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<meta name="keywords" content="C5542996, disease or syndrome, kars1, lepid, leukoencephalopathy, progressive, infantile-onset, with or without deafness, autosomal dominant, autosomal recessive, birth defects, chromosomal disease, chromosome, clinical features, clinical findings, clinical genetics, clinical recommendations, clinvar, congenital chromosomal disease, consumer genetic resources, cytogenetic location, disease characteristics, disease definitions, disease descriptions, disease ontology, disease synonyms, disease vocabulary, dysmorphology, entrez, familial disease, gene, gene-disease relationship, genereviews, genetic disease, genetic disorder, genetic terminology, genetic testing registry, genetics home reference, genomic disease, gtr, hereditary disease, heritable disease, hpo, human phenotype ontology, inherited disease, management guidelines, maternal inheritance, medgen, medical genetics, medical subject headings, mesh, mitochondrial inheritance, mode of inheritance, national center for biotechnology information, national institutes of health, national library of medicine, ncbi, nih, nlm, omim, ordo, orphanet, paternal inheritance, phenome, position statements, professional practice guidelines, rare disease, reference sequence, refseq, snomed ct, syndrome, undiagnosed diseases, x-linked recessive" /><meta name="description" content="Infantile-onset progressive leukoencephalopathy with or without deafness (LEPID) is an autosomal recessive complex neurodegenerative disorder with onset of symptoms in infancy or early childhood. Most patients present with sensorineural deafness or hypoacousia and global developmental delay. Affected individuals show episodic regression with progressive motor deterioration resulting in spastic tetraplegia and loss of ambulation, as well as impaired intellectual development with poor or absent speech. Additional more variable features may include poor overall growth with microcephaly, seizures, visual loss, microcytic anemia, and hepatic enlargement or abnormal liver enzymes. Brain imaging shows deep white matter abnormalities consistent with a progressive leukoencephalopathy. The brain and spinal cord are usually both involved; calcifications of these regions are often observed. Laboratory studies show increased serum lactate and deficiencies of mitochondrial respiratory chain complexes, consistent with global mitochondrial dysfunction. Early death often occurs (summary by Itoh et al., 2019)." /><meta name="robots" content="index,nofollow,noarchive" />
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<title>Leukoencephalopathy, progressive, infantile-onset, with or without deafness (Concept Id: C5542996)
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<!--
UID=1779519
ConceptID=C5542996
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Leukoencephalopathy, progressive, infantile-onset, with or without deafness<span class="h1sub">(LEPID)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1779519</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">C5542996</span></a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div><table class="medgenTable"><tbody><tr><td>Synonyms:</td>
<td>LEPID; LEUKOENCEPHALOPATHY, PROGRESSIVE, INFANTILE-ONSET, WITH OR WITHOUT DEAFNESS</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td><a class="help jig-ncbi-popper" data-jig="ncbipopper" href="#target-gene-loc">Gene (location):<img class="pulldown" src="//static.pubmed.gov/portal/portal3rc.fcgi/4223267/img/4204968" /></a><div class="display-none" id="target-gene-loc">
Gene(s) directly associated with<br />
this condition or phenotype.</div></td>
<td><a target="_blank" title="KARS1 - ID: 3735 - NCBI Gene" href="/gene/3735" class="medgenPMinfo">KARS1</a> (16q23.1)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0030893" target="_blank">MONDO:0030893</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/619147" target="_blank">619147</a></td></tr>
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<div class="portlet mgSection" id="ID_100">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Definition">Definition</h1><a sid="100" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">Infantile-onset progressive leukoencephalopathy with or without deafness (LEPID) is an autosomal recessive complex neurodegenerative disorder with onset of symptoms in infancy or early childhood. Most patients present with sensorineural deafness or hypoacousia and global developmental delay. Affected individuals show episodic regression with progressive motor deterioration resulting in spastic tetraplegia and loss of ambulation, as well as impaired intellectual development with poor or absent speech. Additional more variable features may include poor overall growth with microcephaly, seizures, visual loss, microcytic anemia, and hepatic enlargement or abnormal liver enzymes. Brain imaging shows deep white matter abnormalities consistent with a progressive leukoencephalopathy. The brain and spinal cord are usually both involved; calcifications of these regions are often observed. Laboratory studies show increased serum lactate and deficiencies of mitochondrial respiratory chain complexes, consistent with global mitochondrial dysfunction. Early death often occurs (summary by Itoh et al., 2019). [from <a title="Online Mendelian Inheritance in Man" href="http://www.omim.org" class="defSource" target="_blank">OMIM</a>]</div>
</div>
<div class="portlet mgSection" id="ID_102">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_features">Clinical features</h1><a sid="102" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln clinfeat"><strong>From HPO</strong><br />
<div class="divPopper rprt" id="clin_332529"><div><strong>Renal insufficiency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332529</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1565489</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A reduction in the level of performance of the kidneys in areas of function comprising the concentration of urine, removal of wastes, the maintenance of electrolyte balance, homeostasis of blood pressure, and calcium metabolism.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/332529">Feature record</a> | <a href="/medgen?term=%22Renal%20insufficiency%22%5BClinical%20Features%5D%20OR%20332529%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_868438"><div><strong>Mild proteinuria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>868438</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4022832</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Mildly increased levels of protein in the urine (150-500 mg per day in adults).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/868438">Feature record</a> | <a href="/medgen?term=%22Mild%20proteinuria%22%5BClinical%20Features%5D%20OR%20868438%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_65920"><div><strong>Small for gestational age</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>65920</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0235991</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Smaller than normal size according to sex and gestational age related norms, defined as a weight below the 10th percentile for the gestational age.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/65920">Feature record</a> | <a href="/medgen?term=%22Small%20for%20gestational%20age%22%5BClinical%20Features%5D%20OR%2065920%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_99124"><div><strong>Growth delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>99124</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0456070</a></dd><dt><span class="dotprefix"></span></dt><dd>Pathologic Function</dd></dl></div></div></div>
