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<meta name="keywords" content="C0023521, beta galactocerebrosidase deficiency, beta-galactosidase deficiencies, galactosylceramide, beta-galactosidase deficiency, galactosylceramide, cell leukodystrophies, globoid, cell leukodystrophy, globoid, cell leukoencephalopathies, globoid, cell leukoencephalopathy, globoid, deficiencies, galactocerebrosidase, deficiencies, galactosylceramide beta-galactosidase, deficiencies, galc, deficiency disease, galactosylceramidase, deficiency disease, galactosylceramide-beta-galactosidase, deficiency diseases, galactosylceramidase, deficiency diseases, galactosylceramide-beta-galactosidase, deficiency, galactocerebrosidase, deficiency, galactosylceramide beta-galactosidase, deficiency, galc, diffuse globoid body sclerosis, diffuse globoid cell cerebral sclerosis, disease or syndrome, disease, galactosylceramidase deficiency, disease, galactosylceramide-beta-galactosidase deficiency, diseases, galactosylceramidase deficiency, diseases, galactosylceramide-beta-galactosidase deficiency, galactocerebrosidase deficiencies, galactocerebrosidase deficiency, galactocerebroside beta-galactosidase deficiency, galactosylceramidase deficiency, galactosylceramidase deficiency disease, galactosylceramidase deficiency diseases, galactosylceramide beta galactosidase deficiency, galactosylceramide beta galactosidase deficiency disease, galactosylceramide beta-galactosidase deficiencies, galactosylceramide beta-galactosidase deficiency, galactosylceramide lipidosis, galactosylceramide-beta-galactosidase deficiency disease, galactosylceramide-beta-galactosidase deficiency diseases, galactosylcerebrosidase deficiency, galactosylsphingosine lipidosis, galc, galc deficiencies, galc deficiency, galc enzyme deficiency, gcl, gcl - globoid cell leucodystrophy, gld, globoid body sclerosis, diffuse, globoid cell leucodystrophy, globoid cell leukodystrophies, globoid cell leukodystrophy, globoid cell leukoencephalopathies, globoid cell leukoencephalopathy, globoid leukodystrophies, globoid leukodystrophy, krabbe disease, krabbe leucodystrophy, krabbe leukodystrophy, krabbe's disease, krabbe's leukodystrophy, krabbes disease, krabbes leukodystrophy, krb, leukodystrophies, globoid, leukodystrophies, globoid cell, leukodystrophy, globoid, leukodystrophy, globoid cell, leukodystrophy, krabbe, leukodystrophy, krabbe's, leukoencephalopathies, globoid cell, leukoencephalopathy, globoid cell, psychosine lipidosis, 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="Krabbe disease comprises a spectrum ranging from infantile-onset disease (i.e., onset of extreme irritability, spasticity, and developmental delay before age 12 months) to later-onset disease (i.e., onset of manifestations after age 12 months and as late as the seventh decade). Although historically 85%-90% of symptomatic individuals with Krabbe disease diagnosed by enzyme activity alone have infantile-onset Krabbe disease and 10%-15% have later-onset Krabbe disease, the experience with newborn screening (NBS) suggests that the proportion of individuals with possible later-onset Krabbe disease is higher than previously thought. Infantile-onset Krabbe disease is characterized by normal development in the first few months followed by rapid severe neurologic deterioration; the average age of death is 24 months (range 8 months to 9 years). Later-onset Krabbe disease is much more variable in its presentation and disease course." /><meta name="robots" content="index,nofollow,noarchive" />
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<title>Galactosylceramide beta-galactosidase deficiency (Concept Id: C0023521)
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<!--
UID=44131
ConceptID=C0023521
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Galactosylceramide beta-galactosidase deficiency<span class="h1sub">(GCL; GLD; KRB)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>44131</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:">C0023521</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>GALACTOCEREBROSIDASE DEFICIENCY; GALC DEFICIENCY; GLOBOID CELL LEUKOENCEPHALOPATHY; Krabbe Disease; Krabbe leukodystrophy; Leukodystrophy, Globoid Cell</td></tr>
<tr><td><span class="bold">SNOMED CT: </span></td>
<td>Diffuse globoid body sclerosis (189979005); Galactosylceramide beta-galactosidase deficiency (192782005); Krabbe's leukodystrophy (192782005); Globoid cell leucodystrophy (192782005); Krabbe leucodystrophy (192782005); GCL - Globoid cell leucodystrophy (192782005); Krabbe's disease (192782005); Krabbe disease (192782005); Galactocerebroside beta-galactosidase deficiency (192782005); Diffuse globoid cell cerebral sclerosis (192782005)</td></tr>
<tr><td>Modes of inheritance:</td>
<td>
<div class="divPopper rprt" id="moi_141025"><div><strong>Autosomal recessive inheritance</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>141025</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.">C0441748</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Intellectual Product</dd></dl></div></div></div>
<div class="spaceAbove">Source: Orphanet</div>
