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<meta name="keywords" content="C4310645, disease or syndrome, mfm8, myofibrillar myopathy (disease) caused by mutation in pyroxd1, myofibrillar myopathy 8, myopathy, myofibrillar, 8, myopathy, myofibrillar, type 8, pyroxd1, pyroxd1 myofibrillar myopathy (disease), autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="Myofibrillar myopathy-8 (MFM8) is an autosomal recessive myopathy characterized by slowly progressive proximal muscle weakness and atrophy affecting the upper and lower limbs, resulting in increased falls, gait problems, difficulty running or climbing stairs, and upper limb weakness or scapular winging. Some patients develop distal muscle weakness and atrophy. The phenotype may also be consistent with a clinical diagnosis of limb-girdle muscular dystrophy (LGMD). Age at symptom onset ranges from infancy to adulthood. Ambulation is generally preserved and cardiac involvement is rare, but respiratory compromise with decreased forced vital capacity often occurs. Muscle biopsy shows a mix of myopathic features, including myofibrillar inclusions and sarcomeric disorganization; some patients have been reported to have dystrophic changes on muscle biopsy (O'Grady et al., 2016; Daimaguler et al., 2021). There is significant phenotypic variation, even in patients with the same mutation, which must be taken into account when counseling affecting individuals (Woods et al., 2020).&#13; For a general phenotypic description and a discussion of genetic heterogeneity of myofibrillar myopathy, see MFM1 (601419)." /><meta name="robots" content="index,nofollow,noarchive" />
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<!--
UID=934612
ConceptID=C4310645
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Myofibrillar myopathy 8<span class="h1sub">(MFM8)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934612</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">C4310645</span></a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
<td>MFM8; MYOPATHY, MYOFIBRILLAR, 8</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td><a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#target-gene-loc">Gene (location):<img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a><div class="display-none" id="target-gene-loc">
Gene(s) directly associated with<br />
this condition or phenotype.</div></td>
<td><a target="_blank" title="PYROXD1 - ID: 79912 - NCBI Gene" href="/gene/79912" class="medgenPMinfo">PYROXD1</a> (12p12.1)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0014993" target="_blank">MONDO:0014993</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/617258" target="_blank">617258</a></td></tr>
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<div class="portlet mgSection" id="ID_100">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">Myofibrillar myopathy-8 (MFM8) is an autosomal recessive myopathy characterized by slowly progressive proximal muscle weakness and atrophy affecting the upper and lower limbs, resulting in increased falls, gait problems, difficulty running or climbing stairs, and upper limb weakness or scapular winging. Some patients develop distal muscle weakness and atrophy. The phenotype may also be consistent with a clinical diagnosis of limb-girdle muscular dystrophy (LGMD). Age at symptom onset ranges from infancy to adulthood. Ambulation is generally preserved and cardiac involvement is rare, but respiratory compromise with decreased forced vital capacity often occurs. Muscle biopsy shows a mix of myopathic features, including myofibrillar inclusions and sarcomeric disorganization; some patients have been reported to have dystrophic changes on muscle biopsy (O'Grady et al., 2016; Daimaguler et al., 2021). There is significant phenotypic variation, even in patients with the same mutation, which must be taken into account when counseling affecting individuals (Woods et al., 2020).&#13; For a general phenotypic description and a discussion of genetic heterogeneity of myofibrillar myopathy, see MFM1 (601419). [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</div>
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<div class="portlet mgSection" id="ID_102">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_features">Clinical features</h1><a sid="102" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln clinfeat"><strong>From HPO</strong><br />
<div class="divPopper rprt" id="clin_42034"><div><strong>Pes planus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>42034</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0016202</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A foot where the longitudinal arch of the foot is in contact with the ground or floor when the individual is standing; or, in a patient lying supine, a foot where the arch is in contact with the surface of a flat board pressed against the sole of the foot by the examiner with a pressure similar to that expected from weight bearing; or, the height of the arch is reduced.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/42034">Feature record</a> | <a href="/medgen?term=%22Pes%20planus%22%5BClinical%20Features%5D%20OR%2042034%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66822"><div><strong>Scapular winging</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66822</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0240953</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Abnormal protrusion of the scapula away from the surface of the back.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66822">Feature record</a> | <a href="/medgen?term=%22Scapular%20winging%22%5BClinical%20Features%5D%20OR%2066822%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107956"><div><strong>Limb muscle weakness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107956</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0587246</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduced strength and weakness of the muscles of the arms and legs.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107956">Feature record</a> | <a href="/medgen?term=%22Limb%20muscle%20weakness%22%5BClinical%20Features%5D%20OR%20107956%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_675590"><div><strong>Pes cavus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>675590</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0728829</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">An increase in height of the medial longitudinal arch of the foot that does not flatten on weight bearing (i.e., a distinctly hollow form of the sole of the foot when it is bearing weight).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/675590">Feature record</a> | <a href="/medgen?term=%22Pes%20cavus%22%5BClinical%20Features%5D%20OR%20675590%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_7670"><div><strong>Mitral regurgitation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>7670</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0026266</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">An abnormality of the mitral valve characterized by insufficiency or incompetence of the mitral valve resulting in retrograde leaking of blood through the mitral valve upon ventricular contraction.