<div class="spaceAbove">A deficiency or slowing down of growth pre- and postnatally.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/99124">Feature record</a> | <a href="/medgen?term=%22Growth%20delay%22%5BClinical%20Features%5D%20OR%2099124%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_746019"><div><strong>Failure to thrive</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>746019</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C2315100</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/746019">Feature record</a> | <a href="/medgen?term=%22Failure%20to%20thrive%22%5BClinical%20Features%5D%20OR%20746019%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_12124"><div><strong>Vomiting</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>12124</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0042963</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">Forceful ejection of the contents of the stomach through the mouth by means of a series of involuntary spasmic contractions.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/12124">Feature record</a> | <a href="/medgen?term=%22Vomiting%22%5BClinical%20Features%5D%20OR%2012124%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_9164"><div><strong>Sensorineural hearing loss disorder</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>9164</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0018784</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/9164">Feature record</a> | <a href="/medgen?term=%22Sensorineural%20hearing%20loss%20disorder%22%5BClinical%20Features%5D%20OR%209164%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_356101"><div><strong>Congenital sensorineural hearing impairment</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>356101</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1865866</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A type of hearing impairment caused by an abnormal functionality of the cochlear nerve with congenital onset.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/356101">Feature record</a> | <a href="/medgen?term=%22Congenital%20sensorineural%20hearing%20impairment%22%5BClinical%20Features%5D%20OR%20356101%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_20693"><div><strong>Seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>20693</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0036572</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/20693">Feature record</a> | <a href="/medgen?term=%22Seizure%22%5BClinical%20Features%5D%20OR%2020693%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_43218"><div><strong>Akinesia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>43218</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0085623</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Inability to initiate changes in activity or movement and to perform ordinary volitional movements rapidly and easily.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/43218">Feature record</a> | <a href="/medgen?term=%22Akinesia%22%5BClinical%20Features%5D%20OR%2043218%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66034"><div><strong>Delayed ability to walk</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66034</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0241726</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A failure to achieve the ability to walk at an appropriate developmental stage. Most children learn to walk in a series of stages, and learn to walk short distances independently between 12 and 15 months.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66034">Feature record</a> | <a href="/medgen?term=%22Delayed%20ability%20to%20walk%22%5BClinical%20Features%5D%20OR%2066034%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_78722"><div><strong>Leukoencephalopathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>78722</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0270612</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">This term describes abnormality of the white matter of the cerebrum resulting from damage to the myelin sheaths of nerve cells.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/78722">Feature record</a> | <a href="/medgen?term=%22Leukoencephalopathy%22%5BClinical%20Features%5D%20OR%2078722%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_98433"><div><strong>Spastic tetraplegia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>98433</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0426970</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Spastic paralysis affecting all four limbs.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/98433">Feature record</a> | <a href="/medgen?term=%22Spastic%20tetraplegia%22%5BClinical%20Features%5D%20OR%2098433%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_107838"><div><strong>Global developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>107838</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0557874</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/107838">Feature record</a> | <a href="/medgen?term=%22Global%20developmental%20delay%22%5BClinical%20Features%5D%20OR%20107838%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_322935"><div><strong>Generalized tonic seizure</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>322935</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1836508</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A generalized tonic seizure is a type of generalized motor seizure characterized by bilateral limb stiffening or elevation, often with neck stiffening without a subsequent clonic phase. The tonic activity can be a sustained abnormal posture, either in extension or flexion, sometimes accompanied by tremor of the extremities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/322935">Feature record</a> | <a href="/medgen?term=%22Generalized%20tonic%20seizure%22%5BClinical%20Features%5D%20OR%20322935%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_324613"><div><strong>Developmental regression</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>324613</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1836830</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Loss of developmental skills, as manifested by loss of developmental milestones.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/324613">Feature record</a> | <a href="/medgen?term=%22Developmental%20regression%22%5BClinical%20Features%5D%20OR%20324613%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_332436"><div><strong>Severe global developmental delay</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332436</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1837397</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A severe delay in the achievement of motor or mental milestones in the domains of development of a child.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/332436">Feature record</a> | <a href="/medgen?term=%22Severe%20global%20developmental%20delay%22%5BClinical%20Features%5D%20OR%20332436%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_340737"><div><strong>Absent speech</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>340737</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1854882</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Complete lack of development of speech and language abilities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/340737">Feature record</a> | <a href="/medgen?term=%22Absent%20speech%22%5BClinical%20Features%5D%20OR%20340737%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_892624"><div><strong>Decreased CSF biopterin level</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>892624</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4073157</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Concentration of biopterin in the cerebrospinal fluid (CSF) below the lower limit of normal.