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<!--
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UID=266071
|
||
ConceptID=C1263857
|
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-->
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<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Peripheral axonal neuropathy</div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>266071</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) Click for more information.">C1263857</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonym:</td>
|
||
<td>Axonal neuropathy</td></tr>
|
||
<tr><td><span class="bold">SNOMED CT: </span></td>
|
||
<td>Peripheral axonal neuropathy (128208007)</td></tr>
|
||
<tr><td colspan="2" class="small"> </td></tr><tr><td>HPO:</td>
|
||
<td><a target="_blank" title="Human Phenotype Ontology" href="https://hpo.jax.org/app/browse/term/HP:0003477">HP:0003477</a></td></tr>
|
||
<tr><td>Monarch Initiative:</td>
|
||
<td><a href="https://monarchinitiative.org/disease/MONDO:0004183" target="_blank">MONDO:0004183</a></td></tr>
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<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>
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||
<div class="portlet_content ln">An abnormality characterized by disruption of the normal functioning of peripheral axons. [from <a title="Human Phenotype Ontology" href="http://www.human-phenotype-ontology.org" class="defSource" target="_blank">HPO</a>]</div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Term_Hierarchy">Term Hierarchy</h1><a sid="118" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="portlet_content ln HierarchyGTR"><div class="jig-ncbitabs"><ul><li><a href="#tabGTR">GTR</a></li><li><a href="#tabMGEN">MeSH</a></li></ul><div id="tabGTR"><div class="search_result"><div class="rprts"><div class="chiclet_legend"><span class="chiclet_list" style="position:static;"><span title="Clinical test" class="chiclet Ccolor round">C</span><span>Clinical test, </span><span title="Research test" class="chiclet Rcolor round">R</span><span>Research test, </span><span title="OMIM" class="chiclet Ocolor ">O</span><span>OMIM, </span><span title="GeneReview" class="chiclet Gcolor">G</span><span><em>GeneReviews</em>, </span><span title="ClinVar" class="chiclet Vcolor">V</span><span>ClinVar </span></span></div><div id="hierarchy" class="margin_t1"><div class="ds_tree"><ul><li class="matched_ds"><span class="chiclet_list"><span class="chiclet Ccolor round" title="Clinical test"><a target="_blank" href="/gtr/tests/?term=C1263857[DISCUI]&test_type=Clinical" ref="ncbi_uid=266071">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet unavailable" title="OMIM">O</span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&from_uid=266071" ref="ncbi_uid=266071">V</a></span></span><span class="TLline">Peripheral axonal neuropathy</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/871309" ref="tree=MeSH" title="MedGen record for Abnormality of prenatal development or birth">Abnormality of prenatal development or birth</a></span><ul><li><span class="TLline"><a href="/medgen/1254" ref="tree=MeSH" title="MedGen record for Fetal anomaly">Fetal anomaly</a></span><ul><li><span class="TLline"><a href="/medgen/474891" ref="tree=MeSH" title="MedGen record for Congenital Systemic Disorder">Congenital Systemic Disorder</a></span><ul><li><span class="TLline"><a href="/medgen/105425" ref="tree=MeSH" title="MedGen record for Abnormality of the nervous system">Abnormality of the nervous system</a></span><ul><li><span class="TLline"><a href="/medgen/868417" ref="tree=MeSH" title="MedGen record for Abnormal nervous system physiology">Abnormal nervous system physiology</a></span><ul><li><span class="TLline"><a href="/medgen/18386" ref="tree=MeSH" title="MedGen record for Peripheral neuropathy">Peripheral neuropathy</a></span><ul><li><span class="matched_ds">Peripheral axonal neuropathy</span><ul><li><span class="TLline"><a href="/medgen/867220" ref="tree=MeSH" title="MedGen record for Chronic axonal neuropathy">Chronic axonal neuropathy</a></span></li><li><span class="TLline"><a href="/medgen/413108" ref="tree=MeSH" title="MedGen record for Motor axonal neuropathy">Motor axonal neuropathy</a></span></li><li><span class="TLline"><a href="/medgen/334116" ref="tree=MeSH" title="MedGen record for Sensory axonal neuropathy">Sensory axonal neuropathy</a></span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div></div></div>
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<div class="portlet mgSection" id="ID_112">
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Conditions_with_this_feature">Conditions with this feature</h1><a sid="112" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
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<div class="portlet_content ln clinfeat">
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||
<div class="divPopper rprt" id="rdis_7349"><div><strong>Multiple symmetric lipomatosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>7349</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) Click for more information.">C0023804</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Multiple symmetric lipomatosis (MSL) is an autosomal recessive metabolic disorder characterized by the growth of unencapsulated masses of adipose tissue with predilection for the cervical and thoracic regions. The lipoma growth is striking and disfiguring, and growth around the neck may cause difficulty swallowing or breathing. The age at onset ranges from childhood to young adulthood. Most, but not all, patients develop axonal peripheral neuropathy, which can appear at any age and varies in severity. Laboratory studies in MSL show low leptin (164160), low adiponectin (605441), variably increased lactate, and increased FGF21 (609436). Some patients may have insulin resistance. The disorder is exclusively associated with a particular MFN2 mutation (R707W; 608507.0013), usually in the homozygous state, but sometimes in the compound heterozygous state (Rocha et al., 2017; Capel et al., 2018).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/7349">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_52644"><div><strong>Tangier disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>52644</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) Click for more information.">C0039292</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Tangier disease is characterized by severe deficiency or absence of high-density lipoprotein (HDL) in the circulation resulting in tissue accumulation of cholesteryl esters throughout the body, particularly in the reticuloendothelial system. The major clinical signs of Tangier disease include hyperplastic yellow-orange tonsils, hepatosplenomegaly, and peripheral neuropathy, which may be either relapsing-remitting or chronic progressive in nature. Rarer complications may include corneal opacities that typically do not affect vision, premature atherosclerotic coronary artery disease occurring in the sixth and seventh decades of life (not usually before age 40 years), and mild hematologic manifestations, such as mild thrombocytopenia, reticulocytosis, stomatocytosis, or hemolytic anemia. The clinical expression of Tangier disease is variable, with some affected individuals only showing biochemical perturbations.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/52644">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_82699"><div><strong>Metatropic dysplasia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>82699</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) Click for more information.">C0265281</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
|
||
<div class="spaceAbove">The autosomal dominant TRPV4 disorders (previously considered to be clinically distinct phenotypes before their molecular basis was discovered) are now grouped into neuromuscular disorders and skeletal dysplasias; however, the overlap within each group is considerable. Affected individuals typically have either neuromuscular or skeletal manifestations alone, and in only rare instances an overlap syndrome has been reported. The three autosomal dominant neuromuscular disorders (mildest to most severe) are: Charcot-Marie-Tooth disease type 2C. Scapuloperoneal spinal muscular atrophy. Congenital distal spinal muscular atrophy. The autosomal dominant neuromuscular disorders are characterized by a congenital-onset, static, or later-onset progressive peripheral neuropathy with variable combinations of laryngeal dysfunction (i.e., vocal fold paresis), respiratory dysfunction, and joint contractures. The six autosomal dominant skeletal dysplasias (mildest to most severe) are: Familial digital arthropathy-brachydactyly. Autosomal dominant brachyolmia. Spondylometaphyseal dysplasia, Kozlowski type. Spondyloepiphyseal dysplasia, Maroteaux type. Parastremmatic dysplasia. Metatropic dysplasia. The skeletal dysplasia is characterized by brachydactyly (in all 6); the five that are more severe have short stature that varies from mild to severe with progressive spinal deformity and involvement of the long bones and pelvis. In the mildest of the autosomal dominant TRPV4 disorders life span is normal; in the most severe it is shortened. Bilateral progressive sensorineural hearing loss (SNHL) can occur with both autosomal dominant neuromuscular disorders and skeletal dysplasias.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/82699">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_98277"><div><strong>Chorea-acanthocytosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98277</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) Click for more information.">C0393576</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">VPS13A disease, caused by VPS13A loss-of-function pathogenic variants, is characterized by a spectrum of movement disorders (chorea, dystonia, tics, sometimes parkinsonism); predominant orofacial choreic and dystonic movements and tics (with involuntary tongue protrusion on attempted swallowing, habitual tongue and lip biting resulting in self-mutilation, involuntary vocalizations); dysarthria and dysphagia; psychiatric, cognitive, and behavioral changes ("frontal lobe type"); seizures; and progressive neuromuscular involvement. Huntingtonism (triad of progressive movement disorder and cognitive and behavioral alterations) is a typical presentation. Phenotypic variability is considerable even within the same family, including for monozygotic twins. Mean age of onset is about 30 years. VPS13A disease runs a chronic progressive course and may lead to major disability within a few years. Some affected individuals are bedridden or wheelchair dependent by the third decade. Age at death ranges from 28 to 61 years; several instances of sudden unexplained death or death during epileptic seizures have been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/98277">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_162893"><div><strong>Agenesis of the corpus callosum with peripheral neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>162893</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) Click for more information.">C0795950</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary motor and sensory neuropathy with agenesis of the corpus callosum (HMSN/ACC), a neurodevelopmental and neurodegenerative disorder, is characterized by severe progressive sensorimotor neuropathy with resulting hypotonia, areflexia, and amyotrophy, and by variable degrees of dysgenesis of the corpus callosum. Mild-to-severe intellectual disability and "psychotic episodes" during adolescence are observed. Sensory modalities are moderately to severely affected beginning in infancy. The average age of onset of walking is 3.8 years; the average age of loss of walking is 13.8 years; the average age of death is 33 years.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/162893">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_266149"><div><strong>Cardio-facio-cutaneous syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>266149</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) Click for more information.">C1275081</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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<div class="spaceAbove">Cardiofaciocutaneous (CFC) syndrome is characterized by cardiac abnormalities (pulmonic stenosis and other valve dysplasias, septal defects, hypertrophic cardiomyopathy, rhythm disturbances), distinctive craniofacial appearance, and cutaneous abnormalities (including xerosis, hyperkeratosis, ichthyosis, keratosis pilaris, ulerythema ophryogenes, eczema, pigmented moles, hemangiomas, and palmoplantar hyperkeratosis). The hair is typically sparse, curly, fine or thick, and woolly or brittle; eyelashes and eyebrows may be absent or sparse. Nails may be dystrophic or fast growing. Affected individuals typically have some form of neurologic and/or cognitive delay (ranging from mild to severe). Most individuals have severe feeding issues, which can contribute to poor growth, and many require nasogastric or gastrostomy tube feeding. Many affected individuals have eye findings, including strabismus, nystagmus, refractive errors, and optic nerve hypoplasia. Seizures may be present and can be refractory to therapy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/266149">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_318633"><div><strong>Cerebellar ataxia-areflexia-pes cavus-optic atrophy-sensorineural hearing loss syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>318633</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) Click for more information.">C1832466</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">ATP1A3-related disorder consists of heterogenous overlapping clinical findings that pertain to the four most common historically defined phenotypes: alternating hemiplegia of childhood (AHC); cerebellar ataxia, areflexia, pes cavus, optic atrophy, sensorineural hearing loss (CAPOS) syndrome; relapsing encephalopathy with cerebellar ataxia (RECA) / fever-induced paroxysmal weakness and encephalopathy (FIPWE); and rapid-onset dystonia-parkinsonism (RDP). These phenotypes exist on a spectrum and should be regarded as classifications of convenience. AHC is characterized by onset prior to age 18 months of paroxysmal hemiplegic episodes, predominately involving the limbs and/or the whole body, lasting from minutes to hours to days (and sometimes weeks) with remission only during sleep, only to resume after awakening. Although paroxysmal episodic neurologic dysfunction predominates early in the disease course, with age increasingly persistent neurologic dysfunction predominates, including oculomotor apraxia and strabismus, dysarthria, speech and language delay, developmental delay, and impairment in social skills. Other system involvement may include cardiovascular (cardiac conduction abnormalities) and gastrointestinal (constipation, vomiting, anorexia, diarrhea, nausea, and abdominal pain) manifestations. CAPOS syndrome presents in infancy or childhood (usually ages 6 months to 5 years) with cerebellar ataxia during or after a fever. The acute febrile encephalopathy may include hypotonia, flaccidity, nystagmus, strabismus, dysarthria/anarthria, lethargy, loss of consciousness, and even coma. Usually, considerable recovery occurs within days to weeks; however, persistence of some degree of ataxia and other manifestations is typical. RECA/FIPWE primarily presents with fever-induced episodes (infancy to age 5 years); however, first episodes can occur occasionally in young adults during illnesses such as mononucleosis. Recurrent fever-induced episodes may be ataxia-dominated RECA-like motor manifestations or FIPWE-like non-motor manifestations (encephalopathy) and can vary among affected individuals. Notably, RECA-like and FIPWE-like manifestations can occur in the same individual in different episodes. In some individuals episodes seem to decrease in frequency and severity over time, whereas others might experience worsening of manifestations. RDP presents in individuals ages 18 months to 60 years and older with dystonia that is typically of abrupt onset over hours to several weeks, though some individuals report gradual onset over the course of months. A stress-related trigger is identifiable in up to 75% of individuals. Dystonia rarely improves significantly after onset; some individuals report mild improvement over time, whereas others can experience subsequent episodes of abrupt worsening months to years after onset. Limbs are usually the first to be affected, although by the time of diagnosis – typically many years after onset – individuals most commonly display a bulbar-predominant generalized dystonia. Exceptions are common and a rostrocaudal gradient is rare rather than typical. Migraines and seizures are also observed.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/318633">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_332174"><div><strong>Hereditary spastic paraplegia 28</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332174</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) Click for more information.">C1836295</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-29 (SPG28) is an autosomal recessive neurodegenerative disorder characterized by early-onset, slowly progressive lower-limb spasticity resulting in walking difficulties. Some patients also have distal sensory impairment (summary by Tesson et al., 2012). For a general phenotypic description and a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see 270800.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/332174">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_324539"><div><strong>Alpha-N-acetylgalactosaminidase deficiency type 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324539</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) Click for more information.">C1836522</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Alpha-N-acetylgalactosaminidase (NAGA) deficiency is a very rare lysosomal storage disorder with atypical features. It is clinically heterogeneous with 3 main phenotypes: type I is an infantile-onset neuroaxonal dystrophy (609241); type II, also known as Kanzaki disease, is an adult-onset disorder characterized by angiokeratoma corporis diffusum and mild intellectual impairment; and type III is an intermediate disorder (see 609241) with mild to moderate neurologic manifestations (Desnick and Schindler, 2001).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/324539">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_373276"><div><strong>Macular degeneration, age-related, 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>373276</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) Click for more information.">C1837187</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Age-related macular degeneration-3 (ARMD3) is characterized by numerous small round yellow lesions visible at the temporal edge of the macula. Larger, less distinct yellow areas near the center of the macula are also observed, which represent areas of pigment epithelial detachment (Stone et al., 2004). For a phenotypic description and a discussion of genetic heterogeneity of age-related macular degeneration, see 603075.