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/7670">Feature record</a> | <a href="/medgen?term=%22Mitral%20regurgitation%22%5BClinical%20Features%5D%20OR%207670%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_69137"><div><strong>Tall stature</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>69137</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0241240</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A height above that which is expected according to age and gender norms.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/69137">Feature record</a> | <a href="/medgen?term=%22Tall%20stature%22%5BClinical%20Features%5D%20OR%2069137%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_41440"><div><strong>Dysphagia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>41440</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0011168</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Difficulty in swallowing.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/41440">Feature record</a> | <a href="/medgen?term=%22Dysphagia%22%5BClinical%20Features%5D%20OR%2041440%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_115943"><div><strong>Areflexia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>115943</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0234146</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Absence of neurologic reflexes such as the knee-jerk reaction.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/115943">Feature record</a> | <a href="/medgen?term=%22Areflexia%22%5BClinical%20Features%5D%20OR%20115943%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_195967"><div><strong>Hyporeflexia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>195967</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0700078</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduction of neurologic reflexes such as the knee-jerk reaction.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/195967">Feature record</a> | <a href="/medgen?term=%22Hyporeflexia%22%5BClinical%20Features%5D%20OR%20195967%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_373253"><div><strong>Easy fatigability</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>373253</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1837098</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased susceptibility to fatigue.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/373253">Feature record</a> | <a href="/medgen?term=%22Easy%20fatigability%22%5BClinical%20Features%5D%20OR%20373253%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_44428"><div><strong>Micrognathia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>44428</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0025990</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Developmental hypoplasia of the mandible.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/44428">Feature record</a> | <a href="/medgen?term=%22Micrognathia%22%5BClinical%20Features%5D%20OR%2044428%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_11348"><div><strong>Scoliosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>11348</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0036439</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">The presence of an abnormal lateral curvature of the spine.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/11348">Feature record</a> | <a href="/medgen?term=%22Scoliosis%22%5BClinical%20Features%5D%20OR%2011348%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_57735"><div><strong>Muscle weakness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>57735</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0151786</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduced strength of muscles.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/57735">Feature record</a> | <a href="/medgen?term=%22Muscle%20weakness%22%5BClinical%20Features%5D%20OR%2057735%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_113169"><div><strong>Proximal muscle weakness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>113169</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0221629</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A lack of strength of the proximal muscles.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/113169">Feature record</a> | <a href="/medgen?term=%22Proximal%20muscle%20weakness%22%5BClinical%20Features%5D%20OR%20113169%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_65865"><div><strong>Gowers sign</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>65865</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0234182</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A phenomenon whereby patients are not able to stand up without the use of the hands owing to weakness of the proximal muscles of the lower limbs.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/65865">Feature record</a> | <a href="/medgen?term=%22Gowers%20sign%22%5BClinical%20Features%5D%20OR%2065865%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_68676"><div><strong>Difficulty climbing stairs</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>68676</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0239067</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduced ability to climb stairs.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/68676">Feature record</a> | <a href="/medgen?term=%22Difficulty%20climbing%20stairs%22%5BClinical%20Features%5D%20OR%2068676%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66808"><div><strong>Neck muscle weakness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66808</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0240479</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Decreased strength of the neck musculature.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66808">Feature record</a> | <a href="/medgen?term=%22Neck%20muscle%20weakness%22%5BClinical%20Features%5D%20OR%2066808%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_98052"><div><strong>Achilles tendon contracture</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98052</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0410264</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">A contracture of the Achilles tendon.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/98052">Feature record</a> | <a href="/medgen?term=%22Achilles%20tendon%20contracture%22%5BClinical%20Features%5D%20OR%2098052%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_108251"><div><strong>Difficulty running</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>108251</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0560346</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduced ability to run.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/108251">Feature record</a> | <a href="/medgen?term=%22Difficulty%20running%22%5BClinical%20Features%5D%20OR%20108251%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_163408"><div><strong>Frequent falls</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>163408</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0850703</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove nowrap">See: <a href="/medgen/163408">Feature record</a> | <a href="/medgen?term=%22Frequent%20falls%22%5BClinical%20Features%5D%20OR%20163408%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_234650"><div><strong>Generalized amyotrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>234650</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1389113</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Generalized (diffuse, unlocalized) amyotrophy (muscle atrophy) affecting multiple muscles.