</p><ul><li class="half_rhythm"><div>Andrea Bonetti, MD (Azienda ULSS 9 of the Veneto Region)</div></li><li class="half_rhythm"><div>Monaliben Patel, MD (University of Rochester Medical Center)</div></li><li class="half_rhythm"><div>Minh Tam Truong, MD (Boston University Medical Center)</div></li></ul><p id="CDR0000062922__AboutThis_9">Any comments or questions about the summary content should be submitted to Cancer.gov through the NCI website's <a href="https://www.cancer.gov/contact/email-us" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">Email Us</a>. Do not contact the individual Board Members with questions or comments about the summaries. Board members will not respond to individual inquiries.</p></div><div id="CDR0000062922__AboutThis_10"><h3>Levels of Evidence</h3><p id="CDR0000062922__AboutThis_11">Some of the reference citations in this summary are accompanied by a level-of-evidence designation. These designations are intended to help readers assess the strength of the evidence supporting the use of specific interventions or approaches. The PDQ Adult Treatment Editorial Board uses a <a href="/books/n/pdqcis/CDR0000062796/">formal evidence ranking system</a> in developing its level-of-evidence designations.</p></div><div id="CDR0000062922__AboutThis_12"><h3>Permission to Use This Summary</h3><p id="CDR0000062922__AboutThis_13">PDQ is a registered trademark. Although the content of PDQ documents can be used freely as text, it cannot be identified as an NCI PDQ cancer information summary unless it is presented in its entirety and is regularly updated. However, an author would be permitted to write a sentence such as “NCI’s PDQ cancer information summary about breast cancer prevention states the risks succinctly: [include excerpt from the summary].”</p><p id="CDR0000062922__AboutThis_14">The preferred citation for this PDQ summary is:</p><p id="CDR0000062922__AboutThis_15">PDQ® Adult Treatment Editorial Board. PDQ Laryngeal Cancer Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: <a href="https://www.cancer.gov/types/head-and-neck/hp/adult/laryngeal-treatment-pdq" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">https://www.cancer.gov/types/head-and-neck/hp/adult/laryngeal-treatment-pdq</a>. Accessed <MM/DD/YYYY>. [PMID: 26389189]</p><p id="CDR0000062922__AboutThis_16">Images in this summary are used with permission of the author(s), artist, and/or publisher for use within the PDQ summaries only. Permission to use images outside the context of PDQ information must be obtained from the owner(s) and cannot be granted by the National Cancer Institute. Information about using the illustrations in this summary, along with many other cancer-related images, is available in <a href="https://visualsonline.cancer.gov/" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">Visuals Online</a>, a collection of over 2,000 scientific images.
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</p></div><div id="CDR0000062922__AboutThis_17"><h3>Disclaimer</h3><p id="CDR0000062922__AboutThis_18">Based on the strength of the available evidence, treatment options may be described as either “standard” or “under clinical evaluation.” These classifications should not be used as a basis for insurance reimbursement determinations. More information on insurance coverage is available on Cancer.gov on the <a href="https://www.cancer.gov/about-cancer/managing-care" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">Managing Cancer Care</a> page.</p></div><div id="CDR0000062922__AboutThis_20"><h3>Contact Us</h3><p id="CDR0000062922__AboutThis_21">More information about contacting us or receiving help with the Cancer.gov website can be found on our <a href="https://www.cancer.gov/contact" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">Contact Us for Help</a> page. Questions can also be submitted to Cancer.gov through the website’s <a href="https://www.cancer.gov/contact/email-us" ref="pagearea=body&targetsite=external&targetcat=link&targettype=uri">Email Us</a>.</p></div></div></div></div>
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