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/373276">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_324826"><div><strong>Charcot-Marie-Tooth disease axonal type 2L</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324826</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) Click for more information.">C1837552</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Axonal Charcot-Marie-Tooth disease type 2L (CMT2L) is an autosomal dominant neuromuscular disorder characterized by muscle weakness and atrophy and sensory impairment of the distal lower and upper limbs resulting from a length-dependent axonal peripheral neuropathy. The lower limbs are predominantly affected, resulting in slowly progressive walking difficulties. Some individuals have involvement of the proximal lower limbs. Electrophysiologic studies are consistent with a axonal neuropathy, and muscle imaging shows muscle atrophy and fatty replacement in the lower limbs. Sural nerve biopsy shows loss of large myelinated fibers and abnormal axonal morphology (Tang et al., 2004; Nakhro et al., 2013). For a phenotypic description and a discussion of genetic heterogeneity of axonal CMT type 2, see CMT2A (118210).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/324826">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_375302"><div><strong>Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>375302</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) Click for more information.">C1843851</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">POLG-related disorders comprise a continuum of overlapping phenotypes that were clinically defined before the molecular basis was known. POLG-related disorders can therefore be considered an overlapping spectrum of disease presenting from early childhood to late adulthood. The age of onset broadly correlates with the clinical phenotype. In individuals with early-onset disease (prior to age 12 years), liver involvement, feeding difficulties, seizures, hypotonia, and muscle weakness are the most common clinical features. This group has the worst prognosis. In the juvenile/adult-onset form (age 12-40 years), disease is typically characterized by peripheral neuropathy, ataxia, seizures, stroke-like episodes, and, in individuals with longer survival, progressive external ophthalmoplegia (PEO). This group generally has a better prognosis than the early-onset group. Late-onset disease (after age 40 years) is characterized by ptosis and PEO, with additional features such as peripheral neuropathy, ataxia, and muscle weakness. This group overall has the best prognosis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/375302">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_335442"><div><strong>Autosomal recessive cerebellar ataxia-saccadic intrusion syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335442</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) Click for more information.">C1846492</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">VPS13D movement disorder is a hyperkinetic movement disorder (dystonia, chorea, and/or ataxia) of variable age of onset that can be associated with developmental delay. Onset ranges from birth to adulthood. Individuals can present in childhood with motor delays and gait instability. Cognitive impairment ranging from mild intellectual disability to developmental delay has been reported, and several individuals have normal cognitive function. Individuals have also presented as young adults with gait difficulties caused by spastic ataxia or ataxia. In addition to gait ataxia, affected individuals had limb ataxia, dysarthria, and eye movement abnormalities (macro-saccadic oscillations, nystagmus, and saccadic pursuit). Additional features reported in some individuals include peripheral neuropathy and/or seizures. The disorder progresses to spastic ataxia or generalized dystonia, which can lead to loss of independent ambulation.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/335442">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_376235"><div><strong>Charcot-Marie-Tooth disease, dominant intermediate A</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>376235</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) Click for more information.">C1847896</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Charcot-Marie-Tooth disease, dominant intermediate-A (CMTDIA) is an autosomal dominant peripheral neuropathy characterized by onset of symptoms in the first or second decades of life. Affected individuals have difficulty walking with muscle cramps of the lower limbs; the motor symptoms may be worsened by cold. The disorder is slowly progressive, eventually involving all 4 limbs, but patients remain ambulatory. After age 40, patients develop more severe features, including distal muscle weakness and atrophy, pes cavus, areflexia, and distal sensory loss. Electrophysiologic studies yield nerve conduction velocities with 'intermediate' values between demyelinating and axonal neuropathy (see below). One such family has been reported (Rossi et al., 1985).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/376235">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338532"><div><strong>Trichomegaly-retina pigmentary degeneration-dwarfism syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338532</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) Click for more information.">C1848745</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">PNPLA6 disorders span a phenotypic continuum characterized by variable combinations of cerebellar ataxia; upper motor neuron involvement manifesting as spasticity and/or brisk reflexes; chorioretinal dystrophy associated with variable degrees of reduced visual function; and hypogonadotropic hypogonadism (delayed puberty and lack of secondary sex characteristics). The hypogonadotropic hypogonadism occurs either in isolation or as part of anterior hypopituitarism (growth hormone, thyroid hormone, or gonadotropin deficiencies). Common but less frequent features are peripheral neuropathy (usually of axonal type manifesting as reduced distal reflexes, diminished vibratory sensation, and/or distal muscle wasting); hair anomalies (long eyelashes, bushy eyebrows, or scalp alopecia); short stature; and impaired cognitive functioning (learning disabilities in children; deficits in attention, visuospatial abilities, and recall in adults). Some of these features can occur in distinct clusters on the phenotypic continuum: Boucher-Neuhäuser syndrome (cerebellar ataxia, chorioretinal dystrophy, and hypogonadotropic hypogonadism); Gordon Holmes syndrome (cerebellar ataxia, hypogonadotropic hypogonadism, and – to a variable degree – brisk reflexes); Oliver-McFarlane syndrome (trichomegaly, chorioretinal dystrophy, short stature, intellectual disability, and hypopituitarism); Laurence-Moon syndrome; and spastic paraplegia type 39 (SPG39) (upper motor neuron involvement, peripheral neuropathy, and sometimes reduced cognitive functioning and/or cerebellar ataxia).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338532">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_341387"><div><strong>Hereditary spastic paraplegia 15</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>341387</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) Click for more information.">C1849128</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia 15 (SPG15), typically an early-onset complex hereditary spastic paraplegia, is characterized by progressive spasticity that begins in the lower extremities and is associated with several manifestations resulting from central and peripheral nervous system dysfunction. While onset of spasticity is typically in mid- to late childhood or adolescence (i.e., between ages 5 and 18 years), other manifestations, such as developmental delay or learning disability, may be present earlier, often preceding motor involvement. Individuals with adult onset have also been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/341387">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_342338"><div><strong>Adult polyglucosan body disease</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>342338</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) Click for more information.">C1849722</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Most individuals with classic GBE1 adult polyglucosan body disease (GBE1-APBD) present after age 40 years with unexplained progressive neurogenic bladder, gait difficulties (i.e., spasticity and weakness) from mixed upper and lower motor neuron involvement, sensory loss predominantly in the distal lower extremities, autonomic dysfunction (associated with orthostatic hypotension and constipation), and mild cognitive difficulties (often executive dysfunction). Some affected individuals without classic GBE1-APBD have atypical phenotypes including Alzheimer disease-like dementia and axonal neuropathy, stroke-like episodes, and diaphragmatic failure; others may have a history of infantile liver disease.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/342338">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_342492"><div><strong>Hereditary sensory and autonomic neuropathy with spastic paraplegia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>342492</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) Click for more information.">C1850395</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">This syndrome is characterized by the association of an axonal sensory and autonomic neuropathy with spastic paraplegia.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/342492">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338045"><div><strong>Mitochondrial DNA depletion syndrome 6 (hepatocerebral type)</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338045</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) Click for more information.">C1850406</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MPV17-related mitochondrial DNA (mtDNA) maintenance defect presents in the vast majority of affected individuals as an early-onset encephalohepatopathic (hepatocerebral) disease that is typically associated with mtDNA depletion, particularly in the liver. A later-onset neuromyopathic disease characterized by myopathy and neuropathy, and associated with multiple mtDNA deletions in muscle, has also rarely been described. MPV17-related mtDNA maintenance defect, encephalohepatopathic form is characterized by: Hepatic manifestations (liver dysfunction that typically progresses to liver failure, cholestasis, hepatomegaly, and steatosis); Neurologic involvement (developmental delay, hypotonia, microcephaly, and motor and sensory peripheral neuropathy); Gastrointestinal manifestations (gastrointestinal dysmotility, feeding difficulties, and failure to thrive); and Metabolic derangements (lactic acidosis and hypoglycemia). Less frequent manifestations include renal tubulopathy, nephrocalcinosis, and hypoparathyroidism. Progressive liver disease often leads to death in infancy or early childhood. Hepatocellular carcinoma has been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338045">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_338703"><div><strong>Spinocerebellar ataxia type 34</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>338703</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) Click for more information.">C1851481</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia-34 (SCA34) is an autosomal dominant disorder characterized by slowly progressive cerebellar ataxia. Onset usually occurs during the young adult years, and most patients remain ambulatory until late in life. One family with SCA34 also had onset of erythema and hyperkeratosis in early childhood (Cadieux-Dion et al., 2014), whereas other families have additional neurologic signs, including ocular movement disturbances and pyramidal tract signs (Ozaki et al., 2015). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/338703">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_343973"><div><strong>Autosomal recessive ataxia, Beauce type</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>343973</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) Click for more information.">C1853116</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SYNE1 deficiency comprises a phenotypic spectrum that ranges from autosomal recessive cerebellar ataxia at the mild end to arthrogryposis multiplex congenita (AMC) at the severe end. SYNE1-deficient cerebellar ataxia, the most commonly recognized manifestation of SYNE1 deficiency to date, is a slowly progressive disorder typically beginning in adulthood (age range 6-45 years). While some individuals have a pure cerebellar syndrome (i.e., cerebellar ataxia, dysarthria, dysmetria, abnormalities in ocular saccades and smooth pursuit), many also have upper motor neuron dysfunction (spasticity, hyperreflexia, Babinski sign) and/or lower motor neuron dysfunction (amyotrophy, reduced reflexes, fasciculations). Most individuals develop features of the cerebellar cognitive and affective syndrome (i.e., significant deficits in attention, executive functioning, verbal working memory, and visuospatial/visuoconstructional skills). The two less common phenotypes are SYNE1-deficient childhood-onset multisystem disease (ataxia, upper and lower motor neuron dysfunction, muscle weakness and wasting, intellectual disability) and SYNE1-deficient arthrogryposis multiplex congenita (decreased fetal movements and severe neonatal hypotonia associated with multiple congenital joint contractures including clubfoot).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/343973">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_340052"><div><strong>Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340052</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) Click for more information."><span class="highlight" style="background-color:">C1853761</span></a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Ataxia with oculomotor apraxia type 2 (AOA2) is characterized by onset of ataxia between age three and 30 years after initial normal development, axonal sensorimotor neuropathy, oculomotor apraxia, cerebellar atrophy, and elevated serum concentration of alpha-fetoprotein (AFP).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/340052">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_350076"><div><strong>Charcot-Marie-Tooth disease type 2A1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>350076</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) Click for more information.">C1861678</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MFN2 hereditary motor and sensory neuropathy (MFN2-HMSN) is a classic axonal peripheral sensorimotor neuropathy, inherited in either an autosomal dominant (AD) manner (~90%) or an autosomal recessive (AR) manner (~10%). MFN2-HMSN is characterized by more severe involvement of the lower extremities than the upper extremities, distal upper-extremity involvement as the neuropathy progresses, more prominent motor deficits than sensory deficits, and normal (>42 m/s) or only slightly decreased nerve conduction velocities (NCVs). Postural tremor is common. Median onset is age 12 years in the AD form and age eight years in the AR form. The prevalence of optic atrophy is approximately 7% in the AD form and approximately 20% in the AR form.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/350076">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_400593"><div><strong>Giant axonal neuropathy 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>400593</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) Click for more information.">C1864695</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Giant axonal neuropathy-2 is an autosomal dominant peripheral axonal neuropathy characterized by onset of distal sensory impairment and lower extremity muscle weakness and atrophy after the second decade. Foot deformities may be present in childhood. More severely affected individuals may develop cardiomyopathy. Sural nerve biopsy shows giant axonal swelling with neurofilament accumulation (summary by Klein et al., 2014).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/400593">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370845"><div><strong>Leukoencephalopathy with brain stem and spinal cord involvement-high lactate syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370845</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) Click for more information.">C1970180</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Leukoencephalopathy with brain stem and spinal cord involvement and lactate elevation (LBSL) is characterized by slowly progressive cerebellar ataxia and spasticity with dorsal column dysfunction (decreased position and vibration sense) in most individuals. The neurologic dysfunction involves the legs more than the arms. The tendon reflexes are retained. Deterioration of motor skills usually starts in childhood or adolescence, but occasionally not until adulthood. Dysarthria develops over time. Occasional findings include epilepsy; learning problems; cognitive decline; and reduced consciousness, neurologic deterioration, and fever following minor head trauma. Individuals with neonatal or early-infantile onset have a severe disease course often associated with early death. Those with childhood onset have slow progression with wheelchair dependence in the teens or twenties. Adult onset is associated with slow progression and mild impairment.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370845">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_370358"><div><strong>Phosphoribosylpyrophosphate synthetase superactivity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>370358</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) Click for more information.">C1970827</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Phosphoribosylpyrophosphate synthetase (PRS) superactivity comprises two phenotypes, both characterized by hyperuricemia and hyperuricosuria. The mild phenotype (~75% of affected males) with onset in the second or third decade of life is typically limited to these biochemical findings, whereas the severe phenotype (~25% of affected males) with onset in the first decade of life has in addition to these biochemical findings variable combinations of developmental delay (DD) / intellectual disability (ID), sensorineural hearing loss, hypotonia, and ataxia. In the mild phenotype, uric acid crystalluria or a urinary stone is commonly the first clinical finding, followed later by gouty arthritis if serum urate concentration is not controlled.