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/892624">Feature record</a> | <a href="/medgen?term=%22Decreased%20CSF%20biopterin%20level%22%5BClinical%20Features%5D%20OR%20892624%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1526"><div><strong>Anemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1526</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0002871</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A reduction in erythrocytes volume or hemoglobin concentration.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1526">Feature record</a> | <a href="/medgen?term=%22Anemia%22%5BClinical%20Features%5D%20OR%201526%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_124413"><div><strong>Hypochromic microcytic anemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>124413</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0271901</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A type of anemia characterized by an abnormally low concentration of hemoglobin in the erythrocytes and lower than normal size of the erythrocytes.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/124413">Feature record</a> | <a href="/medgen?term=%22Hypochromic%20microcytic%20anemia%22%5BClinical%20Features%5D%20OR%20124413%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_10132"><div><strong>Hypertonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>10132</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0026826</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A condition in which there is increased muscle tone so that arms or legs, for example, are stiff and difficult to move.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/10132">Feature record</a> | <a href="/medgen?term=%22Hypertonia%22%5BClinical%20Features%5D%20OR%2010132%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_10133"><div><strong>Hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>10133</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0026827</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/10133">Feature record</a> | <a href="/medgen?term=%22Hypotonia%22%5BClinical%20Features%5D%20OR%2010133%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_124360"><div><strong>Cerebral calcification</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>124360</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0270685</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">The presence of calcium deposition within the cerebrum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/124360">Feature record</a> | <a href="/medgen?term=%22Cerebral%20calcification%22%5BClinical%20Features%5D%20OR%20124360%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_108148"><div><strong>Delayed skeletal maturation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>108148</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0541764</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A decreased rate of skeletal maturation. Delayed skeletal maturation can be diagnosed on the basis of an estimation of the bone age from radiographs of specific bones in the human body.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/108148">Feature record</a> | <a href="/medgen?term=%22Delayed%20skeletal%20maturation%22%5BClinical%20Features%5D%20OR%20108148%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1644158"><div><strong>Microcephaly</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1644158</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4551563</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Head circumference below 2 standard deviations below the mean for age and gender.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1644158">Feature record</a> | <a href="/medgen?term=%22Microcephaly%22%5BClinical%20Features%5D%20OR%201644158%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_7206"><div><strong>Ketosis</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>7206</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0022638</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Presence of elevated levels of ketone bodies in the body.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/7206">Feature record</a> | <a href="/medgen?term=%22Ketosis%22%5BClinical%20Features%5D%20OR%207206%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_75702"><div><strong>Hyper-beta-alaninemia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>75702</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0268630</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">An increased concentration of alanine in the blood.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/75702">Feature record</a> | <a href="/medgen?term=%22Hyper-beta-alaninemia%22%5BClinical%20Features%5D%20OR%2075702%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_332209"><div><strong>Increased circulating lactate concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>332209</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1836440</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Abnormally increased level of blood lactate (2-hydroxypropanoic acid). Lactate is produced from pyruvate by lactate dehydrogenase during normal metabolism. The terms lactate and lactic acid are often used interchangeably but lactate (the component measured in blood) is strictly a weak base whereas lactic acid is the corresponding acid. Lactic acidosis is often used clinically to describe elevated lactate but should be reserved for cases where there is a corresponding acidosis (pH below 7.35).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/332209">Feature record</a> | <a href="/medgen?term=%22Increased%20circulating%20lactate%20concentration%22%5BClinical%20Features%5D%20OR%20332209%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_44435"><div><strong>Narrow mouth</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>44435</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0026034</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">Distance between the commissures of the mouth more than 2 SD below the mean. Alternatively, an apparently decreased width of the oral aperture (subjective).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/44435">Feature record</a> | <a href="/medgen?term=%22Narrow%20mouth%22%5BClinical%20Features%5D%20OR%2044435%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_351278"><div><strong>Long philtrum</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>351278</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1865014</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Alternatively, an apparently increased distance between nasal base and midline upper lip vermilion border.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/351278">Feature record</a> | <a href="/medgen?term=%22Long%20philtrum%22%5BClinical%20Features%5D%20OR%20351278%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_6991"><div><strong>Hypothyroidism</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>6991</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0020676</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Deficiency of thyroid hormone.