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/234650">Feature record</a> | <a href="/medgen?term=%22Generalized%20amyotrophy%22%5BClinical%20Features%5D%20OR%20234650%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_330782"><div><strong>Centrally nucleated skeletal muscle fibers</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>330782</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1842170</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormality in which the nuclei of sarcomeres take on an abnormally central localization (or in which this feature is found in an increased proportion of muscle cells).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/330782">Feature record</a> | <a href="/medgen?term=%22Centrally%20nucleated%20skeletal%20muscle%20fibers%22%5BClinical%20Features%5D%20OR%20330782%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_336793"><div><strong>Joint hypermobility</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>336793</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1844820</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">The capability that a joint (or a group of joints) has to move, passively and/or actively, beyond normal limits along physiological axes.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/336793">Feature record</a> | <a href="/medgen?term=%22Joint%20hypermobility%22%5BClinical%20Features%5D%20OR%20336793%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_376894"><div><strong>Distal joint hypermobility</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376894</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1850851</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Lack of stability of a distal joint (e.g., finger).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/376894">Feature record</a> | <a href="/medgen?term=%22Distal%20joint%20hypermobility%22%5BClinical%20Features%5D%20OR%20376894%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_346721"><div><strong>Spinal rigidity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>346721</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1858025</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Reduced ability to move the vertebral column with a resulting limitation of neck and trunk flexion.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/346721">Feature record</a> | <a href="/medgen?term=%22Spinal%20rigidity%22%5BClinical%20Features%5D%20OR%20346721%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_356345"><div><strong>Joint contracture of the 5th finger</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>356345</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1865702</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Chronic loss of joint motion in the 5th finger due to structural changes in non-bony tissue. The term camptodactyly of the 5th finger is used if the distal and/or proximal interphalangeal joints are affected.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/356345">Feature record</a> | <a href="/medgen?term=%22Joint%20contracture%20of%20the%205th%20finger%22%5BClinical%20Features%5D%20OR%20356345%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_781174"><div><strong>Pectus excavatum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>781174</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2051831</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A defect of the chest wall characterized by a depression of the sternum, giving the chest ("pectus") a caved-in ("excavatum") appearance.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/781174">Feature record</a> | <a href="/medgen?term=%22Pectus%20excavatum%22%5BClinical%20Features%5D%20OR%20781174%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_412209"><div><strong>Neonatal hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>412209</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2267233</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Muscular hypotonia (abnormally low muscle tone) manifesting in the neonatal period.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/412209">Feature record</a> | <a href="/medgen?term=%22Neonatal%20hypotonia%22%5BClinical%20Features%5D%20OR%20412209%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_814369"><div><strong>Nemaline bodies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>814369</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3808039</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Nemaline rods are abnormal bodies that can occur in skeletal muscle fibers. The rods can be observed on histological analysis of muscle biopsy tissue or upon electron microscopy, where they appear either as extensions of sarcomeric Z-lines, in random array without obvious attachment to Z-lines (often in areas devoid of sarcomeres) or in large clusters localized at the sarcolemma or intermyofibrillar spaces.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/814369">Feature record</a> | <a href="/medgen?term=%22Nemaline%20bodies%22%5BClinical%20Features%5D%20OR%20814369%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_868176"><div><strong>Central core regions in muscle fibers</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>868176</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4022568</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">The presence of disorganized areas called cores in the center of muscle fibers. There is a typical appearance of the biopsy on light microscopy, where the muscle cells have cores that are devoid of mitochondria and specific enzymes. Cores are typically well demarcated and centrally located, but may occasionally be multiple and of eccentric.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/868176">Feature record</a> | <a href="/medgen?term=%22Central%20core%20regions%20in%20muscle%20fibers%22%5BClinical%20Features%5D%20OR%20868176%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_141657"><div><strong>Reduced vital capacity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141657</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0476408</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormal reduction on the vital capacity, which is defined as the total lung capacity (volume of air in the lungs at maximal inflation) less the residual volume (i.e., volume of air in the lungs following maximal exhalation) of the lung.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/141657">Feature record</a> | <a href="/medgen?term=%22Reduced%20vital%20capacity%22%5BClinical%20Features%5D%20OR%20141657%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_756211"><div><strong>Recurrent lower respiratory tract infections</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>756211</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3163798</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">An increased susceptibility to lower respiratory tract infections as manifested by a history of recurrent lower respiratory tract infections.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/756211">Feature record</a> | <a href="/medgen?term=%22Recurrent%20lower%20respiratory%20tract%20infections%22%5BClinical%20Features%5D%20OR%20756211%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_478856"><div><strong>Restrictive ventilatory defect</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>478856</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C3277226</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A functional defect characterized by reduced total lung capacity (TLC) not associated with abnormalities of expiratory airflow or airway resistance. Spirometrically, a restrictive defect is defined as FEV1 (forced expiratory volume in 1 second) and FVC (forced vital capacity) less than 80 per cent. Restrictive lung disease may be caused by alterations in lung parenchyma or because of a disease of the pleura, chest wall, or neuromuscular apparatus.