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/370358">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_392873"><div><strong>Krabbe disease due to saposin A deficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>392873</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) Click for more information.">C2673266</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Disease caused by homozygous mutation in the prosaposin gene (PSAP) on chromosome 10q22. The disease is genetically distinct from Krabbe disease. Clinical features include onset in infancy with respiratory and neurologic involvement.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/392873">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_403466"><div><strong>Hereditary angioedema type 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>403466</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) Click for more information.">C2717906</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A form of hereditary angioedema characterized by acute edema in subcutaneous tissues, viscera and/or the upper airway.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/403466">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_412638"><div><strong>Fibrosis of extraocular muscles, congenital, 3A, with or without extraocular involvement</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>412638</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) Click for more information.">C2748801</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital fibrosis of the extraocular muscles (CFEOM) encompasses several different inherited strabismus syndromes characterized by congenital restrictive ophthalmoplegia affecting extraocular muscles innervated by the oculomotor and/or trochlear nerves. If all affected members of a family have classic CFEOM with bilateral involvement and inability to raise the eyes above midline, the phenotype is classified as CFEOM1 (135700). CFEOM2 (602078) shows autosomal recessive inheritance. CFEOM3 is characterized by autosomal dominant inheritance of a more variable phenotype than classic CFEOM1. Individuals with CFEOM3 may not have bilateral involvement, may be able to raise the eyes above midline, or may not have blepharoptosis (reviews by Yamada et al., 2004 and Heidary et al., 2008). Yamada et al. (2003) concluded that CFEOM3 is a relatively rare form of CFEOM. Genetic Heterogeneity of CFEOM3 The CFEOM3 phenotype is genetically heterogeneous; see also CFEOM3B (135700), caused by mutation in the KIF21A gene on chromosome 12q12, and CFEOM3C (609384), which maps to chromosome 13q.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/412638">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_413754"><div><strong>Charcot-Marie-Tooth disease axonal type 2N</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>413754</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) Click for more information.">C2750090</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A mild form of axonal Charcot-Marie-Tooth disease, a peripheral sensorimotor neuropathy, with characteristics of distal legs sensory loss and weakness that can be asymmetric. Tendon reflexes are reduced in the knees and absent in ankles. Progression is slow.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/413754">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_413474"><div><strong>Neuropathy, hereditary sensory and autonomic, type 2B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>413474</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) Click for more information.">C2751092</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary sensory and autonomic neuropathy type II (HSAN2) is characterized by progressively reduced sensation to pain, temperature, and touch. Onset can be at birth and is often before puberty. The sensory deficit is predominantly distal with the lower limbs more severely affected than the upper limbs. Over time sensory function becomes severely reduced. Unnoticed injuries and neuropathic skin promote ulcerations and infections that result in spontaneous amputation of digits or the need for surgical amputation. Osteomyelitis is common. Painless fractures can complicate the disease. Autonomic disturbances are variable and can include hyperhidrosis, tonic pupils, and urinary incontinence in those with more advanced disease.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/413474">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_414031"><div><strong>Amyloidosis, hereditary systemic 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>414031</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) Click for more information.">C2751492</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary transthyretin amyloidosis (ATTRv amyloidosis) is characterized by a slowly progressive peripheral sensorimotor and/or autonomic neuropathy. Amyloidosis can involve the heart, central nervous system (CNS), eyes, and kidneys. The disease usually begins in the third to fifth decade in persons from endemic foci in Portugal and Japan; onset is later in persons from other areas. Typically, sensory neuropathy starts in the lower extremities with paresthesia and hypesthesia of the feet, followed within a few years by motor neuropathy. In some persons, particularly those with early-onset disease, autonomic neuropathy is the first manifestation of the condition; findings can include orthostatic hypotension, constipation alternating with diarrhea, attacks of nausea and vomiting, delayed gastric emptying, sexual impotence, anhidrosis, and urinary retention or incontinence. Cardiac amyloidosis is mainly characterized by progressive restrictive cardiomyopathy. Individuals with leptomeningeal amyloidosis may have the following CNS findings: dementia, psychosis, visual impairment, headache, seizures, motor paresis, ataxia, myelopathy, hydrocephalus, or intracranial hemorrhage. Ocular involvement includes vitreous opacity, glaucoma, dry eye, and ocular amyloid angiopathy. Mild-to-severe kidney disease can develop.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/414031">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_461946"><div><strong>Susceptibility to mononeuropathy of the median nerve, mild</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>461946</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) Click for more information.">C3150596</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/461946">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462322"><div><strong>Neuropathy, hereditary sensory, type 1D</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462322</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) Click for more information.">C3150972</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia 3A (SPG3A; also known as ATL1-HSP) is characterized by progressive bilateral and mostly symmetric spasticity and weakness of the legs. Compared to other forms of autosomal dominant hereditary spastic paraplegia (HSP), in which diminished vibration sense (caused by degeneration of the corticospinal tracts and dorsal columns) and urinary bladder hyperactivity are present in all affected individuals, these findings occur in a minority of individuals with SPG3A. The average age of onset is four years. More than 80% of reported individuals manifest spastic gait before the end of the first decade of life. Most persons with early-onset ATL1-HSP have a "pure" ("uncomplicated") HSP; however, complicated HSP with axonal motor neuropathy and/or distal amyotrophy with lower motor neuron involvement (Silver syndrome phenotype) has been observed. The rate of progression in ATL1-HSP is slow, and wheelchair dependency or need for a walking aid (cane, walker, or wheelchair) is relatively rare.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462322">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_462323"><div><strong>Progressive demyelinating neuropathy with bilateral striatal necrosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>462323</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) Click for more information.">C3150973</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SLC25A19-related thiamine metabolism dysfunction (SLC25A19 deficiency) is characterized by two phenotypes: Amish lethal microcephaly and thiamine metabolism dysfunction syndrome 4 (THMD-4). Amish lethal microcephaly is characterized by severe congenital microcephaly, developmental delay, seizures, 2-oxoglutaric aciduria, and often premature death. THMD-4 is characterized by febrile illness-associated episodic encephalopathy, progressive polyneuropathy, and bilateral striatal necrosis.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/462323">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_482832"><div><strong>Intellectual disability, autosomal dominant 13</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>482832</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) Click for more information.">C3281202</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">DYNC1H1-related disorders are primarily characterized by an axonal neuropathy with a wide phenotypic spectrum ranging from a neuromuscular-only phenotype (DYNC1H1-related neuromuscular disorder, or DYNC1H1-NMD) to phenotypes involving both the central nervous system and peripheral nervous system referred to collectively as DYNC1H1-related neurodevelopmental disorder (DYNC1H1-NDD). DYNC1H1-NMD manifestations are limited to the peripheral nervous system and characterized predominantly by motor neuropathy initially most pronounced in the lower limbs; muscle weakness and atrophy variably associated with foot deformities, contractures, and other skeletal involvement; and/or delayed motor milestones. DYNC1H1-NDD manifestations include motor axonal neuropathy and often global developmental delay / intellectual disability, epilepsy, neurobehavioral/psychiatric manifestations, and movement disorders with or without malformations of cortical development and/or microcephaly. In an individual with more significant central nervous system involvement, the motor axonal neuropathy may not be evident clinically and, thus, is only detected on further evaluation such as electrophysiologic testing.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/482832">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_761342"><div><strong>Hereditary spastic paraplegia 55</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>761342</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) Click for more information.">C3539506</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare complex type of hereditary spastic paraplegia with characteristics of childhood onset of progressive spastic paraplegia associated with optic atrophy (with reduced visual acuity and central scotoma), ophthalmoplegia, reduced upper-extremity strength and dexterity, muscular atrophy in the lower extremities and sensorimotor neuropathy. Caused by mutations in the C12ORF65 gene (12q24.31) encoding probable peptide chain release factor C12ORF65, mitochondrial.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/761342">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_761343"><div><strong>Hereditary spastic paraplegia 56</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>761343</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) Click for more information.">C3539507</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-56 with or without pseudoxanthoma elasticum (SPG56) is an autosomal recessive neurodegenerative disorder characterized by early-onset progressive lower-limb spasticity resulting in walking difficulties. Upper limbs are often also affected, and some patients may have a subclinical axonal neuropathy (summary by Tesson et al., 2012). Some patients also have pseudoxanthoma elasticum (Legrand et al., 2021). For a general phenotypic description and a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see 270800.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/761343">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_767604"><div><strong>Ataxia with oculomotor apraxia type 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>767604</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) Click for more information.">C3554690</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">AOA3 is an autosomal recessive progressive neurologic disorder with onset in the second decade of life (Al Tassan et al., 2012). For a discussion of genetic heterogeneity of ataxia-oculomotor apraxia, see AOA1 (208920).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/767604">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815335"><div><strong>Cardiofaciocutaneous syndrome 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815335</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) Click for more information.">C3809005</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Cardiofaciocutaneous (CFC) syndrome is characterized by cardiac abnormalities (pulmonic stenosis and other valve dysplasias, septal defects, hypertrophic cardiomyopathy, rhythm disturbances), distinctive craniofacial appearance, and cutaneous abnormalities (including xerosis, hyperkeratosis, ichthyosis, keratosis pilaris, ulerythema ophryogenes, eczema, pigmented moles, hemangiomas, and palmoplantar hyperkeratosis). The hair is typically sparse, curly, fine or thick, and woolly or brittle; eyelashes and eyebrows may be absent or sparse. Nails may be dystrophic or fast growing. Affected individuals typically have some form of neurologic and/or cognitive delay (ranging from mild to severe). Most individuals have severe feeding issues, which can contribute to poor growth, and many require nasogastric or gastrostomy tube feeding. Many affected individuals have eye findings, including strabismus, nystagmus, refractive errors, and optic nerve hypoplasia. Seizures may be present and can be refractory to therapy.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815335">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_815985"><div><strong>Charcot-Marie-Tooth disease type 2R</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>815985</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) Click for more information.">C3809655</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">A rare subtype of axonal hereditary motor and sensory neuropathy characterised by early-onset axial hypotonia, generalised muscle weakness, absent deep tendon reflexes and decreased muscle mass. Electromyography reveals decreased motor nerve conduction velocities with markedly reduced sensory and motor amplitudes. There is evidence the disease is caused by homozygous or compound heterozygous mutation in the TRIM2 gene on chromosome 4q.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/815985">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_816615"><div><strong>Proximal myopathy with extrapyramidal signs</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>816615</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) Click for more information.">C3810285</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Myopathy with extrapyramidal signs is an autosomal recessive disorder characterized by early childhood onset of proximal muscle weakness and learning disabilities. While the muscle weakness is static, most patients develop progressive extrapyramidal signs that may become disabling (summary by Logan et al., 2014). Brain MRI in 1 patient showed congenital malformations, including polymicrogyria and cerebellar dysplasia (Wilton et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/816615">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_862791"><div><strong>Pontocerebellar hypoplasia type 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>862791</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) Click for more information.">C4014354</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Pontocerebellar hypoplasia type 9 (PCH9) is an autosomal recessive neurodevelopmental and neurodegenerative disorder characterized by severely delayed psychomotor development, progressive microcephaly, spasticity, seizures, and brain abnormalities, including brain atrophy, thin corpus callosum, and delayed myelination (summary by Akizu et al., 2013). For a general phenotypic description and a discussion of genetic heterogeneity of PCH, see PCH1 (607596).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/862791">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_906504"><div><strong>Charcot-Marie-Tooth disease axonal type 2U</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>906504</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) Click for more information.">C4084821</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Charcot-Marie-Tooth disease type 2U (CMT2U) is an autosomal dominant neurologic disorder characterized by late-adult onset of distal sensory impairment resulting in distal muscle weakness and atrophy affecting the upper and lower limbs. The disorder is slowly progressive (summary by Gonzalez et al., 2013). For a phenotypic description and a discussion of genetic heterogeneity of axonal CMT, see CMT2A1 (118210).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/906504">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_907910"><div><strong>Spinal muscular atrophy with congenital bone fractures 2</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>907910</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) Click for more information.">C4225176</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinal muscular atrophy with congenital bone fractures is an autosomal recessive severe neuromuscular disorder characterized by onset of severe hypotonia with fetal hypokinesia in utero. This results in congenital contractures, consistent with arthrogryposis multiplex congenita, and increased incidence of prenatal fracture of the long bones. Affected infants have difficulty breathing and feeding and often die in the first days or months of life (summary by Knierim et al., 2016). For a discussion of genetic heterogeneity of spinal muscular atrophy with congenital bone fractures, see SMABF1 (616866).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/907910">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_896011"><div><strong>Spinal muscular atrophy with congenital bone fractures 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>896011</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) Click for more information.">C4225177</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
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<div class="spaceAbove">Spinal muscular atrophy with congenital bone fractures is an autosomal recessive severe neuromuscular disorder characterized by onset of severe hypotonia with fetal hypokinesia in utero. This results in congenital contractures, consistent with arthrogryposis multiplex congenita, and increased incidence of prenatal fracture of the long bones. Affected infants have difficulty breathing and feeding and often die in the first days or months of life (summary by Knierim et al., 2016). Genetic Heterogeneity of Spinal Muscular Atrophy With Congenital Bone Fractures See also SMABF2 (616867), caused by mutation in the ASCC1 gene (614215) on chromosome 10q22.</div>