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/6991">Feature record</a> | <a href="/medgen?term=%22Hypothyroidism%22%5BClinical%20Features%5D%20OR%206991%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_45166"><div><strong>Nystagmus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>45166</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0028738</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/45166">Feature record</a> | <a href="/medgen?term=%22Nystagmus%22%5BClinical%20Features%5D%20OR%2045166%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_892840"><div><strong>Decreased activity of mitochondrial respiratory chain</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>892840</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C4024609</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Decreased activity of the mitochondrial respiratory chain.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/892840">Feature record</a> | <a href="/medgen?term=%22Decreased%20activity%20of%20mitochondrial%20respiratory%20chain%22%5BClinical%20Features%5D%20OR%20892840%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormal cellular phenotype</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_892840" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Decreased activity of mitochondrial respiratory chain</a></span></li></ul></li><li><span class="TLline">Abnormality of blood and blood-forming tissues</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1526" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Anemia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_124413" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypochromic microcytic anemia</a></span></li></ul></li><li><span class="TLline">Abnormality of head or neck</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_351278" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Long philtrum</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_44435" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Narrow mouth</a></span></li></ul></li><li><span class="TLline">Abnormality of metabolism/homeostasis</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_75702" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyper-beta-alaninemia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_332209" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Increased circulating lactate concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_7206" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Ketosis</a></span></li></ul></li><li><span class="TLline">Abnormality of the digestive system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_12124" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Vomiting</a></span></li></ul></li><li><span class="TLline">Abnormality of the endocrine system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_6991" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypothyroidism</a></span></li></ul></li><li><span class="TLline">Abnormality of the eye</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_45166" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Nystagmus</a></span></li></ul></li><li><span class="TLline">Abnormality of the genitourinary system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_868438" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mild proteinuria</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_332529" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Renal insufficiency</a></span></li></ul></li><li><span class="TLline">Abnormality of the musculoskeletal system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_124360" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebral calcification</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_108148" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Delayed skeletal maturation</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_10132" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypertonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_10133" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hypotonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1644158" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Microcephaly</a></span></li></ul></li><li><span class="TLline">Abnormality of the nervous system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_340737" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Absent speech</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_43218" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Akinesia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_892624" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Decreased CSF biopterin level</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66034" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Delayed ability to walk</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_324613" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Developmental regression</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_322935" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Generalized tonic seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_107838" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Global developmental delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_78722" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Leukoencephalopathy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_20693" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Seizure</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_332436" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Severe global developmental delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_98433" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic tetraplegia</a></span></li></ul></li><li><span class="TLline">Ear malformation</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_356101" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Congenital sensorineural hearing impairment</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_9164" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sensorineural hearing loss disorder</a></span></li></ul></li><li><span class="TLline">Growth abnormality</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_746019" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Failure to thrive</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_99124" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Growth delay</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_65920" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Small for gestational age</a></span></li></ul></li></ul></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/32712016">Alport Syndrome: Achieving Early Diagnosis and Treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kashtan CE</span><br />
<span class="medgenPMjournal">Am J Kidney Dis</span>
2021 Feb;77(2):272-279.
Epub 2020 Jul 22
doi: 10.1053/j.ajkd.2020.03.026.
<span class="bold">PMID: </span><a href="/pubmed/32712016" target="_blank">32712016</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26742931">Wolfram Syndrome: Diagnosis, Management, and Treatment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Urano F</span><br />
<span class="medgenPMjournal">Curr Diab Rep</span>
2016 Jan;16(1):6.
doi: 10.1007/s11892-015-0702-6.
<span class="bold">PMID: </span><a href="/pubmed/26742931" target="_blank">26742931</a><a href="/pmc/articles/PMC4705145" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24845716">Neonatal screening programs.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Keskinkılıç B</span><br />
<span class="medgenPMjournal">Clin Biochem</span>
2014 Jun;47(9):692.
Epub 2014 May 18
doi: 10.1016/j.clinbiochem.2014.05.009.
