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</div><div><span>Mastectomy</span></div></div>
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</a><h1 class="with-also" itemprop="name">Mastectomy</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>A mastectomy is surgery to remove the breast tissue. Some of the skin and the nipple may also be removed. The surgery is most often done to treat <a test="test" href="./000913.htm">breast cancer</a>.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Description</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><p>Before surgery begins, you will be given <a test="test" href="./007410.htm">general anesthesia</a>. This means you will be asleep and pain-free during surgery.</p><p>There are different types of mastectomies. Which one your surgeon performs depends on the type of breast problem you have. Most of the time, mastectomy is done to treat breast cancer. However, it is sometimes done to prevent cancer (prophylactic mastectomy).</p><p>The surgeon will make a cut in your breast and perform one of these operations:</p><ul><li>Nipple-sparing mastectomy: The surgeon removes your entire breast, but leaves the nipple and areola (the colored circle around the nipple) in place. If you have cancer, the surgeon may do a biopsy of lymph nodes in the underarm area to see if the cancer has spread.</li><li>Skin-sparing mastectomy: The surgeon removes your breast with the nipple and areola with minimal skin removal. If you have cancer, the surgeon may do a biopsy of lymph nodes in the underarm area to see if the cancer has spread.</li><li>Total or simple mastectomy: The surgeon removes your entire breast along with the nipple and areola. If you have cancer, the surgeon may do a <a test="test" href="./007432.htm">biopsy</a> of lymph nodes in the underarm area to see if the cancer has spread.</li><li>Modified radical mastectomy: The surgeon removes your entire breast with the nipple and areolar along with some of the lymph nodes underneath the arm.</li><li>Radical mastectomy: The surgeon removes your entire breast with the nipple and areola along with the skin over your breast, all of the lymph nodes underneath the arm, and the skin is then closed with sutures (stitches).</li></ul><p>One or two small plastic drains or tubes are very often left in your chest to remove extra fluid from where the breast tissue used to be.</p><p>A plastic surgeon may be able to begin reconstruction of your breast during the same operation. You may also choose to have breast reconstruction at a later time. If you have reconstruction, a skin- or nipple-sparing mastectomy may be an option. </p><p>Mastectomy will take about 2 to 3 hours.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Why the Procedure is Performed</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>WOMEN DIAGNOSED WITH BREAST CANCER</p><p>The most common reason for a mastectomy is breast cancer.</p><p>If you are diagnosed with breast cancer, <a test="test" href="../patientinstructions/000253.htm">talk to your health care provider about your choices</a>:</p><ul><li><a test="test" href="./002918.htm">Lumpectomy</a> is when only the breast cancer and tissue around the cancer are removed. This is also called breast conservation therapy or partial mastectomy. Most of your breast will be left.</li><li>Mastectomy is when all breast tissue is removed. </li></ul><p>You and your provider should consider:</p><ul><li>The size and location of your tumor</li><li>Skin involvement of the tumor</li><li>How many tumors there are in your breast</li><li>How much of your breast is affected</li><li>The size of your breast</li><li>Your age</li><li>Medical history that may exclude you from breast conservation (this may include prior breast radiation and certain medical conditions)</li><li>Family history</li><li>Your general health and whether you have reached menopause </li></ul><p>You and the providers who are treating your breast cancer will decide together which option is right for you.</p><p>WOMEN AT HIGH RISK FOR BREAST CANCER</p><p>Women who have a very high risk of developing breast cancer may choose to have a preventive (or prophylactic) mastectomy to reduce the risk of breast cancer. </p><p>You may be more likely to get breast cancer if one or more close family relatives has had the disease, especially at an early age. Genetic tests (such as BRCA1 or BRCA2) may help show that you have a high risk. However, even with a normal genetic test, you may still be at high risk for breast cancer, depending on other factors. It may be useful to meet with a genetic counselor to assess your level of risk.</p><p>Prophylactic mastectomy should be done only after very careful thought and discussion with your doctor, a genetic counselor, your family, and loved ones.</p><p>Mastectomy greatly reduces the risk for breast cancer, but does not eliminate it.</p><p>You may decide to have a mastectomy based on your personal preference for a given condition. You and your provider will discuss the pros and cons of this decision.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Risks</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Scabbing, blistering, wound opening, seroma, or skin loss along the edge of the surgical cut or within the skin flaps may occur.</p><p>Risks:</p><ul><li>Shoulder pain and stiffness. You may also feel pins and needles where your breast used to be and underneath the arm.</li><li>Swelling of your arm (called <a test="test" href="./001117.htm">lymphedema</a>) on the same side as your breast that is removed. This swelling is not common, but it can be an ongoing problem.</li><li>Damage to nerves that go to the muscles of the arm, back, and chest wall. </li><li>Loss of sensation of the skin of your chest wall.