|
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<div class="spaceAbove nowrap">See: <a href="/medgen/896011">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_895482"><div><strong>Neuropathy, hereditary motor and sensory, type 6B</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>895482</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) Click for more information.">C4225302</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary motor and sensory neuropathy type VIB is an autosomal recessive complex progressive neurologic disorder characterized mainly by early-onset optic atrophy resulting in progressive visual loss and peripheral axonal sensorimotor neuropathy with highly variable age at onset and severity. Affected individuals may also have cerebellar or pontocerebellar atrophy on brain imaging, and they may show abnormal movements such as ataxia, dysmetria, and myoclonus (summary by Abrams et al., 2015). For a general phenotypic description and a discussion of genetic heterogeneity of HMSN6, see HMSN6A (601152).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/895482">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934634"><div><strong>Encephalopathy, progressive, with amyotrophy and optic atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934634</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) Click for more information.">C4310667</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Progressive encephalopathy with amyotrophy and optic atrophy (PEAMO) is a severe autosomal recessive neurodegenerative disorder characterized by delayed development with hypotonia apparent in infancy and subsequent motor regression. Most affected individuals are unable to or lose the ability to sit and show distal amyotrophy and weakness of all 4 limbs. The patients are cognitively impaired and unable to speak or have severe dysarthria. Additional features include optic atrophy, thin corpus callosum, and cerebellar atrophy (Sferra et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934634">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934644"><div><strong>Harel-Yoon syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934644</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) Click for more information.">C4310677</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Harel-Yoon syndrome is a syndromic neurodevelopmental disorder characterized by delayed psychomotor development, intellectual disability, truncal hypotonia, spasticity, and peripheral neuropathy. Other more variable features such as optic atrophy may also occur. Laboratory studies in some patients show evidence of mitochondrial dysfunction (summary by Harel et al., 2016).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934644">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934692"><div><strong>Charcot-Marie-Tooth disease, axonal, autosomal recessive, type 2a2b;</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934692</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) Click for more information.">C4310725</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">MFN2 hereditary motor and sensory neuropathy (MFN2-HMSN) is a classic axonal peripheral sensorimotor neuropathy, inherited in either an autosomal dominant (AD) manner (~90%) or an autosomal recessive (AR) manner (~10%). MFN2-HMSN is characterized by more severe involvement of the lower extremities than the upper extremities, distal upper-extremity involvement as the neuropathy progresses, more prominent motor deficits than sensory deficits, and normal (>42 m/s) or only slightly decreased nerve conduction velocities (NCVs). Postural tremor is common. Median onset is age 12 years in the AD form and age eight years in the AR form. The prevalence of optic atrophy is approximately 7% in the AD form and approximately 20% in the AR form.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934692">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_934700"><div><strong>Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 4</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>934700</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) Click for more information.">C4310733</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive progressive external ophthalmoplegia with mitochondrial DNA deletions-4 (PEOB4) is characterized by adult onset of eye muscle weakness and proximal limb muscle weakness associated with deletions of mtDNA on skeletal muscle biopsy, which results from defective mtDNA replication in post-mitotic muscle tissue. Additional features are more variable (summary by Ronchi et al., 2012). For a discussion of genetic heterogeneity of autosomal recessive PEO, see PEOB1 (258450).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/934700">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1382171"><div><strong>Neurodevelopmental disorder with hypotonia, neuropathy, and deafness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1382171</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) Click for more information.">C4479603</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">SPTBN4 disorder is typically characterized by severe-to-profound developmental delay and/or intellectual disability, although two individuals in one family had a milder phenotype, including one individual with normal cognitive development. Speech and language skills are often severely limited. Affected individuals rarely achieve head control. Most are unable to sit, stand, or walk. Affected individuals typically have congenital hypotonia that may transition to hypertonia. Axonal motor neuropathy leads to hyporeflexia/areflexia and weakness, which can result in respiratory difficulties requiring ventilatory support. Most affected individuals require tube feeding for nutrition. Half of affected individuals develop seizures. Cortical visual impairment and auditory neuropathy have also been reported.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1382171">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1379865"><div><strong>Spinocerebellar ataxia type 38</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1379865</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) Click for more information.">C4518337</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia type 38 (SCA38) is characterized as a pure cerebellar ataxia with symptoms typically manifesting in the fourth decade of life. The most common presenting features are nystagmus and slowly progressive gait ataxia. As the disease progresses, cerebellar symptoms (limb ataxia, dysarthria, dysphagia, diplopia on the horizontal line) may emerge, and affected individuals may experience sensory loss. In the later stages of the condition, ophthalmoparesis followed by ophthalmoplegia may occur. Features that distinguish SCA38 from other spinocerebellar ataxias include pes cavus without paresis, hyposmia, hearing loss, and anxiety disorder. Dementia and extrapyramidal signs are not common features of SCA38. Brain imaging typically demonstrates cerebellar atrophy mainly affecting the vermis without atrophy of the cerebral cortex and a normal appearance of the brain stem. With disease progression, nerve conduction velocities and electromyography demonstrate a sensory and motor axonal polyneuropathy in all four extremities. Life span is apparently not decreased.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1379865">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648461"><div><strong>Charcot-Marie-Tooth disease type 5</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648461</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) Click for more information.">C4721916</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hereditary motor and sensory neuropathies (HMSN) are a heterogeneous group of peripheral nervous system disorders affecting motor and sensory function. HMSN I, also known as Charcot-Marie-Tooth (CMT) disease, or peroneal muscular atrophy, type 1, is a demyelinating neuropathy (see CMT1B; 118200) and HMSN II, also known as CMT type 2, is an axonal neuropathy (see CMT2A1; 118210). See also HMSN III (145900) and HMSN IV (266500). For an autosomal recessive disorder with similarities to HMSN V, see 607731.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648461">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1648480"><div><strong>Peripheral neuropathy, autosomal recessive, with or without impaired intellectual development</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1648480</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) Click for more information.">C4748283</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive peripheral neuropathy with or without impaired intellectual development is an early childhood-onset neurologic disorder characterized by slowly progressive distal motor impairment resulting in gait difficulties, often with loss of ambulation, and difficulties using the hands in most patients. Most affected individuals also have impaired intellectual development, although some have normal cognition. Electrophysiologic testing and sural nerve biopsy are most compatible with an axonal motor neuropathy; some patients may show signs of demyelination. Additional features may include eye movement abnormalities, claw hands, foot deformities, and scoliosis (summary by Ylikallio et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1648480">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1683470"><div><strong>Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1683470</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) Click for more information.">C4759870</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia with axonal neuropathy type 1 (SCAN1) is characterized by late-childhood-onset slowly progressive cerebellar ataxia and distal sensorimotor axonal neuropathy. Gaze nystagmus and dysarthria usually develop after the onset of ataxic gait. As the disease advances, pain and touch sensation in the hands and feet become impaired; vibration sense is lost in hands and lower thighs. Individuals with advanced disease develop a steppage gait and pes cavus and eventually become wheelchair dependent. Cognitive dysfunction – present in some – manifests as mild intellectual disability and poor executive function. To date only seven affected individuals have been described from three apparently unrelated consanguineous families (one from Saudi Arabia and two from Oman); therefore, it is likely that the full phenotypic spectrum of this disorder is not yet known.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1683470">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1677784"><div><strong>Lethal arthrogryposis-anterior horn cell disease syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1677784</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) Click for more information.">C5193016</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital arthrogryposis with anterior horn cell disease (CAAHD) is an autosomal recessive neuromuscular disorder with highly variable severity. Affected individuals are usually noted to have contractures in utero on prenatal ultrasound studies, and present at birth with generalized contractures manifest as arthrogryposis multiplex congenita (AMC). Patients have severe hypotonia with respiratory insufficiency, often resulting in death in infancy or early childhood. Some patients may survive into later childhood with supportive care, but may be unable to walk or sit independently due to a combination of muscle weakness and contractures. Cognition may be normal. The disorder also includes multiple congenital anomalies associated with AMC and hypotonia, including high-arched palate, myopathic facies, and bulbar weakness. Neuropathologic studies demonstrate severe loss of anterior horn cells in the spinal cord, as well as diffuse motor neuron axonopathy (summary by Smith et al., 2017 and Tan et al., 2017). Distinction from Lethal Congenital Contracture Syndrome 1 Biallelic mutation in the GLE1 gene can also cause LCCS1, which is lethal in utero. However, distinguishing between LCCS1 and CAAHD is controversial. Smith et al. (2017) suggested that differentiating between the 2 disorders has limited utility, and that they may represent a genotype/phenotype correlation rather than 2 different disease entities. In contrast, Said et al. (2017) concluded that LCCS1 represents a distinct clinical entity in which all affected individuals die prenatally and exhibit no fetal movements. Vuopala et al. (1995) differentiated CAAHD from LCCS1, noting that both are prevalent in Finland. LCCS1 is always fatal during the fetal period, presenting with severe hydrops and intrauterine growth retardation. In LCCS1, the spinal cord is macroscopically thinned because of an early reduction of the anterior horn and a paucity of anterior horn cells. The skeletal muscles are extremely hypoplastic, even difficult to locate. Infants with CAAHD survive longer than those with LCCS1, and when present, hydrops and intrauterine growth retardation are mild. The macroscopic findings of the central nervous system and skeletal muscles are closer to normal, although microscopic analysis also shows degeneration of anterior horn cells. In addition, birthplaces of ancestors of affected individuals do not show clustering in the northeast part of Finland, as is the case with LCCS1.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1677784">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1673607"><div><strong>Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 3</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1673607</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) Click for more information.">C5193070</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spinocerebellar ataxia with axonal neuropathy-3 (SCAN3) is an autosomal recessive neuromuscular disorder characterized by onset in the first decade of slowly progressive distal muscle weakness and atrophy and distal sensory impairment due to an axonal peripheral neuropathy. Affected individuals have gait disturbances and sometimes manual dexterity difficulties, as well as cerebellar ataxia associated with cerebellar atrophy on brain imaging. Additional features usually include dysarthria, hyporeflexia, and increased serum creatine kinase. Some patients may have impaired intellectual development (summary by Higuchi et al., 2018). For a discussion of genetic heterogeneity of SCAN, see SCAN1 (607250).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1673607">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1677426"><div><strong>Charcot-Marie-Tooth disease, axonal, type 2EE</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1677426</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) Click for more information.">C5193076</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Charcot-Marie-Tooth disease type 2EE (CMT2EE) is an autosomal recessive sensorimotor peripheral axonal neuropathy with onset in the first or second decades of life. The disorder primarily affects the lower limbs and is slowly progressive, sometimes resulting in loss of ambulation, with later onset of upper limb involvement. There is significant distal muscle weakness and atrophy, usually with foot or hand deformities. Skeletal muscle biopsy shows findings of disturbed mitochondrial maintenance. Cognition is unaffected, and chronic liver disease is absent (summary by Baumann et al., 2019). For a phenotypic description and a discussion of genetic heterogeneity of axonal CMT type 2, see CMT2A (118210).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1677426">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1684779"><div><strong>Developmental and epileptic encephalopathy, 80</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1684779</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) Click for more information.">C5231418</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental and epileptic encephalopathy-80 (DEE80) is an autosomal recessive neurologic disorder characterized by the onset of refractory seizures in the first year of life. Patients have severe global developmental delay and may have additional variable features, including dysmorphic or coarse facial features, distal skeletal abnormalities, and impaired hearing or vision. At the cellular level, the disorder is caused by a defect in the synthesis of glycosylphosphatidylinositol (GPI), and thus affects the expression of GPI-anchored proteins at the cell surface (summary by Murakami et al., 2019). For a discussion of genetic heterogeneity of DEE, see 308350. For a discussion of genetic heterogeneity of GPI biosynthesis defects, see GPIBD1 (610293).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1684779">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1710020"><div><strong>Hereditary spastic paraplegia 30</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1710020</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) Click for more information.">C5235139</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-30A (SPG30A) is a neurologic disorder characterized by onset of slowly progressive spastic paraplegia in the first or second decades of life. Affected individuals have unsteady spastic gait and hyperreflexia of the lower limbs. Most patients have a 'pure' form of the disorder, limited to spastic paraplegia, whereas some may have a 'complicated' form that includes mild cognitive dysfunction, learning disabilities, or behavioral abnormalities, peripheral axonal sensorimotor neuropathy, and urinary sphincter problems. The phenotypic features represent a spectrum of abnormalities of the central, peripheral, and autonomic nervous system (summary by Pennings et al., 2020). For a discussion of genetic heterogeneity of autosomal dominant spastic paraplegia, see SPG3A (182600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1710020">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1714250"><div><strong>Intellectual disability, autosomal dominant 9</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1714250</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) Click for more information.">C5393830</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">NESCAV syndrome (NESCAVS) is a neurodegenerative disorder characterized by onset of features in infancy or early childhood. Affected individuals show global developmental delay with delayed walking or difficulty walking due to progressive spasticity mainly affecting the lower limbs and often leading to loss of independent ambulation. There is variably impaired intellectual development, speech delay, and learning disabilities and/or behavioral abnormalities. Additional features may include cortical visual impairment, often associated with optic atrophy, axonal peripheral neuropathy, seizures, dysautonomia, ataxia, and dystonia. Brain imaging often shows progressive cerebellar atrophy and thin corpus callosum. Some patients may show developmental regression, particularly of motor skills. The phenotype and presentation are highly variable (summary by Nemani et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1714250">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1716458"><div><strong>Pontocerebellar hypoplasia, hypotonia, and respiratory insufficiency syndrome, neonatal lethal</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1716458</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) Click for more information.">C5394137</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neonatal lethal pontocerebellar hypoplasia, hypotonia, and respiratory insufficiency syndrome (PHRINL) is an autosomal recessive multisystem disorder with onset in utero and death in the neonatal period. Rare patients may survive a few months. Affected infants show respiratory insufficiency and almost no spontaneous movement at birth, usually requiring mechanical ventilation and admission to the neonatal intensive care unit. Additional features include corneal clouding, seizures, dysmorphic facies, contractures, and progressive pontocerebellar hypoplasia with simplified gyral pattern and white matter abnormalities. Some patients may have cardiac anomalies or cardiac hypertrophy. Laboratory studies show evidence consistent with mitochondrial defects and/or abnormal cholesterol or lipid metabolism. Depending on the type of mutation or deletion, some patients may have a less severe disorder (see GENOTYPE/PHENOTYPE CORRELATIONS) (summary by Desai et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1716458">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1748867"><div><strong>Cardioencephalomyopathy, fatal infantile, due to cytochrome c oxidase deficiency 1</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1748867</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) Click for more information.">C5399977</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