<span class="bold">PMID: </span><a href="/pubmed/24845716" target="_blank">24845716</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness)%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 (1088)</a></div></div>
</div>
<div class="display-none help-popup" id="guidelinesHelpPM">These guidelines are articles in PubMed that match specific search criteria developed by MedGen to capture the most relevant practice guidelines. This list may not be comprehensive and may include broader topics as well. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div><div class="display-none help-popup" id="guidelinesHelpCurated">These guidelines are manually curated by the MedGen team
to supplement articles available in PubMed. See the <a href="/medgen/docs/faq/" title="Frequently asked questions" target="_blank">FAQ</a> for details.</div>
<div class="portlet mgSection" id="ID_103">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_clinical_studies">Recent clinical studies</h1><a sid="103" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><h3 class="subhead">Etiology</h3>
<div class="nl"><a target="_blank" href="/pubmed/39196914">Reading achievement and deaf students with cochlear implants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mayer C,
Trezek BJ</span><br />
<span class="medgenPMjournal">Cochlear Implants Int</span>
2024 Sep;25(5):394-402.
Epub 2024 Aug 28
doi: 10.1080/14670100.2024.2394313.
<span class="bold">PMID: </span><a href="/pubmed/39196914" target="_blank">39196914</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38528140">Gene therapy for deafness: are we there now?</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Moser T,
Chen H,
Kusch K,
Behr R,
Vona B</span><br />
<span class="medgenPMjournal">EMBO Mol Med</span>
2024 Apr;16(4):675-677.
Epub 2024 Mar 25
doi: 10.1038/s44321-024-00058-6.
<span class="bold">PMID: </span><a href="/pubmed/38528140" target="_blank">38528140</a><a href="/pmc/articles/PMC11018804" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/24533753">History of cochlear implantation.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ramsden RT</span><br />
<span class="medgenPMjournal">Cochlear Implants Int</span>
2013 Nov;14 Suppl 4:S3-5.
doi: 10.1179/1467010013Z.000000000140.
<span class="bold">PMID: </span><a href="/pubmed/24533753" target="_blank">24533753</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21542710">Cochlear implants: current status and future potential.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Cosetti MK,
Waltzman SB</span><br />
<span class="medgenPMjournal">Expert Rev Med Devices</span>
2011 May;8(3):389-401.
doi: 10.1586/erd.11.12.
<span class="bold">PMID: </span><a href="/pubmed/21542710" target="_blank">21542710</a></div>
<div class="nl"><a target="_blank" href="/pubmed/3332372">Diagnosis of deafness in infancy.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ruben RJ</span><br />
<span class="medgenPMjournal">Pediatr Rev</span>
1987 Nov;9(5):163-6.
doi: 10.1542/pir.9-5-163.
<span class="bold">PMID: </span><a href="/pubmed/3332372" target="_blank">3332372</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness%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 (9532)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/26375234">Syndrome in Question.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Peruzzo J,
Nazar FL,
Tubone MQ,
Escobar GF,
Cestari TF</span><br />
<span class="medgenPMjournal">An Bras Dermatol</span>
2015 Jul-Aug;90(4):589-90.
doi: 10.1590/abd1806-4841.20153343.
<span class="bold">PMID: </span><a href="/pubmed/26375234" target="_blank">26375234</a><a href="/pmc/articles/PMC4560554" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22016077">Deafness in the genomics era.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Shearer AE,
Hildebrand MS,
Sloan CM,
Smith RJ</span><br />
<span class="medgenPMjournal">Hear Res</span>
2011 Dec;282(1-2):1-9.
Epub 2011 Oct 8
doi: 10.1016/j.heares.2011.10.001.
<span class="bold">PMID: </span><a href="/pubmed/22016077" target="_blank">22016077</a><a href="/pmc/articles/PMC3230685" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/20925546">Profound deafness in childhood.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kral A,
O'Donoghue GM</span><br />
<span class="medgenPMjournal">N Engl J Med</span>
2010 Oct 7;363(15):1438-50.
doi: 10.1056/NEJMra0911225.
<span class="bold">PMID: </span><a href="/pubmed/20925546" target="_blank">20925546</a></div>
<div class="nl"><a target="_blank" href="/pubmed/2198446">Deafness: diagnosis and management.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Tonkin JP</span><br />
<span class="medgenPMjournal">Med J Aust</span>
1990 Jun 18;152(12):659-63.
doi: 10.5694/j.1326-5377.1990.tb125426.x.
<span class="bold">PMID: </span><a href="/pubmed/2198446" target="_blank">2198446</a></div>
<div class="nl"><a target="_blank" href="/pubmed/5923001">Pseudohypacusis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Goldstein R</span><br />
<span class="medgenPMjournal">J Speech Hear Disord</span>
1966 Nov;31(4):341-52.
doi: 10.1044/jshd.3104.341.
<span class="bold">PMID: </span><a href="/pubmed/5923001" target="_blank">5923001</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness%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 (9496)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/38839898">Gene therapy for hereditary deafness.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Smith C,
Zafeer MF,
Tekin M</span><br />
<span class="medgenPMjournal">Nat Med</span>
2024 Jul;30(7):1828-1829.
doi: 10.1038/s41591-024-03004-8.