<div class="spaceAbove">A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in individuals with two pathogenic alleles, either homozygotes (two copies of the same mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele).</div></div>
<div class="hangingIndent"><a title="click for more information" class="jig-ncbipopper" href="#moi_141025" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autosomal recessive inheritance</a><span> (Orphanet)</span></div></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="GALC - ID: 2581 - NCBI Gene" href="/gene/2581" class="medgenPMinfo">GALC</a> (14q31.3)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0009499" target="_blank">MONDO:0009499</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/245200" target="_blank">245200</a></td></tr>
<tr><td>Orphanet:</td>
<td><a target="_blank" title="Orphanet: The portal for rare diseases and orphan drugs" href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=EN&amp;Expert=487">ORPHA487</a></td></tr></tbody></table></div><div class="rprt-body jig-ncbiinpagenav" data-jigconfig="smoothScroll: false, gotoTopLink: true, gotoTopLinkText: '', gotoTopLinkAttrs: {'title': 'Go to the top of the page'},allHeadingLevels: ['h1'], topOfPageTOC: true, tocId: 'my-toc'"><div id="rprt-tabs-1" class="rprt-tab"><div id="tb-termsProp-1"><div class="leftCol mgCol"><div>
<div class="portlet mgSection" id="ID_101">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Disease_characteristics">Disease characteristics</h1><a sid="101" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="excerpt">Excerpted from the <i>GeneReview: </i><a href="/books/NBK1238" target="_blank">Krabbe Disease</a></div><div>Krabbe disease comprises a spectrum ranging from infantile-onset disease (i.e., onset of extreme irritability, spasticity, and developmental delay before age 12 months) to later-onset disease (i.e., onset of manifestations after age 12 months and as late as the seventh decade). Although historically 85%-90% of symptomatic individuals with Krabbe disease diagnosed by enzyme activity alone have infantile-onset Krabbe disease and 10%-15% have later-onset Krabbe disease, the experience with newborn screening (NBS) suggests that the proportion of individuals with possible later-onset Krabbe disease is higher than previously thought. Infantile-onset Krabbe disease is characterized by normal development in the first few months followed by rapid severe neurologic deterioration; the average age of death is 24 months (range 8 months to 9 years). Later-onset Krabbe disease is much more variable in its presentation and disease course. [from <a title="GeneReviews" href="https://www.ncbi.nlm.nih.gov/books/NBK1116" class="defSource" target="_blank">GeneReviews</a>]</div><div class="spaceAbove"><strong>Full text of <i>GeneReview</i> (by section):</strong><br /><a class="medgenPMinfo" href="/books/NBK1238#krabbe.Summary" target="NBK1238">Summary</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Diagnosis" target="NBK1238">Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Clinical_Characteristics" target="NBK1238">Clinical Characteristics</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Differential_Diagnosis" target="NBK1238">Differential Diagnosis</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Management" target="NBK1238">Management</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Genetic_Counseling" target="NBK1238">Genetic Counseling</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Resources" target="NBK1238">Resources</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Molecular_Genetics" target="NBK1238">Molecular Genetics</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.Chapter_Notes" target="NBK1238">Chapter Notes</a>  |  <a class="medgenPMinfo" href="/books/NBK1238#krabbe.References" target="NBK1238">References</a></div><div class="spaceAbove"><strong>Authors:</strong><br />
Joseph J Orsini  |  Maria L Escolar  |  Melissa P Wasserstein<i>, et. al.</i>   <a href="/books/NBK1238" target="NBK1238" title="NCBI Bookshelf: Krabbe Disease">view full author information</a></div></div>
</div>
<div class="portlet mgSection" id="ID_117">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Additional_descriptions">Additional descriptions</h1><a sid="117" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><div class="mgSection"><strong>From OMIM</strong><br />Krabbe disease (KRB) is an autosomal recessive lysosomal disorder affecting the white matter of the central and peripheral nervous systems. Most patients present within the first 6 months of life with 'infantile' or 'classic' disease manifest as extreme irritability, spasticity, and developmental delay (Wenger et al., 2000). There is severe motor and mental deterioration, leading to decerebration and death by age 2 years. Approximately 10 to 15% of patients have a later onset, commonly differentiated as late-infantile (6 months to 3 years), juvenile (3 to 8 years), and even adult-onset forms. The later-onset forms have less disease severity and slower progression. These later-onset patients can be clinically normal until weakness, vision loss and intellectual regression become evident; those with adult onset may have spastic paraparesis as the only symptom. Disease severity is variable, even within families (summary by Tappino et al., 2010).  <a target="_blank" href="http://www.omim.org/entry/245200">http://www.omim.org/entry/245200</a></div><div class="mgSection"><strong>From MedlinePlus Genetics</strong><br />Krabbe disease (also called globoid cell leukodystrophy) is a severe neurological condition. It is part of a group of disorders known as leukodystrophies, which result from the loss of myelin (demyelination) in the nervous system. Myelin is the protective covering around nerve cells that ensures the rapid transmission of nerve signals. Krabbe disease is also characterized by abnormal cells in the brain called globoid cells, which are large cells that usually have more than one nucleus.<br /><br />The most common form of Krabbe disease, called the infantile form, usually begins before the age of 1. Initial signs and symptoms typically include irritability, muscle weakness, feeding difficulties, episodes of fever without any sign of infection, stiff posture, and delayed mental and physical development. As the disease progresses, muscles continue to weaken, affecting the infant's ability to move, chew, swallow, and breathe. Affected infants also experience vision loss and seizures. Because of the severity of the condition, individuals with the infantile form of Krabbe disease rarely survive beyond the age of 2.<br /><br />Less commonly, Krabbe disease begins in childhood, adolescence, or adulthood (late-onset forms). Vision problems and walking difficulties are the most common initial symptoms in these forms of the disorder, however, signs and symptoms vary considerably among affected individuals. Individuals with late-onset Krabbe disease may survive many years after the condition begins.  <a target="_blank" href="https://medlineplus.gov/genetics/condition/krabbe-disease">https://medlineplus.gov/genetics/condition/krabbe-disease</a></div></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_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_235586"><div><strong>Hearing impairment</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>235586</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.">C1384666</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A decreased magnitude of the sensory perception of sound.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/235586">Feature record</a> | <a href="/medgen?term=%22Hearing%20impairment%22%5BClinical%20Features%5D%20OR%20235586%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_9335"><div><strong>Hydrocephalus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>9335</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.">C0020255</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/9335">Feature record</a> | <a href="/medgen?term=%22Hydrocephalus%22%5BClinical%20Features%5D%20OR%209335%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_17999"><div><strong>Neurodegeneration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>17999</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.">C0027746</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Cell or Molecular Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Progressive loss of neural cells and tissue.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/17999">Feature record</a> | <a href="/medgen?term=%22Neurodegeneration%22%5BClinical%20Features%5D%20OR%2017999%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_56235"><div><strong>EEG abnormality</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>56235</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.">C0151611</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Abnormality observed by electroencephalogram (EEG), which is used to record of the brain's spontaneous electrical activity from multiple electrodes placed on the scalp.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/56235">Feature record</a> | <a href="/medgen?term=%22EEG%20abnormality%22%5BClinical%20Features%5D%20OR%2056235%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_137898"><div><strong>CNS demyelination</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>137898</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.">C0338474</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A loss of myelin from nerve fibers in the central nervous system.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/137898">Feature record</a> | <a href="/medgen?term=%22CNS%20demyelination%22%5BClinical%20Features%5D%20OR%20137898%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_108958"><div><strong>Diffuse cerebral atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>108958</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.">C0598275</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Diffuse unlocalised atrophy affecting the cerebrum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/108958">Feature record</a> | <a href="/medgen?term=%22Diffuse%20cerebral%20atrophy%22%5BClinical%20Features%5D%20OR%20108958%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_451074"><div><strong>Peripheral demyelination</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>451074</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.">C0878575</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Pathologic Function</dd></dl></div></div></div>