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||
<div class="spaceAbove">Mitochondrial complex IV deficiency nuclear type 2 (MC4DN2) is an autosomal recessive multisystem metabolic disorder characterized by the onset of symptoms at birth or in the first weeks or months of life. Affected individuals have severe hypotonia, often associated with feeding difficulties and respiratory insufficiency necessitating tube feeding and mechanical ventilation. The vast majority of patients develop hypertrophic cardiomyopathy in the first days or weeks of life, which usually leads to death in infancy or early childhood. Patients also show neurologic abnormalities, including developmental delay, nystagmus, fasciculations, dystonia, EEG changes, and brain imaging abnormalities compatible with a diagnosis of Leigh syndrome (see 256000). There may also be evidence of systemic involvement with hepatomegaly and myopathy, although neurogenic muscle atrophy is more common and may resemble spinal muscular atrophy type I (SMA1; 253300). Serum lactate is increased, and laboratory studies show decreased mitochondrial complex IV protein and activity levels in various tissues, including heart and skeletal muscle. Most patients die in infancy of cardiorespiratory failure (summary by Papadopoulou et al., 1999). For a discussion of genetic heterogeneity of mitochondrial complex IV (cytochrome c oxidase) deficiency, see 220110.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1748867">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1765507"><div><strong>Developmental delay, impaired growth, dysmorphic facies, and axonal neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1765507</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) Click for more information.">C5436781</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Developmental delay, impaired growth, dysmorphic facies, and axonal neuropathy (DIGFAN) is a complex neurologic disorder characterized by impaired motor and intellectual development, hypotonia, poor overall growth, usually with short stature and microcephaly, and subtly dysmorphic facial features. Affected individuals have distal muscle weakness and muscle atrophy resulting in delayed acquisition of motor skills and persistent gait abnormalities. Although many patients have clinical and/or electrophysiologic features consistent with an axonal sensorimotor peripheral neuropathy, such as hyporeflexia, impaired sensation, foot drop, and pes cavus, the signs and severity are highly variable. Additional features may include hearing loss, pigmentary retinopathy, and abnormalities on brain imaging, including cerebral or cerebellar atrophy, hypomyelination, and lesions in the basal ganglia or brainstem. In some instances, the same mutation may result in different phenotypic manifestations (CMT2Z or DIGFAN syndrome), which highlights the expanding clinical spectrum associated with MORC2 mutations and may render classification of patients into one or the other disorder challenging (summary by Guillen Sacoto et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1765507">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1754849"><div><strong>Intellectual developmental disorder with speech delay and axonal peripheral neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1754849</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) Click for more information.">C5436813</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Intellectual developmental disorder with speech delay and axonal peripheral neuropathy (IDDSAPN) is an autosomal recessive neurologic disorder characterized by mild global developmental delay with motor impairment and severe speech delay apparent in the first years of life. Affected individuals begin to walk independently between 3 and 4 years of age, but often have an unsteady or ataxic gait. Most patients have progressive distal muscle weakness and atrophy of the lower limbs, foot or hand deformities, and dysarthria, consistent with a peripheral neuropathy. There is mildly impaired intellectual development. Some patients may have behavioral anomalies, such as autistic features or attention deficit-hyperactivity disorder (ADHD), and some can attend special schools. The overall clinical features indicate involvement of both the central and peripheral nervous systems (summary by Martin et al., 2020 and Ahmed et al., 2021)</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1754849">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1784506"><div><strong>Deafness, congenital, and adult-onset progressive leukoencephalopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1784506</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) Click for more information.">C5543087</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Congenital deafness and adult-onset progressive leukoencephalopathy (DEAPLE) is an autosomal recessive complex neurodegenerative disorder characterized by congenital neurosensory deafness followed by onset of neurodegenerative symptoms, including pyramidal signs and cognitive decline, in young adulthood. Some patients may have mild developmental delay or learning difficulties in childhood, but most can function independently. The onset of motor and cognitive decline in adulthood can be rapid and may result in early death. Brain imaging shows diffuse white matter abnormalities affecting various brain regions, consistent with a progressive leukoencephalopathy. More variable additional features may include visual impairment and axonal peripheral neuropathy (summary by Scheidecker et al., 2019).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1784506">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1788435"><div><strong>Spinocerebellar ataxia, autosomal recessive 29</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1788435</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) Click for more information.">C5543595</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spinocerebellar ataxia-29 (SCAR29) is a progressive neurodegenerative disorder characterized by delayed motor development in early infancy followed by difficulty walking due to an ataxic gait or inability to walk, hypotonia, and variably impaired intellectual development. Other features include dysarthria, nystagmus, peripheral spasticity, nystagmus, and visual impairment. Brain imaging typically shows atrophy of the cerebellar vermis, but other abnormalities may also be present. Some patients are wheelchair-bound and/or nonverbal (summary by Sanderson et al., 2021) In a review of the pathogenesis of disorders with prominent dystonia as a feature, Monfrini et al. (2021) classified SCAR29 as belonging to a group of neurologic disorders termed 'HOPS-associated neurologic disorders' (HOPSANDs), which are caused by mutations in genes encoding various components of the autophagic/endolysosomal system, including VPS41.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1788435">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1780329"><div><strong>Mitochondrial dna depletion syndrome 16B (neuroophthalmic type)</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1780329</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) Click for more information.">C5543632</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Mitochondrial DNA depletion syndrome-16B (MTDPS16B) is an autosomal recessive childhood-onset and progressive neuroophthalmic mtDNA depletion disorder characterized by optic atrophy, mixed polyneuropathy, spinal and cerebellar ataxia, and generalized chorea (Dosekova et al., 2020).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1780329">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794160"><div><strong>Visceral neuropathy, familial, 2, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794160</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) Click for more information.">C5561950</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive visceral neuropathy-2 (VSCN2) is characterized by intestinal dysmotility due to aganglionosis or hypoganglionosis of the colon. Patients also exhibit peripheral axonal neuropathy, ptosis, and sensorineural hearing loss (Le et al., 2021). For a discussion of genetic heterogeneity of VSCN, see VSCN1 (243180).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794160">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794184"><div><strong>Neurodevelopmental disorder with hypotonia and dysmorphic facies</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794184</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) Click for more information.">C5561974</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Neurodevelopmental disorder with hypotonia and dysmorphic facies (NEDHYDF) is characterized by global developmental delay and hypotonia apparent from birth. Affected individuals have variably impaired intellectual development, often with speech delay and delayed walking. Seizures are generally not observed, although some patients may have single seizures or late-onset epilepsy. Most patients have prominent dysmorphic facial features. Additional features may include congenital cardiac defects (without arrhythmia), nonspecific renal anomalies, joint contractures or joint hyperextensibility, dry skin, and cryptorchidism. There is significant phenotypic variability in both the neurologic and extraneurologic manifestations (summary by Tan et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794184">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794263"><div><strong>Spastic paraplegia 85, autosomal recessive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794263</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) Click for more information.">C5562053</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spastic paraplegia-85 (SPG85) is a neurologic disorder characterized by the onset of motor symptoms in the first few years of life. Affected individuals have spasticity and hyperreflexia of the lower limbs resulting in gait abnormalities. Older patients may have upper limb involvement and demonstrate axonal polyneuropathy. Additional features include optic atrophy, dysarthria, dysphagia, ataxia, and urinary incontinence. Brain imaging may show cerebellar atrophy (summary by Wagner et al., 2019). For a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794263">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1794284"><div><strong>Leukodystrophy, hypomyelinating, 23, with ataxia, deafness, liver dysfunction, and dilated cardiomyopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1794284</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) Click for more information.">C5562074</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypomyelinating leukodystrophy-23 with ataxia, deafness, liver dysfunction, and dilated cardiomyopathy (HLD23) is an autosomal recessive neurodegenerative disorder with systemic manifestations. Affected individuals show delayed motor development and ataxic gait in early childhood that progresses to spastic paraplegia with loss of ambulation in the first decades of life. Additional features include progressive sensorineural hearing loss resulting in deafness, hepatic dysfunction with elevated liver enzymes, and dilated cardiomyopathy that ultimately results in death in the first or second decades. Brain imaging shows hypomyelination, diffuse white matter abnormalities consistent with leukodystrophy, and thin corpus callosum (summary by Sferra et al., 2021). For a general phenotypic description and a discussion of genetic heterogeneity of HLD, see 312080.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1794284">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1799316"><div><strong>Autosomal recessive spastic paraplegia type 78</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1799316</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) Click for more information.">C5567893</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive spastic paraplegia-78 is an adult-onset neurodegenerative disorder characterized predominantly by spasticity and muscle weakness of the lower limbs, resulting in gait difficulties and loss of ambulation in some patients. Affected individuals also have cerebellar signs, such as dysarthria, oculomotor disturbances, and limb and gait ataxia; brain imaging shows cerebellar atrophy. Some patients may have mild cognitive impairment or frank dementia. The phenotype is highly variable (summary by Estrada-Cuzcano et al., 2017). Biallelic mutation in the ATP13A2 gene also causes Kufor-Rakeb syndrome (KRS; 606693), a neurodegenerative disorder with overlapping features. Patients with KRS have earlier onset and prominent parkinsonism. Loss of ATP13A2 function results in a multidimensional spectrum of neurologic features reflecting various regions of the brain and nervous system, including cortical, pyramidal, extrapyramidal, brainstem, cerebellar, and peripheral (summary by Estrada-Cuzcano et al., 2017).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1799316">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1800260"><div><strong>Hereditary spastic paraplegia 74</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1800260</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) Click for more information.">C5568837</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Spastic paraplegia-74 (SPG74) is an autosomal recessive neurologic disorder characterized by onset of slowly progressive lower limb spasticity, optic atrophy, and peripheral neuropathy in the first decade (summary by Lossos et al., 2015). For a discussion of genetic heterogeneity of autosomal recessive spastic paraplegia, see SPG5A (270800).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1800260">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1800447"><div><strong>Charcot-Marie-Tooth disease axonal type 2X</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1800447</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) Click for more information.">C5569024</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Charcot-Marie-Tooth disease type 2X (CMT2X) is an autosomal recessive, slowly progressive, axonal peripheral sensorimotor neuropathy characterized by lower limb muscle weakness and atrophy associated with distal sensory impairment and gait difficulties. Some patients also have involvement of the upper limbs. Onset usually occurs in the first 2 decades of life, although later onset can also occur (summary by Montecchiani et al., 2016) For a phenotypic description and a discussion of genetic heterogeneity of axonal CMT, see CMT2A1 (118210).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1800447">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1805365"><div><strong>Leukodystrophy, hypomyelinating, 24</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1805365</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) Click for more information.">C5676974</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Hypomyelinating leukodystrophy-24 (HLD24) is an autosomal dominant disorder characterized by global developmental delay and neurologic deterioration (Segawa et al., 2021). For a general phenotypic description and a discussion of genetic heterogeneity of HLD, see 312080.</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1805365">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1800957"><div><strong>Dworschak-Punetha neurodevelopmental syndrome</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1800957</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) Click for more information.">C5677017</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Dworschak-Punetha neurodevelopmental syndrome (DWOPNED) is an autosomal recessive disorder characterized mainly by global developmental delay and mildly impaired intellectual development (IQ range 77 to 85), often with behavioral abnormalities, including autism spectrum disorder and hyperactivity. Some affected individuals may have only speech delay or behavioral manifestations. More variable additional features include optic disc hypoplasia, ptosis, hypo- or hyperpigmented skin lesions, nonspecific dysmorphic facial features, and brain imaging abnormalities of the ventricles or corpus callosum. Of note, not all patients exhibit all features, and there is significant inter- and intrafamilial phenotypic variability (Dworschak et al., 2021).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1800957">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1823974"><div><strong>Spinal muscular atrophy, distal, autosomal recessive, 6</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1823974</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) Click for more information.">C5774201</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal recessive distal hereditary motor neuronopathy-6 (HMNR6) is a neuromuscular disorder characterized by onset of distal muscle weakness in early infancy. Affected individuals often present at birth with distal joint contractures or foot deformities and show delayed motor development, often with inability to walk or frequent falls. Hypo- or hyperreflexia may be observed; limb muscle atrophy may also be present. Patients often show respiratory distress or diaphragmatic palsy. Electrophysiologic studies are consistent with a peripheral motor neuropathy without sensory involvement (Maroofian et al., 2019). For a discussion of genetic heterogeneity of autosomal recessive distal HMN, see HMNR1 (604320).