<span class="bold">PMID: </span><a href="/pubmed/38839898" target="_blank">38839898</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38839897">Bilateral gene therapy in children with autosomal recessive deafness 9: single-arm trial results.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Wang H,
Chen Y,
Lv J,
Cheng X,
Cao Q,
Wang D,
Zhang L,
Zhu B,
Shen M,
Xu C,
Xun M,
Wang Z,
Tang H,
Hu S,
Cui C,
Jiang L,
Yin Y,
Guo L,
Zhou Y,
Han L,
Gao Z,
Zhang J,
Yu S,
Gao K,
Wang J,
Chen B,
Wang W,
Chen ZY,
Li H,
Shu Y</span><br />
<span class="medgenPMjournal">Nat Med</span>
2024 Jul;30(7):1898-1904.
Epub 2024 Jun 5
doi: 10.1038/s41591-024-03023-5.
<span class="bold">PMID: </span><a href="/pubmed/38839897" target="_blank">38839897</a><a href="/pmc/articles/PMC11271389" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38280389">AAV1-hOTOF gene therapy for autosomal recessive deafness 9: a single-arm trial.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lv J,
Wang H,
Cheng X,
Chen Y,
Wang D,
Zhang L,
Cao Q,
Tang H,
Hu S,
Gao K,
Xun M,
Wang J,
Wang Z,
Zhu B,
Cui C,
Gao Z,
Guo L,
Yu S,
Jiang L,
Yin Y,
Zhang J,
Chen B,
Wang W,
Chai R,
Chen ZY,
Li H,
Shu Y</span><br />
<span class="medgenPMjournal">Lancet</span>
2024 May 25;403(10441):2317-2325.
Epub 2024 Jan 24
doi: 10.1016/S0140-6736(23)02874-X.
<span class="bold">PMID: </span><a href="/pubmed/38280389" target="_blank">38280389</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38189623">AAV-Mediated Gene Therapy Restores Hearing in Patients with DFNB9 Deafness.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Qi J,
Tan F,
Zhang L,
Lu L,
Zhang S,
Zhai Y,
Lu Y,
Qian X,
Dong W,
Zhou Y,
Zhang Z,
Yang X,
Jiang L,
Yu C,
Liu J,
Chen T,
Wu L,
Tan C,
Sun S,
Song H,
Shu Y,
Xu L,
Gao X,
Li H,
Chai R</span><br />
<span class="medgenPMjournal">Adv Sci (Weinh)</span>
2024 Mar;11(11):e2306788.
Epub 2024 Jan 8
doi: 10.1002/advs.202306788.
<span class="bold">PMID: </span><a href="/pubmed/38189623" target="_blank">38189623</a><a href="/pmc/articles/PMC10953563" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21821527">The role of comorbidities in cardioprotection.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sack MN,
Murphy E</span><br />
<span class="medgenPMjournal">J Cardiovasc Pharmacol Ther</span>
2011 Sep-Dec;16(3-4):267-72.
doi: 10.1177/1074248411408313.
<span class="bold">PMID: </span><a href="/pubmed/21821527" target="_blank">21821527</a><a href="/pmc/articles/PMC3398382" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness%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 (3839)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/31095874">Effects of a wireless frequency modulation system on learning ability and emotional and behaviour problem improvement in 11 children with cochlear implant.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Cho YS,
Ahn JH,
Seol HY,
Hong SH,
Moon IJ</span><br />
<span class="medgenPMjournal">Clin Otolaryngol</span>
2019 Sep;44(5):820-825.
Epub 2019 Jul 11
doi: 10.1111/coa.13362.
<span class="bold">PMID: </span><a href="/pubmed/31095874" target="_blank">31095874</a></div>
<div class="nl"><a target="_blank" href="/pubmed/28806332">Linking Deafness and Dementia: Challenges and Opportunities.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Lin VYW,
Black SE</span><br />
<span class="medgenPMjournal">Otol Neurotol</span>
2017 Sep;38(8):e237-e239.
doi: 10.1097/MAO.0000000000001408.
<span class="bold">PMID: </span><a href="/pubmed/28806332" target="_blank">28806332</a></div>
<div class="nl"><a target="_blank" href="/pubmed/22931903">Review: cochlear implants as a treatment of tinnitus in single-sided deafness.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Arts RA,
George EL,
Stokroos RJ,
Vermeire K</span><br />
<span class="medgenPMjournal">Curr Opin Otolaryngol Head Neck Surg</span>
2012 Oct;20(5):398-403.
doi: 10.1097/MOO.0b013e3283577b66.