<div class="spaceAbove">A loss of myelin from the internode regions along myelinated nerve fibers of the peripheral nervous system.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/451074">Feature record</a> | <a href="/medgen?term=%22Peripheral%20demyelination%22%5BClinical%20Features%5D%20OR%20451074%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_207266"><div><strong>Sensorimotor neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>207266</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.">C1112256</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/207266">Feature record</a> | <a href="/medgen?term=%22Sensorimotor%20neuropathy%22%5BClinical%20Features%5D%20OR%20207266%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_329971"><div><strong>Increased CSF protein concentration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>329971</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.">C1806780</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Increased concentration of protein in the cerebrospinal fluid.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/329971">Feature record</a> | <a href="/medgen?term=%22Increased%20CSF%20protein%20concentration%22%5BClinical%20Features%5D%20OR%20329971%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_335355"><div><strong>Hyperactive deep tendon reflexes</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335355</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.">C1846176</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove nowrap">See: <a href="/medgen/335355">Feature record</a> | <a href="/medgen?term=%22Hyperactive%20deep%20tendon%20reflexes%22%5BClinical%20Features%5D%20OR%20335355%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_347509"><div><strong>Decreased nerve conduction velocity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>347509</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.">C1857640</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A reduction in the speed at which electrical signals propagate along the axon of a neuron.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/347509">Feature record</a> | <a href="/medgen?term=%22Decreased%20nerve%20conduction%20velocity%22%5BClinical%20Features%5D%20OR%20347509%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_347171"><div><strong>Progressive spasticity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>347171</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.">C1859520</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Spasticity that increases in degree with time.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/347171">Feature record</a> | <a href="/medgen?term=%22Progressive%20spasticity%22%5BClinical%20Features%5D%20OR%20347171%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_356495"><div><strong>Motor deterioration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>356495</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.">C1866284</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Loss of previously present motor (i.e., movement) abilities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/356495">Feature record</a> | <a href="/medgen?term=%22Motor%20deterioration%22%5BClinical%20Features%5D%20OR%20356495%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_870329"><div><strong>Abnormal flash visual evoked potentials</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>870329</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.">C4024772</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Anomaly of the visual evoked potentials elicited by a flash stimulus, generally a flash of light subtending an angle of at least 20 degrees of the visual field and presented in a dimly lit room.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/870329">Feature record</a> | <a href="/medgen?term=%22Abnormal%20flash%20visual%20evoked%20potentials%22%5BClinical%20Features%5D%20OR%20870329%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_41430"><div><strong>Decerebrate rigidity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>41430</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.">C0011103</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Pathologic Function</dd></dl></div></div></div>