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/478856">Feature record</a> | <a href="/medgen?term=%22Restrictive%20ventilatory%20defect%22%5BClinical%20Features%5D%20OR%20478856%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_69128"><div><strong>Elevated circulating creatine kinase concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>69128</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0241005</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An elevation of the level of the enzyme creatine kinase (also known as creatine phosphokinase (CK; EC 2.7.3.2) in the blood. CK levels can be elevated in a number of clinical disorders such as myocardial infarction, rhabdomyolysis, and muscular dystrophy.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/69128">Feature record</a> | <a href="/medgen?term=%22Elevated%20circulating%20creatine%20kinase%20concentration%22%5BClinical%20Features%5D%20OR%2069128%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_99115"><div><strong>Hypernasal speech</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>99115</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0454555</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A type of speech characterized by the presence of an abnormally increased nasal airflow during speech associated with structural abnormality of the nasal passages.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/99115">Feature record</a> | <a href="/medgen?term=%22Hypernasal%20speech%22%5BClinical%20Features%5D%20OR%2099115%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_9869"><div><strong>Dental malocclusion</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>9869</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0024636</a></dd><dt><span class="dotprefix"></span></dt><dd>Anatomical Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Dental malocclusion refers to an abnormality of the occlusion, or alignment, of the teeth and the way the upper and lower teeth fit together, resulting in overcrowding of teeth or in abnormal bite patterns.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/9869">Feature record</a> | <a href="/medgen?term=%22Dental%20malocclusion%22%5BClinical%20Features%5D%20OR%209869%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66779"><div><strong>Impaired mastication</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66779</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0239043</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormal reduction in the ability to masticate (chew), i.e., in the ability to crush and ground food in preparation for swallowing.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66779">Feature record</a> | <a href="/medgen?term=%22Impaired%20mastication%22%5BClinical%20Features%5D%20OR%2066779%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66814"><div><strong>High palate</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66814</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0240635</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66814">Feature record</a> | <a href="/medgen?term=%22High%20palate%22%5BClinical%20Features%5D%20OR%2066814%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_90695"><div><strong>Myopathic facies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>90695</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0332615</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A facial appearance characteristic of myopathic conditions. The face appears expressionless with sunken cheeks, bilateral ptosis, and inability to elevate the corners of the mouth, due to muscle weakness.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/90695">Feature record</a> | <a href="/medgen?term=%22Myopathic%20facies%22%5BClinical%20Features%5D%20OR%2090695%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_324419"><div><strong>Long face</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324419</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1836047</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Facial height (length) is more than 2 standard deviations above the mean (objective); or, an apparent increase in the height (length) of the face (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/324419">Feature record</a> | <a href="/medgen?term=%22Long%20face%22%5BClinical%20Features%5D%20OR%20324419%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_2287"><div><strong>Ptosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>2287</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0005745</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">The upper eyelid margin is positioned 3 mm or more lower than usual and covers the superior portion of the iris (objective); or, the upper lid margin obscures at least part of the pupil (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/2287">Feature record</a> | <a href="/medgen?term=%22Ptosis%22%5BClinical%20Features%5D%20OR%202287%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_4613"><div><strong>Exotropia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>4613</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0015310</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A form of strabismus with one or both eyes deviated outward.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/4613">Feature record</a> | <a href="/medgen?term=%22Exotropia%22%5BClinical%20Features%5D%20OR%204613%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormality of head or neck</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_9869" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dental malocclusion</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66814" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">High palate</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66779" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Impaired mastication</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_324419" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Long face</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_90695" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Myopathic facies</a></span></li></ul></li><li><span class="TLline">Abnormality of limbs</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107956" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Limb muscle weakness</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_675590" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pes cavus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_42034" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pes planus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66822" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Scapular winging</a></span></li></ul></li><li><span class="TLline">Abnormality of metabolism/homeostasis</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_69128" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Elevated circulating creatine kinase concentration</a></span></li></ul></li><li><span class="TLline">Abnormality of the cardiovascular