<span class="bold">PMID: </span><a href="/pubmed/22931903" target="_blank">22931903</a></div>
<div class="nl"><a target="_blank" href="/pubmed/21756581">Central auditory mechanisms associated with cochlear implantation: an overview of selected studies and comment.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Musiek FE,
Daniels SB</span><br />
<span class="medgenPMjournal">Cochlear Implants Int</span>
2010 Jun;11 Suppl 1:15-28.
doi: 10.1179/146701010X12671178390753.
<span class="bold">PMID: </span><a href="/pubmed/21756581" target="_blank">21756581</a></div>
<div class="nl"><a target="_blank" href="/pubmed/1878019">Deafness in children.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mohay H</span><br />
<span class="medgenPMjournal">Med J Aust</span>
1991 Mar 18;154(6):372-4.
doi: 10.5694/j.1326-5377.1991.tb121123.x.
<span class="bold">PMID: </span><a href="/pubmed/1878019" target="_blank">1878019</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness%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 (4851)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/39196914">Reading achievement and deaf students with cochlear implants.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mayer C,
Trezek BJ</span><br />
<span class="medgenPMjournal">Cochlear Implants Int</span>
2024 Sep;25(5):394-402.
Epub 2024 Aug 28
doi: 10.1080/14670100.2024.2394313.
<span class="bold">PMID: </span><a href="/pubmed/39196914" target="_blank">39196914</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38661776">Investigating the Writing Achievement of Deaf Learners.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Mayer C,
Trezek BJ</span><br />
<span class="medgenPMjournal">Am Ann Deaf</span>
2023;167(5):625-643.
doi: 10.1353/aad.2023.0004.
<span class="bold">PMID: </span><a href="/pubmed/38661776" target="_blank">38661776</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30803455">Visual sequential processing and language ability in children who are deaf or hard of hearing.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Gremp MA,
Deocampo JA,
Walk AM,
Conway CM</span><br />
<span class="medgenPMjournal">J Child Lang</span>
2019 Jul;46(4):785-799.
Epub 2019 Feb 26
doi: 10.1017/S0305000918000569.
<span class="bold">PMID: </span><a href="/pubmed/30803455" target="_blank">30803455</a><a href="/pmc/articles/PMC6633907" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/11694730">Auditory evoked potentials as measures of plasticity in humans.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Purdy SC,
Kelly AS,
Thorne PR</span><br />
<span class="medgenPMjournal">Audiol Neurootol</span>
2001 Jul-Aug;6(4):211-5.
doi: 10.1159/000046835.
<span class="bold">PMID: </span><a href="/pubmed/11694730" target="_blank">11694730</a></div>
<div class="nl"><a target="_blank" href="/pubmed/7668685">Categories of Auditory Performance.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Archbold S,
Lutman ME,
Marshall DH</span><br />
<span class="medgenPMjournal">Ann Otol Rhinol Laryngol Suppl</span>
1995 Sep;166:312-4.
<span class="bold">PMID: </span><a href="/pubmed/7668685" target="_blank">7668685</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness%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 (7163)</a></div></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Recent_systematic_reviews">Recent systematic reviews</h1><a sid="104" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln">
<div class="nl"><a target="_blank" href="/pubmed/37963634">Autism intervention meta-analysis of early childhood studies (Project AIM): updated systematic review and secondary analysis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Sandbank M,
Bottema-Beutel K,
Crowley LaPoint S,
Feldman JI,
Barrett DJ,
Caldwell N,
Dunham K,
Crank J,
Albarran S,
Woynaroski T</span><br />
<span class="medgenPMjournal">BMJ</span>
2023 Nov 14;383:e076733.
doi: 10.1136/bmj-2023-076733.
<span class="bold">PMID: </span><a href="/pubmed/37963634" target="_blank">37963634</a><a href="/pmc/articles/PMC10644209" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36764396">Delineating Wolfram-like syndrome: A systematic review and discussion of the WFS1-associated disease spectrum.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">de Muijnck C,
Brink JBT,
Bergen AA,
Boon CJF,
van Genderen MM</span><br />
<span class="medgenPMjournal">Surv Ophthalmol</span>
2023 Jul-Aug;68(4):641-654.
Epub 2023 Feb 9
doi: 10.1016/j.survophthal.2023.01.012.
<span class="bold">PMID: </span><a href="/pubmed/36764396" target="_blank">36764396</a></div>
<div class="nl"><a target="_blank" href="/pubmed/34233329">Betahistine in Ménière's Disease or Syndrome: A Systematic Review.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Van Esch B,
van der Zaag-Loonen H,
Bruintjes T,
van Benthem PP</span><br />
<span class="medgenPMjournal">Audiol Neurootol</span>
2022;27(1):1-33.
Epub 2021 Jul 7
doi: 10.1159/000515821.