<div class="spaceAbove">A type of rigidity that is manifested by an exaggerated extensor posture of all extremities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/41430">Feature record</a> | <a href="/medgen?term=%22Decerebrate%20rigidity%22%5BClinical%20Features%5D%20OR%2041430%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_342959"><div><strong>Axial hypotonia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>342959</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.">C1853743</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Muscular hypotonia (abnormally low muscle tone) affecting the musculature of the trunk.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/342959">Feature record</a> | <a href="/medgen?term=%22Axial%20hypotonia%22%5BClinical%20Features%5D%20OR%20342959%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_116621"><div><strong>Autoimmune thrombocytopenia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>116621</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.">C0242584</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">The presence of thrombocytopenia in combination with detection of antiplatelet antibodies.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/116621">Feature record</a> | <a href="/medgen?term=%22Autoimmune%20thrombocytopenia%22%5BClinical%20Features%5D%20OR%20116621%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_811468"><div><strong>Recurrent fever</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>811468</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.">C3714772</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">Periodic (episodic or recurrent) bouts of fever.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/811468">Feature record</a> | <a href="/medgen?term=%22Recurrent%20fever%22%5BClinical%20Features%5D%20OR%20811468%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1815074"><div><strong>Reduced tissue galactocerebrosidase activity</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1815074</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.">C5706168</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Concentration or activity of galactocerebrosidase (EC 3.2.1.46) below the lower limit of normal. This enzyme can be measured in multiple tissues including leukocytes and cultured fibroblasts.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1815074">Feature record</a> | <a href="/medgen?term=%22Reduced%20tissue%20galactocerebrosidase%20activity%22%5BClinical%20Features%5D%20OR%201815074%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_18180"><div><strong>Optic atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>18180</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.">C0029124</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Atrophy of the optic nerve. Optic atrophy results from the death of the retinal ganglion cell axons that comprise the optic nerve and manifesting as a pale optic nerve on fundoscopy.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/18180">Feature record</a> | <a href="/medgen?term=%22Optic%20atrophy%22%5BClinical%20Features%5D%20OR%2018180%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_99138"><div><strong>Blindness</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>99138</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.">C0456909</a></dd><dt><span class="dotprefix"> •</span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Blindness is the condition of lacking visual perception defined as a profound reduction in visual perception. On the 6m visual acuity scale, blindness is defined as less than 3/60. On the 20ft visual acuity scale, blindness is defined as less than 20/400. On the decimal visual acuity scale, blindness is defined as less than 0.05. Blindness is typically characterized by a visual field of no greater than 10 degrees in radius around central fixation.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/99138">Feature record</a> | <a href="/medgen?term=%22Blindness%22%5BClinical%20Features%5D%20OR%2099138%5Buid%5D">Search on this feature</a></div></div><div class="TreeLite" data-jigconfig="closed: 1"><div class="concept-def"><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().openAll(); return false;">Show all</a><a class="small" href="#" onclick="jQuery(&quot;.TreeLite&quot;,&quot;#ID_102&quot;).TreeLite().closeAll(); return false;">Hide all</a></div><ul><li><span class="TLline">Abnormality of metabolism/homeostasis</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_811468" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Recurrent fever</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1815074" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Reduced tissue galactocerebrosidase activity</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 eye</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_99138" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Blindness</a></span></li><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><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_18180" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Optic atrophy</a></span></li></ul></li><li><span class="TLline">Abnormality of the immune system</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_116621" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Autoimmune thrombocytopenia</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_342959" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Axial hypotonia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_41430" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Decerebrate rigidity</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></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_870329" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Abnormal flash visual evoked potentials</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_137898" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">CNS