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1823974">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1824073"><div><strong>Spastic paraplegia 79A, autosomal dominant, with ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1824073</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) Click for more information.">C5774300</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant spastic paraplegia-79A with ataxia (SPG79A) is a slowly progressive neurodegenerative disorder characterized predominantly by cerebellar and/or sensory ataxia and spasticity of the lower limbs leading to gait difficulties. The onset is usually in adulthood (median age of 49 years), but can range from childhood to age 70. Additional common features include sensorimotor neuropathy and visual impairment with optic atrophy. The disorder is slowly progressive (Park et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1824073">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1849676"><div><strong>Neuronopathy, distal hereditary motor, autosomal dominant 11</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1849676</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) Click for more information.">C5882697</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant distal hereditary motor neuronopathy-11 (HMND11) is a peripheral axonal motor neuropathy characterized by juvenile or young-adult onset of distal limb muscle weakness and atrophy mainly affecting the lower limbs, resulting in gait instability and walking difficulties. Foot deformities may also be present. The disorder is usually slowly progressive, and patients remain ambulatory until late adulthood. Some affected individuals may have distal upper limb and hand involvement or mild distal sensory abnormalities, but motor symptoms dominate the clinical picture. Electrophysiologic studies are consistent with a length-dependent axonal motor or sensorimotor neuropathy. Seizures are not present and brain imaging is normal (Beijer et al., 2019). One reported affected individual had a marfanoid habitus and mild speech delay with learning disabilities, suggesting possible expansion of the phenotypic spectrum (Ylikallio et al., 2020). For a discussion of genetic heterogeneity of autosomal dominant distal HMN, see HMND1 (182960).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1849676">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1846222"><div><strong>Spastic paraplegia 91, autosomal dominant, with or without cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1846222</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) Click for more information.">C5882701</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Autosomal dominant spastic paraplegia-91 with or without cerebellar ataxia (SPG91) is a highly variable neurologic disorder characterized by early-onset gait abnormalities due to spastic paraplegia of the lower limbs, sometimes with cerebellar ataxia. The age at onset is highly variable (congenital to young adult), although most patients have symptom onset in the first decade. Some patients present with a spastic paraplegia-predominant phenotype with significant pyramidal signs, whereas others present with an ataxic-predominant phenotype. In addition, although most patients have a more 'pure' phenotype restricted to gait abnormalities without additional features, others have a more 'complicated' phenotype with additional features such as sensory abnormalities, peripheral neuropathy, optic neuropathy, developmental delay, variably impaired intellectual development, and seizures. Many have normal brain imaging, but cerebellar atrophy may be observed in those with prominent cerebellar ataxia (Van de Vondel et al., 2022). For a general phenotypic description and a discussion of genetic heterogeneity of autosomal dominant spastic paraplegia, see SPG3A (182600).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1846222">Condition Record</a></div></div>
|
||
<div class="divPopper rprt" id="rdis_1847831"><div><strong>Neurodegeneration, childhood-onset, with cerebellar ataxia and cognitive decline</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1847831</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) Click for more information.">C5882726</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
|
||
<div class="spaceAbove">Childhood-onset neurodegeneration with cerebellar ataxia and cognitive decline (CONDCAC) is characterized by the onset of progressive gait and truncal ataxia in early childhood. Affected individuals have muscle weakness and atrophy and sensorimotor axonal neuropathy; some may lose ambulation. Additional features include cognitive decline or learning disabilities. Brain imaging shows cerebellar atrophy (Delle Vedove et al., 2022).</div>
|
||
<div class="spaceAbove nowrap">See: <a href="/medgen/1847831">Condition Record</a></div></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_342338" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Adult polyglucosan body disease</a></div>
|
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_162893" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Agenesis of the corpus callosum with peripheral neuropathy</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324539" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Alpha-N-acetylgalactosaminidase deficiency type 2</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_414031" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Amyloidosis, hereditary systemic 1</a></div>
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_767604" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ataxia with oculomotor apraxia type 3</a></div><div class="jig-moreless" data-jigconfig="class: 'moveDown', moreText: 'See full list (83)', lessText: 'Show less', nodeBefore: 0"><span id="clinMore">
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<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_343973" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive ataxia, Beauce type</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_335442" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive cerebellar ataxia-saccadic intrusion syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1799316" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive spastic paraplegia type 78</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_266149" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cardio-facio-cutaneous syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1748867" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cardioencephalomyopathy, fatal infantile, due to cytochrome c oxidase deficiency 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815335" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cardiofaciocutaneous syndrome 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_318633" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia-areflexia-pes cavus-optic atrophy-sensorineural hearing loss syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_324826" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease axonal type 2L</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_413754" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease axonal type 2N</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_906504" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease axonal type 2U</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1800447" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease axonal type 2X</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_350076" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease type 2A1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_815985" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease type 2R</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648461" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease type 5</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934692" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease, axonal, autosomal recessive, type 2a2b;</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1677426" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease, axonal, type 2EE</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_376235" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Charcot-Marie-Tooth disease, dominant intermediate A</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_98277" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Chorea-acanthocytosis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1784506" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Deafness, congenital, and adult-onset progressive leukoencephalopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1684779" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental and epileptic encephalopathy, 80</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1765507" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental delay, impaired growth, dysmorphic facies, and axonal neuropathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1800957" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dworschak-Punetha neurodevelopmental syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934634" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Encephalopathy, progressive, with amyotrophy and optic atrophy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_412638" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Fibrosis of extraocular muscles, congenital, 3A, with or without extraocular involvement</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_400593" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Giant axonal neuropathy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934644" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Harel-Yoon syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_403466" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary angioedema type 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_342492" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary sensory and autonomic neuropathy with spastic paraplegia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_341387" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 15</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_332174" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 28</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1710020" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 30</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_761342" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 55</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_761343" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 56</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1800260" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hereditary spastic paraplegia 74</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1754849" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual developmental disorder with speech delay and axonal peripheral neuropathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_482832" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal dominant 13</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1714250" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Intellectual disability, autosomal dominant 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_392873" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Krabbe disease due to saposin A deficiency</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1677784" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Lethal arthrogryposis-anterior horn cell disease syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794284" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukodystrophy, hypomyelinating, 23, with ataxia, deafness, liver dysfunction, and dilated cardiomyopathy</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1805365" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukodystrophy, hypomyelinating, 24</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370845" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy with brain stem and spinal cord involvement-high lactate syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_373276" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Macular degeneration, age-related, 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_82699" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Metatropic dysplasia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1780329" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial dna depletion syndrome 16B (neuroophthalmic type)</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338045" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mitochondrial DNA depletion syndrome 6 (hepatocerebral type)</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_7349" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Multiple symmetric lipomatosis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1847831" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration, childhood-onset, with cerebellar ataxia and cognitive decline</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794184" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with hypotonia and dysmorphic facies</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1382171" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodevelopmental disorder with hypotonia, neuropathy, and deafness</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1849676" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuronopathy, distal hereditary motor, autosomal dominant 11</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_895482" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuropathy, hereditary motor and sensory, type 6B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_413474" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuropathy, hereditary sensory and autonomic, type 2B</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462322" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neuropathy, hereditary sensory, type 1D</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1648480" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peripheral neuropathy, autosomal recessive, with or without impaired intellectual development</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_370358" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Phosphoribosylpyrophosphate synthetase superactivity</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_862791" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontocerebellar hypoplasia type 9</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1716458" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pontocerebellar hypoplasia, hypotonia, and respiratory insufficiency syndrome, neonatal lethal</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_462323" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive demyelinating neuropathy with bilateral striatal necrosis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_934700" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal recessive 4</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_816615" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Proximal myopathy with extrapyramidal signs</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_375302" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sensory ataxic neuropathy, dysarthria, and ophthalmoparesis</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1824073" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia 79A, autosomal dominant, with ataxia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794263" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia 85, autosomal recessive</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1846222" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia 91, autosomal dominant, with or without cerebellar ataxia</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_896011" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinal muscular atrophy with congenital bone fractures 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_907910" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinal muscular atrophy with congenital bone fractures 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1823974" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinal muscular atrophy, distal, autosomal recessive, 6</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338703" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 34</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1379865" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia type 38</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1788435" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive 29</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1683470" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 1</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_340052" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 2</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1673607" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spinocerebellar ataxia, autosomal recessive, with axonal neuropathy 3</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_461946" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Susceptibility to mononeuropathy of the median nerve, mild</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_52644" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Tangier disease</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_338532" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Trichomegaly-retina pigmentary degeneration-dwarfism syndrome</a></div>
|
||
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#rdis_1794160" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Visceral neuropathy, familial, 2, autosomal recessive</a></div></span></div></div>
|
||
</div>
|
||
|
||
<div class="portlet mgSection" id="ID_105">
|
||
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Professional_guidelines">Professional guidelines</h1><a sid="105" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
|
||
<div class="portlet_content ln"><h3 class="subhead">PubMed<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpPM"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/39236307">Comparison of the diagnostic accuracy of the 2010 European Federation of Neurological Societies/Peripheral Nerve Society and American Association of Electrodiagnostic Medicine diagnostic criteria for multifocal motor neuropathy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Doneddu PE,
|
||
Gallo C,
|
||
Gentile L,
|
||
Cocito D,
|
||
Falzone Y,
|
||
Di Stefano V,
|
||
Inghilleri M,
|
||
Cosentino G,
|
||
Matà S,
|
||
Mazzeo A,
|
||
Filosto M,
|
||
Peci E,
|
||
Sorrenti B,
|
||
Brighina F,
|
||
Moret F,
|
||
Vegezzi E,
|
||
Sperti M,
|
||
Risi B,
|
||
Nobile-Orazio E;