<span class="bold">PMID: </span><a href="/pubmed/34233329" target="_blank">34233329</a></div>
<div class="nl"><a target="_blank" href="/pubmed/33151295">Cochlear Implantation in Children With Single-Sided Deafness: A Systematic Review and Meta-analysis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Benchetrit L,
Ronner EA,
Anne S,
Cohen MS</span><br />
<span class="medgenPMjournal">JAMA Otolaryngol Head Neck Surg</span>
2021 Jan 1;147(1):58-69.
doi: 10.1001/jamaoto.2020.3852.
<span class="bold">PMID: </span><a href="/pubmed/33151295" target="_blank">33151295</a><a href="/pmc/articles/PMC7645748" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/29932206">Saline irrigation for allergic rhinitis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Head K,
Snidvongs K,
Glew S,
Scadding G,
Schilder AG,
Philpott C,
Hopkins C</span><br />
<span class="medgenPMjournal">Cochrane Database Syst Rev</span>
2018 Jun 22;6(6):CD012597.
doi: 10.1002/14651858.CD012597.pub2.
<span class="bold">PMID: </span><a href="/pubmed/29932206" target="_blank">29932206</a><a href="/pmc/articles/PMC6513421" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness%22%20AND%20systematic%5Bsb%5D%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (374)</a></div></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Table_of_contents">Table of contents</h1><a sid="113" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul id="my-toc"></ul></div>
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<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C5542996%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (2)</a></li>
<li><a href="/gtr/tests?term=C5542996%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (3)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C5542996%5bDISCUI%5d" target="_blank">See all (3)</a></total></li>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Clinical_resources">Clinical resources</h1><a sid="119" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="https://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=619147" target="_blank">OMIM</a></li><li><a href="https://clinicaltrials.gov/search?cond=Leukoencephalopathy,%20progressive,%20infantile-onset,%20with%20or%20without%20deafness" target="_blank">ClinicalTrials.gov</a></li></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Practice_guidelines">Practice guidelines</h1><a sid="121" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul class="a_poppers"><li><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(leukoencephalopathy%2C%20progressive%2C%20infantile-onset%2C%20with%20or%20without%20deafness)%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></div>
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<div class="portlet_content ln"><ul><li><a href="http://www.omim.org/search?index=entry&amp;start=1&amp;limit=10&amp;sort=score%20desc&amp;field=number&amp;search=601421" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=3735[geneid]" target="_blank">View KARS1 variations in ClinVar</a></li><li><a href="/nuccore/315360649" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=619147" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
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<div class="portlet_content ln"><ul><li><a href="https://www.malacards.org/card/leukoencephalopathy_progressive_infantile_onset_with_or_without_deafness" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=Leukoencephalopathy,%20progressive,%20infantile-onset,%20with%20or%20without%20deafness" target="_blank">MedlinePlus</a></li></ul></div>
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<a href="/pubmed?term=Leukoencephalopathy,%20progressive,%20infantile-onset,%20with%20or%20without%20deafness%20AND%20humans[mesh]%20AND%20review[publication%20type]" ref="ncbi_uid=&amp;discoId=gtr_reviews&amp;linkpos=2&amp;linkpostotal=2" target="_blank">Reviews in PubMed</a>
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<h3>Related information</h3>
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<a class="brieflinkpopperctrl" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1779519" ref="log$=recordlinks">ClinVar</a>
<div class="brieflinkpop offscreen_noflow">Related medical variations</div>
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<a class="brieflinkpopperctrl" href="/gene?LinkName=medgen_gene_diseases&amp;from_uid=1779519" ref="log$=recordlinks">Gene</a>
<div class="brieflinkpop offscreen_noflow">Related information in NCBI Gene</div>
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<a class="brieflinkpopperctrl" href="/gtr/tests?term=C5542996[DISCUI]" ref="log$=recordlinks">GTR</a>
<div class="brieflinkpop offscreen_noflow">Related information in GTR</div>
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<a class="brieflinkpopperctrl" href="/gtr/tests?term=C5542996[DISCUI]&amp;test_type=Clinical" ref="log$=recordlinks">GTR(Clinical)</a>
<div class="brieflinkpop offscreen_noflow">Clinical tests in GTR</div>
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<a class="brieflinkpopperctrl" href="/omim?LinkName=medgen_omim&amp;from_uid=1779519" ref="log$=recordlinks">OMIM</a>
<div class="brieflinkpop offscreen_noflow">Related records in OMIM</div>
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<a class="brieflinkpopperctrl" href="/omim?LinkName=medgen_omim_gene&amp;from_uid=1779519" ref="log$=recordlinks">OMIM(Genes)</a>
<div class="brieflinkpop offscreen_noflow">OMIM records containing genes associated with phenotypes registered in MedGen</div>
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<a class="brieflinkpopperctrl" href="/pmc?LinkName=medgen_pmc&amp;from_uid=1779519" ref="log$=recordlinks">PMC Articles</a>
<div class="brieflinkpop offscreen_noflow">Related information in PubMed Central Links</div>
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