system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_7670" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitral regurgitation</a></span></li></ul></li><li><span class="TLline">Abnormality of the digestive system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_41440" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dysphagia</a></span></li></ul></li><li><span class="TLline">Abnormality of the eye</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_4613" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exotropia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_2287" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ptosis</a></span></li></ul></li><li><span class="TLline">Abnormality of the musculoskeletal system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_98052" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Achilles tendon contracture</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_868176" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Central core regions in muscle fibers</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_330782" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Centrally nucleated skeletal muscle fibers</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_68676" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Difficulty climbing stairs</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_108251" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Difficulty running</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_376894" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Distal joint hypermobility</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_163408" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Frequent falls</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_234650" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized amyotrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_65865" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gowers sign</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_356345" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joint contracture of the 5th finger</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_336793" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Joint hypermobility</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_44428" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Micrognathia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_57735" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Muscle weakness</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66808" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neck muscle weakness</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_814369" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nemaline bodies</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_412209" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neonatal hypotonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_781174" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pectus excavatum</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_113169" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Proximal muscle weakness</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_11348" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Scoliosis</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_346721" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinal rigidity</a></span></li></ul></li><li><span class="TLline">Abnormality of the nervous system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_115943" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Areflexia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_373253" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Easy fatigability</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_195967" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyporeflexia</a></span></li></ul></li><li><span class="TLline">Abnormality of the respiratory system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_756211" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Recurrent lower respiratory tract infections</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_141657" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Reduced vital capacity</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_478856" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Restrictive ventilatory defect</a></span></li></ul></li><li><span class="TLline">Abnormality of the voice</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_99115" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypernasal speech</a></span></li></ul></li><li><span class="TLline">Growth abnormality</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_69137" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tall stature</a></span></li></ul></li></ul></div></div>
</div>
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
<div class="portlet mgSection" id="ID_103">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
<div class="nl"><a target="_blank" href="/pubmed/39102614">Clinical, Histopathologic, and Genetic Features of Patients With Myofibrillary and Distal Myopathies: Experience From the Italian Network.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Bortolani S,
Savarese M,
Vattemi G,
Bonanno S,
Falzone YM,
Pugliese A,
Primiano G,
Sancricca C,
Lopergolo D,
Greco G,
Gemelli C,
Ravaglia S,
Bencivenga RP,
Velardo D,
Magri F,
Valentino ML,
Cheli M,
Torchia E,
Lucchini M,
Petrucci A,
Ricci G,
Garibaldi M,
Astrea G,
Rubegni A,
Angelini CI,
Ariatti A,
Santorelli FM,
Ruggieri A,
Antonini G,
Siciliano G,
Filosto M,
Mirabella M,
Liguori R,
Comi GP,
Ruggiero L,
Grandis M,
Massa R,
Malandrini A,
Servidei S,
Mongini TE,
Rodolico C,
Toscano A,
Previtali SC,
Tonin P,
Diaz-Manera J,
Monforte M,
Ricci E,
Maggi L,
Tasca G</span><br />
<span class="medgenPMjournal">Neurology</span>
2024 Aug 27;103(4):e209697.
Epub 2024 Aug 5
doi: 10.1212/WNL.0000000000209697.
<span class="bold">PMID: </span><a href="/pubmed/39102614" target="_blank">39102614</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33367878">Polymyositis: is there anything left? A retrospective diagnostic review from a tertiary myositis centre.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Loarce-Martos J,
Lilleker JB,
Parker M,
McHugh N,
Chinoy H</span><br />
<span class="medgenPMjournal">Rheumatology (Oxford)</span>
2021 Jul 1;60(7):3398-3403.
doi: 10.1093/rheumatology/keaa801.
<span class="bold">PMID: </span><a href="/pubmed/33367878" target="_blank">33367878</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29924655">Genetic Mutations and Demographic, Clinical, and Morphological Aspects of Myofibrillar Myopathy in a French Cohort.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Carvalho AAS,
Lacene E,
Brochier G,
Labasse C,
Madelaine A,
Silva VGD,
Corazzini R,
Papadopoulos K,
Behin A,
Laforêt P,
Stojkovic T,
Eymard B,
Fardeau M,
Romero N</span><br />
<span class="medgenPMjournal">Genet Test Mol Biomarkers</span>
2018 Jun;22(6):374-383.
doi: 10.1089/gtmb.2018.0004.
<span class="bold">PMID: </span><a href="/pubmed/29924655" target="_blank">29924655</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29350766">Untangling the complexity of limb-girdle muscular dystrophies.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Liewluck T,
Milone M</span><br />
<span class="medgenPMjournal">Muscle Nerve</span>
2018 Aug;58(2):167-177.
Epub 2018 Feb 7
doi: 10.1002/mus.26077.