|
||
on the behalf of the Italian MMN Database Study Group</span><br />
|
||
<span class="medgenPMjournal">Eur J Neurol</span>
|
||
2024 Dec;31(12):e16444.
|
||
Epub 2024 Sep 5
|
||
doi: 10.1111/ene.16444.
|
||
<span class="bold">PMID: </span><a href="/pubmed/39236307" target="_blank">39236307</a><a href="/pmc/articles/PMC11554852" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/36190959">Comparison of the diagnostic accuracy of the 2021 EAN/PNS and 2010 EFNS/PNS diagnostic criteria for chronic inflammatory demyelinating polyradiculoneuropathy.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Doneddu PE,
|
||
De Lorenzo A,
|
||
Manganelli F,
|
||
Cocito D,
|
||
Fazio R,
|
||
Briani C,
|
||
Mazzeo A,
|
||
Filosto M,
|
||
Cosentino G,
|
||
Benedetti L,
|
||
Schenone A,
|
||
Marfia GA,
|
||
Antonini G,
|
||
Matà S,
|
||
Luigetti M,
|
||
Liberatore G,
|
||
Spina E,
|
||
Peci E,
|
||
Strano C,
|
||
Cacciavillani M,
|
||
Gentile L,
|
||
Cotti Piccinelli S,
|
||
Cortese A,
|
||
Bianchi E,
|
||
Nobile-Orazio E</span><br />
|
||
<span class="medgenPMjournal">J Neurol Neurosurg Psychiatry</span>
|
||
2022 Dec;93(12):1239-1246.
|
||
Epub 2022 Sep 8
|
||
doi: 10.1136/jnnp-2022-329357.
|
||
<span class="bold">PMID: </span><a href="/pubmed/36190959" target="_blank">36190959</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26768265">Management approaches for suspected and established Lyme disease used at the Lyme disease diagnostic center.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Wormser GP,
|
||
McKenna D,
|
||
Nowakowski J</span><br />
|
||
<span class="medgenPMjournal">Wien Klin Wochenschr</span>
|
||
2018 Aug;130(15-16):463-467.
|
||
Epub 2016 Jan 14
|
||
doi: 10.1007/s00508-015-0936-y.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26768265" target="_blank">26768265</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22peripheral%20axonal%20neuropathy%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">See all (4)</a></div><h3 class="subhead">Curated<a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#guidelinesHelpCurated"><img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a></h3><h3 class="nl vspace"><a href="https://www.nice.org.uk/guidance/cg148" target="_blank">UK NICE Clinical guideline (CG148), Urinary incontinence in neurological disease: assessment and management, 2023</a></h3>
|
||
</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/30758437">Hereditary spastic paraplegia: a clinical and epidemiological study of a Brazilian pediatric population.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Ortega RPM,
|
||
Rosemberg S</span><br />
|
||
<span class="medgenPMjournal">Arq Neuropsiquiatr</span>
|
||
2019 Jan;77(1):10-18.
|
||
doi: 10.1590/0004-282X20180153.
|
||
<span class="bold">PMID: </span><a href="/pubmed/30758437" target="_blank">30758437</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26556829">ALS5/SPG11/KIAA1840 mutations cause autosomal recessive axonal Charcot-Marie-Tooth disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Montecchiani C,
|
||
Pedace L,
|
||
Lo Giudice T,
|
||
Casella A,
|
||
Mearini M,
|
||
Gaudiello F,
|
||
Pedroso JL,
|
||
Terracciano C,
|
||
Caltagirone C,
|
||
Massa R,
|
||
St George-Hyslop PH,
|
||
Barsottini OG,
|
||
Kawarai T,
|
||
Orlacchio A</span><br />
|
||
<span class="medgenPMjournal">Brain</span>
|
||
2016 Jan;139(Pt 1):73-85.
|
||
Epub 2015 Nov 10
|
||
doi: 10.1093/brain/awv320.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26556829" target="_blank">26556829</a><a href="/pmc/articles/PMC5839554" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/19768759">Evolution of the phenotype in a family with an LMNA gene mutation presenting with isolated cardiac involvement.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Carboni N,
|
||
Porcu M,
|
||
Mura M,
|
||
Cocco E,
|
||
Marrosu G,
|
||
Maioli MA,
|
||
Solla E,
|
||
Tranquilli S,
|
||
Orrù P,
|
||
Marrosu MG</span><br />
|
||
<span class="medgenPMjournal">Muscle Nerve</span>
|
||
2010 Jan;41(1):85-91.
|
||
doi: 10.1002/mus.21443.
|
||
<span class="bold">PMID: </span><a href="/pubmed/19768759" target="_blank">19768759</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/19629903">Infantile onset neurofibromatosis type 2 presenting with peripheral facial palsy, skin patches, retinal hamartoma and foot drop.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Tibussek D,
|
||
Hübsch S,
|
||
Berger K,
|
||
Schaper J,
|
||
Rosenbaum T,
|
||
Mayatepek E</span><br />
|
||
<span class="medgenPMjournal">Klin Padiatr</span>
|
||
2009 Jul-Aug;221(4):247-50.
|
||
Epub 2009 Jul 23
|
||
doi: 10.1055/s-0028-1112155.
|
||
<span class="bold">PMID: </span><a href="/pubmed/19629903" target="_blank">19629903</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/7885351">Evidence of peripheral axonal neuropathy in primary restless legs syndrome.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Iannaccone S,
|
||
Zucconi M,
|
||
Marchettini P,
|
||
Ferini-Strambi L,
|
||
Nemni R,
|
||
Quattrini A,
|
||
Palazzi S,
|
||
Lacerenza M,
|
||
Formaglio F,
|
||
Smirne S</span><br />
|
||
<span class="medgenPMjournal">Mov Disord</span>
|
||
1995 Jan;10(1):2-9.
|
||
doi: 10.1002/mds.870100103.
|
||
<span class="bold">PMID: </span><a href="/pubmed/7885351" target="_blank">7885351</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Peripheral%20axonal%20neuropathy%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 (5)</a></div><h3 class="subhead">Diagnosis</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/37692987">Efficacy of rituximab in refractory polyarteritis nodosa: a case report.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Boukhris I,
|
||
Hamdi MS,
|
||
Hariz A,
|
||
Kesentini M,
|
||
Azzabi S,
|
||
Cherif E,
|
||
Kechaou I,
|
||
Hassine LB</span><br />
|
||
<span class="medgenPMjournal">Pan Afr Med J</span>
|
||
2023;45:92.
|
||
Epub 2023 Jun 21
|
||
doi: 10.11604/pamj.2023.45.92.36496.
|
||
<span class="bold">PMID: </span><a href="/pubmed/37692987" target="_blank">37692987</a><a href="/pmc/articles/PMC10491718" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/25695920">A novel mutation in motor domain of KIF5A associated with an HSP/axonal neuropathy phenotype.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Rinaldi F,
|
||
Bassi MT,
|
||
Todeschini A,
|
||
Rota S,
|
||
Arnoldi A,
|
||
Padovani A,
|
||
Filosto M</span><br />
|
||
<span class="medgenPMjournal">J Clin Neuromuscul Dis</span>
|
||
2015 Mar;16(3):153-8.
|
||
doi: 10.1097/CND.0000000000000063.
|
||
<span class="bold">PMID: </span><a href="/pubmed/25695920" target="_blank">25695920</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/19768759">Evolution of the phenotype in a family with an LMNA gene mutation presenting with isolated cardiac involvement.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Carboni N,
|
||
Porcu M,
|
||
Mura M,
|
||
Cocco E,
|
||
Marrosu G,
|
||
Maioli MA,
|
||
Solla E,
|
||
Tranquilli S,
|
||
Orrù P,
|
||
Marrosu MG</span><br />
|
||
<span class="medgenPMjournal">Muscle Nerve</span>
|
||
2010 Jan;41(1):85-91.
|
||
doi: 10.1002/mus.21443.
|
||
<span class="bold">PMID: </span><a href="/pubmed/19768759" target="_blank">19768759</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/19697151">Insidious peripheral neuropathy occurring under treatment in infantile MTHFR deficiency.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Chaabene-Masmoudi A,
|
||
Mesrati F,
|
||
Zittoun J,
|
||
Landrieu P</span><br />
|
||
<span class="medgenPMjournal">J Inherit Metab Dis</span>
|
||
2009 Dec;32 Suppl 1:S303-6.
|
||
Epub 2009 Aug 21
|
||
doi: 10.1007/s10545-009-1240-7.
|
||
<span class="bold">PMID: </span><a href="/pubmed/19697151" target="_blank">19697151</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/7885351">Evidence of peripheral axonal neuropathy in primary restless legs syndrome.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Iannaccone S,
|
||
Zucconi M,
|
||
Marchettini P,
|
||
Ferini-Strambi L,
|
||
Nemni R,
|
||
Quattrini A,
|
||
Palazzi S,
|
||
Lacerenza M,
|
||
Formaglio F,
|
||
Smirne S</span><br />
|
||
<span class="medgenPMjournal">Mov Disord</span>
|
||
1995 Jan;10(1):2-9.
|
||
doi: 10.1002/mds.870100103.