</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Before the Procedure</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>You may have blood and imaging tests (such as <a test="test" href="./003330.htm">CT scan</a>, <a test="test" href="./003833.htm">bone scan</a>, <a test="test" href="./003804.htm">PET scan</a>) after your provider finds breast cancer. This is done to determine if the cancer has spread outside of the breast and lymph nodes under the arm. These tests are not needed if you have early stage breast cancer.</p><p>Always tell your provider if:</p><ul><li>You could be pregnant</li><li>You are taking any medicines or herbs or supplements you bought without a prescription</li><li>You smoke </li></ul><p>During the week before the surgery:</p><ul><li>Several days before your surgery, you may be asked to stop taking aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve, Naprosyn), vitamin E, clopidogrel (Plavix), warfarin (Coumadin), and any other medicines that make it hard for your blood to clot.</li><li>Ask which medicines you should still take on the day of the surgery. </li></ul><p>On the day of the surgery:</p><ul><li>Follow instructions from your surgeon or nurse about eating or drinking before surgery.</li><li>Take the medicines you have been told to take with a small sip of water. </li></ul><p>You will be told when to arrive at the hospital. Be sure to arrive on time.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>After the Procedure</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>Most women stay in the hospital for 24 to 48 hours <a test="test" href="../patientinstructions/000244.htm">after a mastectomy</a>, though some women may be able to go home the day of surgery. Your length of stay will depend on the type of surgery you had. Many women go home with drainage tubes still in their chest after mastectomy. The drains will be removed later during an office visit. A nurse will teach you how to look after the drain, or you might be able to have a home care nurse help you.</p><p>You may have pain around the site of your cut after surgery. The pain is worst in the first few days after surgery and then goes away over a period of several weeks. You will receive pain medicines during your hospital stay. Talk with your surgeon about medicines to take for pain after surgery.</p><p>Fluid may collect in the area of your mastectomy after all the drains are removed. This is called a seroma. It most often goes away on its own, but it may need to be drained using a needle (aspiration).</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>Most women recover well after mastectomy.</p><p>In addition to surgery, you may need other treatments for breast cancer. If hormonal therapy or <a test="test" href="./002324.htm">chemotherapy</a> are indicated, you will meet with a medical oncologist. If <a test="test" href="./001918.htm">radiation therapy</a> is recommended, you will meet with a radiation oncologist.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Breast removal surgery; Subcutaneous mastectomy; Nipple sparing mastectomy; Total mastectomy; Skin sparing mastectomy; Simple mastectomy; Modified radical mastectomy; Breast cancer - mastectomy</p></div></div></section><section><div class="section sec-mb"><div class="section-header"><div class="section-title"><h2>Patient Instructions</h2></div><div class="section-button"><button type="submit" aria-controls="section-carepnt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div name="Patient Instructions" class="section-body" id="section-carepnt"><ul class="side-nav"><li><a href="../patientinstructions/000012.htm">After chemotherapy - discharge</a></li>
<li><a href="../patientinstructions/000056.htm">Breast external beam radiation - discharge</a></li>
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<li><a href="../patientinstructions/000035.htm">Eating extra calories when sick - adults</a></li>
<li><a href="../patientinstructions/000045.htm">Lymphedema - self-care</a></li>
<li><a href="../patientinstructions/000253.htm">Mastectomy and breast reconstruction - what to ask your doctor</a></li>
<li><a href="../patientinstructions/000244.htm">Mastectomy - discharge </a></li>
<li><a href="../patientinstructions/000047.htm">Oral mucositis - self-care</a></li>
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</ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Davidson NE. Breast cancer and benign breast disorders. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 183.</p><p>Henry NL, Shah PD, Haider I, Freer PE, Jagsi R, Sabel MS. Cancer of the breast. In: Niederhuber JE, Armitage JO, Kastan MB, Doroshow JH, Tepper JE, eds. <em>Abeloff's Clinical Oncology</em>. 6th ed. Philadelphia, PA: Elsevier; 2020:chap 88.</p><p>Klimberg VS, Hunt KH. Diseases of the breast. In: Townsend CM Jr, Beauchamp RD, Evers BM, Mattox KL, eds. <em>Sabiston Textbook of Surgery</em>. 21st ed. Philadelphia, PA: Elsevier; 2022:chap 35.</p><p>Macmillan RD. Mastectomy. In: Dixon JM, Barber MD, eds. <em>Breast Surgery: A Companion to Specialist Surgical Practice.</em> 7th ed. Philadelphia, PA: Elsevier; 2024:112-121.</p><p>National Comprehensive Cancer Network website. NCCN clinical practice guidelines in oncology: breast cancer. Version 2.2024. <a href="https://www.nccn.org/professionals/physician_gls/pdf/breast.pdf" target="_blank">www.nccn.org/professionals/physician_gls/pdf/breast.pdf</a>. Updated March 11, 2024. Accessed March 26, 2024.</p></div></div></section>
<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 3/11/2023</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Debra G. Wechter, MD, FACS, General Surgery Practice Specializing in Breast Cancer, Virginia Mason Medical Center, Seattle, WA. Internal review and update on 02/04/2024 by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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