<span class="bold">PMID: </span><a href="/pubmed/29350766" target="_blank">29350766</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21676617">Clinical and myopathological evaluation of early- and late-onset subtypes of myofibrillar myopathy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Olivé M,
Odgerel Z,
Martínez A,
Poza JJ,
Bragado FG,
Zabalza RJ,
Jericó I,
Gonzalez-Mera L,
Shatunov A,
Lee HS,
Armstrong J,
Maraví E,
Arroyo MR,
Pascual-Calvet J,
Navarro C,
Paradas C,
Huerta M,
Marquez F,
Rivas EG,
Pou A,
Ferrer I,
Goldfarb LG</span><br />
<span class="medgenPMjournal">Neuromuscul Disord</span>
2011 Aug;21(8):533-42.
Epub 2011 Jun 14
doi: 10.1016/j.nmd.2011.05.002.
<span class="bold">PMID: </span><a href="/pubmed/21676617" target="_blank">21676617</a><a href="/pmc/articles/PMC5148150" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Myofibrillar%20myopathy%208%22%20AND%20Etiology%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (9)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/39102614">Clinical, Histopathologic, and Genetic Features of Patients With Myofibrillary and Distal Myopathies: Experience From the Italian Network.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Bortolani S,
Savarese M,
Vattemi G,
Bonanno S,
Falzone YM,
Pugliese A,
Primiano G,
Sancricca C,
Lopergolo D,
Greco G,
Gemelli C,
Ravaglia S,
Bencivenga RP,
Velardo D,
Magri F,
Valentino ML,
Cheli M,
Torchia E,
Lucchini M,
Petrucci A,
Ricci G,
Garibaldi M,
Astrea G,
Rubegni A,
Angelini CI,
Ariatti A,
Santorelli FM,
Ruggieri A,
Antonini G,
Siciliano G,
Filosto M,
Mirabella M,
Liguori R,
Comi GP,
Ruggiero L,
Grandis M,
Massa R,
Malandrini A,
Servidei S,
Mongini TE,
Rodolico C,
Toscano A,
Previtali SC,
Tonin P,
Diaz-Manera J,
Monforte M,
Ricci E,
Maggi L,
Tasca G</span><br />
<span class="medgenPMjournal">Neurology</span>
2024 Aug 27;103(4):e209697.
Epub 2024 Aug 5
doi: 10.1212/WNL.0000000000209697.
<span class="bold">PMID: </span><a href="/pubmed/39102614" target="_blank">39102614</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33367878">Polymyositis: is there anything left? A retrospective diagnostic review from a tertiary myositis centre.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Loarce-Martos J,
Lilleker JB,
Parker M,
McHugh N,
Chinoy H</span><br />
<span class="medgenPMjournal">Rheumatology (Oxford)</span>
2021 Jul 1;60(7):3398-3403.
doi: 10.1093/rheumatology/keaa801.
<span class="bold">PMID: </span><a href="/pubmed/33367878" target="_blank">33367878</a></div>
<div class="nl"><a target="_blank" href="/pubmed/32005492">Myopathies presenting with head drop: Clinical spectrum and treatment outcomes.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Alhammad RM,
Naddaf E</span><br />
<span class="medgenPMjournal">Neuromuscul Disord</span>
2020 Feb;30(2):128-136.
Epub 2019 Dec 12
doi: 10.1016/j.nmd.2019.12.001.
<span class="bold">PMID: </span><a href="/pubmed/32005492" target="_blank">32005492</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29924655">Genetic Mutations and Demographic, Clinical, and Morphological Aspects of Myofibrillar Myopathy in a French Cohort.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Carvalho AAS,
Lacene E,
Brochier G,
Labasse C,
Madelaine A,
Silva VGD,
Corazzini R,
Papadopoulos K,
Behin A,
Laforêt P,
Stojkovic T,
Eymard B,
Fardeau M,
Romero N</span><br />
<span class="medgenPMjournal">Genet Test Mol Biomarkers</span>
2018 Jun;22(6):374-383.
doi: 10.1089/gtmb.2018.0004.
<span class="bold">PMID: </span><a href="/pubmed/29924655" target="_blank">29924655</a></div>
<div class="nl"><a target="_blank" href="/pubmed/27376776">Proteomic profiling of muscle fibre type shifting in neuromuscular diseases.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Dowling P,
Murphy S,
Ohlendieck K</span><br />
<span class="medgenPMjournal">Expert Rev Proteomics</span>
2016 Aug;13(8):783-99.
Epub 2016 Jul 25
doi: 10.1080/14789450.2016.1209416.