|
||
<span class="bold">PMID: </span><a href="/pubmed/7885351" target="_blank">7885351</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Peripheral%20axonal%20neuropathy%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 (6)</a></div><h3 class="subhead">Therapy</h3>
|
||
<div class="nl"><a target="_blank" href="/pubmed/12615652">Muscle cramp in Machado-Joseph disease: altered motor axonal excitability properties and mexiletine treatment.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Kanai K,
|
||
Kuwabara S,
|
||
Arai K,
|
||
Sung JY,
|
||
Ogawara K,
|
||
Hattori T</span><br />
|
||
<span class="medgenPMjournal">Brain</span>
|
||
2003 Apr;126(Pt 4):965-73.
|
||
doi: 10.1093/brain/awg073.
|
||
<span class="bold">PMID: </span><a href="/pubmed/12615652" target="_blank">12615652</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/10602858">Acute intermittent porphyria with central pontine myelinolysis and cortical laminar necrosis.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Susa S,
|
||
Daimon M,
|
||
Morita Y,
|
||
Kitagawa M,
|
||
Hirata A,
|
||
Manaka H,
|
||
Sasaki H,
|
||
Kato T</span><br />
|
||
<span class="medgenPMjournal">Neuroradiology</span>
|
||
1999 Nov;41(11):835-9.
|
||
doi: 10.1007/s002340050852.
|
||
<span class="bold">PMID: </span><a href="/pubmed/10602858" target="_blank">10602858</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Peripheral%20axonal%20neuropathy%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/33544541">SLC25A19 deficiency and bilateral striatal necrosis with polyneuropathy: a new case and review of the literature.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Porta F,
|
||
Siri B,
|
||
Chiesa N,
|
||
Ricci F,
|
||
Nika L,
|
||
Sciortino P,
|
||
Spada M</span><br />
|
||
<span class="medgenPMjournal">J Pediatr Endocrinol Metab</span>
|
||
2021 Feb 23;34(2):261-266.
|
||
Epub 2020 Nov 19
|
||
doi: 10.1515/jpem-2020-0139.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33544541" target="_blank">33544541</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/28899595">Peripheral nerve pathology at fixed stage in spinal muscular atrophy with respiratory distress type 1.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Ikeda A,
|
||
Yamashita S,
|
||
Tsuyusaki Y,
|
||
Tanaka M,
|
||
Tanaka Y,
|
||
Hashiguchi A,
|
||
Takashima H,
|
||
Goto T</span><br />
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||
<span class="medgenPMjournal">Brain Dev</span>
|
||
2018 Feb;40(2):155-158.
|
||
Epub 2017 Sep 9
|
||
doi: 10.1016/j.braindev.2017.08.004.
|
||
<span class="bold">PMID: </span><a href="/pubmed/28899595" target="_blank">28899595</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26556829">ALS5/SPG11/KIAA1840 mutations cause autosomal recessive axonal Charcot-Marie-Tooth disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Montecchiani C,
|
||
Pedace L,
|
||
Lo Giudice T,
|
||
Casella A,
|
||
Mearini M,
|
||
Gaudiello F,
|
||
Pedroso JL,
|
||
Terracciano C,
|
||
Caltagirone C,
|
||
Massa R,
|
||
St George-Hyslop PH,
|
||
Barsottini OG,
|
||
Kawarai T,
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||
Orlacchio A</span><br />
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||
<span class="medgenPMjournal">Brain</span>
|
||
2016 Jan;139(Pt 1):73-85.
|
||
Epub 2015 Nov 10
|
||
doi: 10.1093/brain/awv320.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26556829" target="_blank">26556829</a><a href="/pmc/articles/PMC5839554" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/19768759">Evolution of the phenotype in a family with an LMNA gene mutation presenting with isolated cardiac involvement.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Carboni N,
|
||
Porcu M,
|
||
Mura M,
|
||
Cocco E,
|
||
Marrosu G,
|
||
Maioli MA,
|
||
Solla E,
|
||
Tranquilli S,
|
||
Orrù P,
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Marrosu MG</span><br />
|
||
<span class="medgenPMjournal">Muscle Nerve</span>
|
||
2010 Jan;41(1):85-91.
|
||
doi: 10.1002/mus.21443.
|
||
<span class="bold">PMID: </span><a href="/pubmed/19768759" target="_blank">19768759</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/19629903">Infantile onset neurofibromatosis type 2 presenting with peripheral facial palsy, skin patches, retinal hamartoma and foot drop.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Tibussek D,
|
||
Hübsch S,
|
||
Berger K,
|
||
Schaper J,
|
||
Rosenbaum T,
|
||
Mayatepek E</span><br />
|
||
<span class="medgenPMjournal">Klin Padiatr</span>
|
||
2009 Jul-Aug;221(4):247-50.
|
||
Epub 2009 Jul 23
|
||
doi: 10.1055/s-0028-1112155.
|
||
<span class="bold">PMID: </span><a href="/pubmed/19629903" target="_blank">19629903</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Peripheral%20axonal%20neuropathy%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/33544541">SLC25A19 deficiency and bilateral striatal necrosis with polyneuropathy: a new case and review of the literature.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Porta F,
|
||
Siri B,
|
||
Chiesa N,
|
||
Ricci F,
|
||
Nika L,
|
||
Sciortino P,
|
||
Spada M</span><br />
|
||
<span class="medgenPMjournal">J Pediatr Endocrinol Metab</span>
|
||
2021 Feb 23;34(2):261-266.
|
||
Epub 2020 Nov 19
|
||
doi: 10.1515/jpem-2020-0139.
|
||
<span class="bold">PMID: </span><a href="/pubmed/33544541" target="_blank">33544541</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/32004679">Expanding the clinical and neuroimaging features of NKX6-2-related hereditary spastic ataxia type 8.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Hosseini Bereshneh A,
|
||
Hosseipour S,
|
||
Rasoulinezhad MS,
|
||
Pak N,
|
||
Garshasbi M,
|
||
Tavasoli AR</span><br />
|
||
<span class="medgenPMjournal">Eur J Med Genet</span>
|
||
2020 May;63(5):103868.
|
||
Epub 2020 Jan 28
|
||
doi: 10.1016/j.ejmg.2020.103868.
|
||
<span class="bold">PMID: </span><a href="/pubmed/32004679" target="_blank">32004679</a></div>
|
||
|
||
<div class="nl"><a target="_blank" href="/pubmed/26556829">ALS5/SPG11/KIAA1840 mutations cause autosomal recessive axonal Charcot-Marie-Tooth disease.</a></div>
|
||
<div class="portlet_content ln"><span class="medgenPMauthor">Montecchiani C,
|
||
Pedace L,
|
||
Lo Giudice T,
|
||
Casella A,
|
||
Mearini M,
|
||
Gaudiello F,
|
||
Pedroso JL,
|
||
Terracciano C,
|
||
Caltagirone C,
|
||
Massa R,
|
||
St George-Hyslop PH,
|
||
Barsottini OG,
|
||
Kawarai T,
|
||
Orlacchio A</span><br />
|
||
<span class="medgenPMjournal">Brain</span>
|
||
2016 Jan;139(Pt 1):73-85.
|
||
Epub 2015 Nov 10
|
||
doi: 10.1093/brain/awv320.
|
||
<span class="bold">PMID: </span><a href="/pubmed/26556829" target="_blank">26556829</a><a href="/pmc/articles/PMC5839554" target="_blank" class="PubMedFree">Free PMC Article</a></div>
|
||
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Peripheral%20axonal%20neuropathy%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 (3)</a></div></div>
|
||
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|
||
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|
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|
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|
||
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|
||
<div class="supplemental col three_col last">
|
||
<h2 class="offscreen_noflow">Supplemental Content</h2>
|
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|
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|
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C1263857%5bDISCUI%5d&filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (13)</a></li>
|
||
<li><a href="/gtr/tests?term=C1263857%5bDISCUI%5d&filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (13)</a></li>
|
||
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C1263857%5bDISCUI%5d" target="_blank">See all (13)</a></total></li>
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<div class="portlet_content ln"><ul><li><a href="https://clinicaltrials.gov/search?cond=Peripheral%20axonal%20neuropathy" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(%22peripheral%20axonal%20neuropathy%22%5Btiab%3A~0%5D)%20AND%20(%22english%20and%20humans%22%5BFilter%5D)%20AND%20(%20(%22practice%20guideline%22%5BFilter%5D)%20OR%20(practice*%5Btitl%5D%20AND%20(guideline%5Btitl%5D%20OR%20parameter%5Btitl%5D%20OR%20resource%5Btitl%5D%20OR%20bulletin%5Btitl%5D%20OR%20best%5Btitl%5D))%20OR%20(genetic*%5Btitl%5D%20AND%20(evaluation%5Btitl%5D%20OR%20counseling%5Btitl%5D%20OR%20screening%5Btitl%5D%20OR%20test*%5Btitl%5D))%20OR%20(clinical%5Btitl%5D%20AND%20((expert%5Btitl%5D%20AND%20consensus%5Btitl%5D)%20OR%20utility%5Btitl%5D%20OR%20guideline*%5Btitl%5D))%20OR%20(management%5Btitl%5D%20AND%20(clinical%5Btitl%5D%20OR%20diagnos*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20pain%5Btitl%5D%20OR%20surveillance%5Btitl%5D%20OR%20emergency%5Btitl%5D%20OR%20guideline*%5Btitl%5D%20OR%20therap*))%20OR%20(treatment%5Btitl%5D%20AND%20((evaluation%5Btitl%5D%20AND%20diagnosis%5Btitl%5D)%20OR%20(assessment%5Btitl%5D%20AND%20prevention%5Btitl%5D)%20OR%20therap*))%20OR%20(Diagnos*%5Btitl%5D%20AND%20(prenatal%5Btitl%5D%20OR%20treatment%5Btitl%5D%20OR%20follow-up%5Btitl%5D%20OR%20statement%5Btitl%5D%20OR%20criteria%5Btitl%5D%20OR%20newborn%5Btitl%5D%20OR%20differential%5Btitl%5D%20OR%20neonatal%5Btitl%5D%20OR%20neonate%5Btitl%5D))%20OR%20(guideline*%5Btitl%5D%20AND%20(pharmacogenetic*%5Btitl%5D%20OR%20recommendation%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20evidence-based%5Btitl%5D%20OR%20consensus%5Btitl%5D%20OR%20(technical%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20(molecular%5Btitl%5D%20AND%20testing%5Btitl%5D)))%20OR%20(risk%5Btitl%5D%20AND%20assessment%5Btitl%5D)%20OR%20(recommendation*%5Btitl%5D%20AND%20(statement%5Btitl%5D%20OR%20Evidence-based%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(care%20AND%20((Patient%5Btitl%5D%20AND%20standard*%5Btitl%5D)%20OR%20primary%5Btitl%5D%20OR%20psychosocial%5Btitl%5D))%20OR%20(Health%5Btitl%5D%20AND%20supervision%5Btitl%5D)%20OR%20(statement%5Btitl%5D%20AND%20(policy%5Btitl%5D%20OR%20position%5Btitl%5D%20OR%20Consensus%5Btitl%5D))%20OR%20(pharmacogenetics%5Btitl%5D%20AND%20(Dosing%5Btitl%5D%20OR%20therap*%5Btitl%5D%20OR%20genotype*%5Btitl%5D%20OR%20drug*%5Btitl%5D))%20OR%20(Chemotherapy%5Btitl%5D%20AND%20decision*%5Btitl%5D)%20OR%20(screening%5Btitl%5D%20AND%20(newborn%5Btitl%5D%20OR%20neonat*%5Btitl%5D%20OR%20detection%5Btitl%5D%20OR%20diagnos*%5Btitl%5D))%20OR%20(criteria%5Btitl%5D%20OR%20genotype*%5Btitl%5D)%20)%20NOT%20(%22Case%20reports%22%5BPublication%20type%5D%20OR%20%22clinical%20study%22%5BPublication%20Type%5D%20OR%20%22randomized%20controlled%20trial%22%5BPublication%20Type%5D)" title="PubMed search">PubMed</a><div class="help-popup">See practice and clinical guidelines in PubMed. The search results may include broader topics and may not capture all published guidelines. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div></li></ul><h3 class="subhead">Curated</h3><ul class="a_poppers"><li><a target="_blank" href="https://www.nice.org.uk/guidance/cg148">NICE, 2023</a><div>UK NICE Clinical guideline (CG148), Urinary incontinence in neurological disease: assessment and management, 2023</div></li></ul></div>
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