demyelination</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_347509" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Decreased nerve conduction velocity</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_108958" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Diffuse cerebral atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_56235" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">EEG abnormality</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_9335" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hydrocephalus</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_335355" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyperactive deep tendon reflexes</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_329971" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Increased CSF protein concentration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_356495" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Motor deterioration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_17999" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Neurodegeneration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_451074" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peripheral demyelination</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_347171" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Progressive spasticity</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_207266" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Sensorimotor neuropathy</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_235586" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hearing impairment</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></ul></li></ul></div></div>
</div>
<div class="portlet mgSection" id="ID_118">
<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>
<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><li><a href="#tabORDO">Orphanet</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=C0023521[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=44131">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=44131" target="_blank" href="/omim/245200">O</a></span><span class="chiclet Gcolor" title="GeneReviews"><a target="_blank" href="/books/NBK1238/" ref="ncbi_uid=44131">G</a></span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=44131" ref="ncbi_uid=44131">V</a></span></span><span class="TLline">Galactosylceramide beta-galactosidase deficiency</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/14319" ref="tree=MeSH" title="MedGen record for Congenital, Hereditary, and Neonatal Diseases and Abnormalities">Congenital, Hereditary, and Neonatal Diseases and Abnormalities</a></span><ul><li><span class="TLline"><a href="/medgen/181981" ref="tree=MeSH" title="MedGen record for Inborn genetic diseases">Inborn genetic diseases</a></span><ul><li><span class="TLline"><a href="/medgen/6323" ref="tree=MeSH" title="MedGen record for Inborn errors of metabolism">Inborn errors of metabolism</a></span><ul><li><span class="TLline"><a href="/medgen/156005" ref="tree=MeSH" title="MedGen record for Brain Diseases, Metabolic, Inborn">Brain Diseases, Metabolic, Inborn</a></span><ul><li><span class="TLline"><a href="/medgen/148407" ref="tree=MeSH" title="MedGen record for Hereditary Central Nervous System Demyelinating Diseases">Hereditary Central Nervous System Demyelinating Diseases</a></span><ul><li><span class="matched_ds">Galactosylceramide beta-galactosidase deficiency</span><ul><li><span class="TLline"><a href="/medgen/120623" ref="tree=MeSH" title="MedGen record for Adult Krabbe disease">Adult Krabbe disease</a></span></li><li><span class="TLline"><a href="/medgen/148270" ref="tree=MeSH" title="MedGen record for Infantile Krabbe disease">Infantile Krabbe disease</a></span></li><li><span class="TLline"><a href="/medgen/830969" ref="tree=MeSH" title="MedGen record for Late-infantile/juvenile Krabbe disease">Late-infantile/juvenile Krabbe disease</a></span></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></li></ul></div></div><div id="tabORDO">Follow <a target="_blank" href="http://www.orpha.net/consor/cgi-bin/Disease_Classif.php?lng=EN&amp;data_id=156&amp;PatId=22&amp;search=Disease_Classif_Simple&amp;new=1" class="ital bold">this link</a> to review classifications for <span class="ital">Galactosylceramide beta-galactosidase deficiency</span> in Orphanet.</div></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/35896799">Making Decisions About Krabbe Disease Newborn Screening.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Kurtzberg J,
Matern D,
Orsini JJ,
Gelb M,
Pike-Langenfeld S,
Brackbill L,
Grantham A,
Steyermark AC</span><br />
<span class="medgenPMjournal">Pediatrics</span>
2022 Aug 1;150(2)
doi: 10.1542/peds.2022-057888A.
<span class="bold">PMID: </span><a href="/pubmed/35896799" target="_blank">35896799</a></div>
<div class="nl"><a target="_blank" href="/pubmed/35229104">Making Decisions About Krabbe Disease Newborn Screening.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Schrier Vergano SA,
Kanungo S,
Arnold G</span><br />
<span class="medgenPMjournal">Pediatrics</span>
2022 Apr 1;149(4)
doi: 10.1542/peds.2021-053175.