<span class="bold">PMID: </span><a href="/pubmed/27376776" target="_blank">27376776</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Myofibrillar%20myopathy%208%22%20AND%20Diagnosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (18)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/33367878">Polymyositis: is there anything left? A retrospective diagnostic review from a tertiary myositis centre.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Loarce-Martos J,
Lilleker JB,
Parker M,
McHugh N,
Chinoy H</span><br />
<span class="medgenPMjournal">Rheumatology (Oxford)</span>
2021 Jul 1;60(7):3398-3403.
doi: 10.1093/rheumatology/keaa801.
<span class="bold">PMID: </span><a href="/pubmed/33367878" target="_blank">33367878</a></div>
<div class="nl"><a target="_blank" href="/pubmed/23639843">Differential proteomic analysis of abnormal intramyoplasmic aggregates in desminopathy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Maerkens A,
Kley RA,
Olivé M,
Theis V,
van der Ven PF,
Reimann J,
Milting H,
Schreiner A,
Uszkoreit J,
Eisenacher M,
Barkovits K,
Güttsches AK,
Tonillo J,
Kuhlmann K,
Meyer HE,
Schröder R,
Tegenthoff M,
Fürst DO,
Müller T,
Goldfarb LG,
Vorgerd M,
Marcus K</span><br />
<span class="medgenPMjournal">J Proteomics</span>
2013 Sep 2;90:14-27.
Epub 2013 Apr 30
doi: 10.1016/j.jprot.2013.04.026.
<span class="bold">PMID: </span><a href="/pubmed/23639843" target="_blank">23639843</a><a href="/pmc/articles/PMC5120880" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Myofibrillar%20myopathy%208%22%20AND%20Therapy%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (2)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/39102614">Clinical, Histopathologic, and Genetic Features of Patients With Myofibrillary and Distal Myopathies: Experience From the Italian Network.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Bortolani S,
Savarese M,
Vattemi G,
Bonanno S,
Falzone YM,
Pugliese A,
Primiano G,
Sancricca C,
Lopergolo D,
Greco G,
Gemelli C,
Ravaglia S,
Bencivenga RP,
Velardo D,
Magri F,
Valentino ML,
Cheli M,
Torchia E,
Lucchini M,
Petrucci A,
Ricci G,
Garibaldi M,
Astrea G,
Rubegni A,
Angelini CI,
Ariatti A,
Santorelli FM,
Ruggieri A,
Antonini G,
Siciliano G,
Filosto M,
Mirabella M,
Liguori R,
Comi GP,
Ruggiero L,
Grandis M,
Massa R,
Malandrini A,
Servidei S,
Mongini TE,
Rodolico C,
Toscano A,
Previtali SC,
Tonin P,
Diaz-Manera J,
Monforte M,
Ricci E,
Maggi L,
Tasca G</span><br />
<span class="medgenPMjournal">Neurology</span>
2024 Aug 27;103(4):e209697.
Epub 2024 Aug 5
doi: 10.1212/WNL.0000000000209697.
<span class="bold">PMID: </span><a href="/pubmed/39102614" target="_blank">39102614</a></div>
<div class="nl"><a target="_blank" href="/pubmed/32005492">Myopathies presenting with head drop: Clinical spectrum and treatment outcomes.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Alhammad RM,
Naddaf E</span><br />
<span class="medgenPMjournal">Neuromuscul Disord</span>
2020 Feb;30(2):128-136.
Epub 2019 Dec 12
doi: 10.1016/j.nmd.2019.12.001.
<span class="bold">PMID: </span><a href="/pubmed/32005492" target="_blank">32005492</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31215171">A novel homozygous initiation codon variant associated with infantile alpha-Bcrystallinopathy in a Chinese family.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ma K,
Luo D,
Tian T,
Li N,
He X,
Rao C,
Zhong B,
Lu X</span><br />
<span class="medgenPMjournal">Mol Genet Genomic Med</span>
2019 Aug;7(8):e825.
Epub 2019 Jun 18
doi: 10.1002/mgg3.825.
<span class="bold">PMID: </span><a href="/pubmed/31215171" target="_blank">31215171</a><a href="/pmc/articles/PMC6687638" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/31024060">Recessive DES cardio/myopathy without myofibrillar aggregates: intronic splice variant silences one allele leaving only missense L190P-desmin.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Riley LG,
Waddell LB,
Ghaoui R,
Evesson FJ,
Cummings BB,
Bryen SJ,
Joshi H,
Wang MX,
Brammah S,
Kritharides L,
Corbett A,
MacArthur DG,
Cooper ST</span><br />
<span class="medgenPMjournal">Eur J Hum Genet</span>
2019 Aug;27(8):1267-1273.
Epub 2019 Apr 25
doi: 10.1038/s41431-019-0393-6.
<span class="bold">PMID: </span><a href="/pubmed/31024060" target="_blank">31024060</a><a href="/pmc/articles/PMC6777463" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21337604">Infantile muscular dystrophy in Canadian aboriginals is an αB-crystallinopathy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Del Bigio MR,
Chudley AE,
Sarnat HB,
Campbell C,
Goobie S,
Chodirker BN,
Selcen D</span><br />
<span class="medgenPMjournal">Ann Neurol</span>
2011 May;69(5):866-71.
Epub 2011 Feb 18
doi: 10.1002/ana.22331.
<span class="bold">PMID: </span><a href="/pubmed/21337604" target="_blank">21337604</a><a href="/pmc/articles/PMC3085857" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Myofibrillar%20myopathy%208%22%20AND%20Prognosis%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (5)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/35850946">Transcriptome analysis from muscle biopsy tissues in late-onset myopathies identifies potential biomarkers correlating to muscle pathology.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Joel MM,
Pontifex C,
Martens K,
Chhibber S,
de Koning J,
Pfeffer G</span><br />
<span class="medgenPMjournal">Neuromuscul Disord</span>
2022 Aug;32(8):643-653.
Epub 2022 Apr 29
doi: 10.1016/j.nmd.2022.04.009.
<span class="bold">PMID: </span><a href="/pubmed/35850946" target="_blank">35850946</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33030392">Metformin rescues muscle function in BAG3 myofibrillar myopathy models.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ruparelia AA,
McKaige EA,
Williams C,
Schulze KE,
Fuchs M,
Oorschot V,
Lacene E,
Meregalli M,
Lee C,
Serrano RJ,
Baxter EC,
Monro K,
Torrente Y,
Ramm G,
Stojkovic T,
Lavoie JN,
Bryson-Richardson RJ</span><br />
<span class="medgenPMjournal">Autophagy</span>
2021 Sep;17(9):2494-2510.
Epub 2020 Oct 19
doi: 10.1080/15548627.2020.1833500.
<span class="bold">PMID: </span><a href="/pubmed/33030392" target="_blank">33030392</a><a href="/pmc/articles/PMC8496720" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/28488683">Progressive hereditary spastic paraplegia caused by a homozygous KY mutation.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Yogev Y,
Perez Y,
Noyman I,
Madegem AA,
Flusser H,
Shorer Z,
Cohen E,
Kachko L,
Michaelovsky A,
Birk R,
Koifman A,
Drabkin M,
Wormser O,
Halperin D,
Kadir R,
Birk OS</span><br />
<span class="medgenPMjournal">Eur J Hum Genet</span>
2017 Aug;25(8):966-972.
Epub 2017 May 10
doi: 10.1038/ejhg.2017.85.
<span class="bold">PMID: </span><a href="/pubmed/28488683" target="_blank">28488683</a><a href="/pmc/articles/PMC5567152" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22199023">Myofibrillar myopathy caused by a mutation in the motor domain of mouse MyHC IIb.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kurapati R,
McKenna C,
Lindqvist J,
Williams D,
Simon M,
LeProust E,
Baker J,
Cheeseman M,
Carroll N,
Denny P,
Laval S,
Lochmüller H,
Ochala J,
Blanco G</span><br />
<span class="medgenPMjournal">Hum Mol Genet</span>
2012 Apr 15;21(8):1706-24.
Epub 2011 Dec 23
doi: 10.1093/hmg/ddr605.
<span class="bold">PMID: </span><a href="/pubmed/22199023" target="_blank">22199023</a></div>
<div class="nl"><a target="_blank" href="/pubmed/8627346">Myofibrillar myopathy with abnormal foci of desmin positivity. I. Light and electron microscopy analysis of 10 cases.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Nakano S,
Engel AG,
Waclawik AJ,
Emslie-Smith AM,
Busis NA</span><br />
<span class="medgenPMjournal">J Neuropathol Exp Neurol</span>
1996 May;55(5):549-62.
doi: 10.1097/00005072-199605000-00008.
<span class="bold">PMID: </span><a href="/pubmed/8627346" target="_blank">8627346</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Myofibrillar%20myopathy%208%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (10)</a></div></div>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C4310645%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (12)</a></li>
<li><a href="/gtr/tests?term=C4310645%5bDISCUI%5d&amp;filter=method%3A2%5F18" target="_blank">Mutation scanning of select exons (1)</a></li>
<li><a href="/gtr/tests?term=C4310645%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (15)</a></li>
<li><a href="/gtr/tests?term=C4310645%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (7)</a></li>
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