<span class="bold">PMID: </span><a href="/pubmed/35229104" target="_blank">35229104</a></div>
<div class="nl"><a target="_blank" href="/pubmed/26795590">Newborn screening for Krabbe disease in New York State: the first eight years' experience.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Orsini JJ,
Kay DM,
Saavedra-Matiz CA,
Wenger DA,
Duffner PK,
Erbe RW,
Biski C,
Martin M,
Krein LM,
Nichols M,
Kurtzberg J,
Escolar ML,
Adams DJ,
Arnold GL,
Iglesias A,
Galvin-Parton P,
Kronn DF,
Kwon JM,
Levy PA,
Pellegrino JE,
Shur N,
Wasserstein MP,
Caggana M;
New York State Krabbe Disease Consortium</span><br />
<span class="medgenPMjournal">Genet Med</span>
2016 Mar;18(3):239-48.
Epub 2016 Jan 21
doi: 10.1038/gim.2015.211.
<span class="bold">PMID: </span><a href="/pubmed/26795590" target="_blank">26795590</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=(galactosylceramide%20beta-galactosidase%20deficiency)%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 (64)</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.acmg.net/PDFLibrary/Krabbe-Infantile.pdf" target="_blank">American College of Medical Genetics and Genomics, Newborn Screening ACT Sheet, Decreased galactocerebrosidase, elevated psychosine, Krabbe Disease (infantile form), 2022</a></h3>
<h3 class="nl vspace"><a href="https://www.acmg.net/PDFLibrary/Krabbe-Algorithm.pdf" target="_blank">American College of Medical Genetics and Genomics, Algorithm, Krabbe disease: galactocerebrosidase deficiency, 2022</a></h3>
<h3 class="nl vspace"><a href="https://www.acmg.net/PDFLibrary/Krabbe-Later-Onset.pdf" target="_blank">American College of Medical Genetics and Genomics, Newborn Screening ACT Sheet, Decreased galactocerebrosidase, mildly elevated psychosine, Krabbe Disease (late-onset form), 2022</a></h3>
<h3 class="nl vspace"><a href="https://publications.aap.org/pediatrics/article/148/3/e2021053126/181065/Leukodystrophies-in-Children-Diagnosis-Care-and" target="_blank">Leukodystrophies in Children: Diagnosis, Care, and Treatment, Pediatrics (2021) 148 (3): e2021053126.</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">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/2091007">A case of Krabbe's leukodystrophy without globoid cells.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">McKelvie P,
Vine P,
Hopkins I,
Poulos A</span><br />
<span class="medgenPMjournal">Pathology</span>
1990 Oct;22(4):235-8.
doi: 10.3109/00313029009086670.
<span class="bold">PMID: </span><a href="/pubmed/2091007" target="_blank">2091007</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Galactosylceramide%20beta-galactosidase%20deficiency%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 (1)</a></div></div>
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<h2 class="offscreen_noflow">Supplemental Content</h2>
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<div class="portlet mgSection" id="ID_113">
<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>
</div>
<div class="portlet mgSection" id="ID_106">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Genetic_Testing_Registry">Genetic Testing Registry</h1><a sid="106" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A1%5F1" target="_blank">Analyte (6)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (65)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A1%5F2" target="_blank">Enzyme assay (8)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F12" target="_blank">Microsatellite instability testing (MSI) (1)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F18" target="_blank">Mutation scanning of select exons (3)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F17" target="_blank">Mutation scanning of the entire coding region (2)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F9" target="_blank">Sequence analysis of select exons (12)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (84)</a></li>
<li><a href="/gtr/tests?term=C0023521%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (25)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C0023521%5bDISCUI%5d" target="_blank">See all (115)</a></total></li>
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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=(galactosylceramide%20beta-galactosidase%20deficiency)%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><li><a target="_blank" href="/books/?term=((%22clinical%20guidelines%22%5BResource%20Type%5D)%20OR%20%22practice%20guideline%22%5BPublication%20Type%5D)%20AND%20(%22Galactosylceramide%20beta-galactosidase%20deficiency%22)">Bookshelf</a><div class="help-popup">See practice and clinical guidelines in NCBI Bookshelf. 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.acmg.net/PDFLibrary/Krabbe-Infantile.pdf">ACMG ACT, 2022</a><div>American College of Medical Genetics and Genomics, Newborn Screening ACT Sheet, Decreased galactocerebrosidase, elevated psychosine, Krabbe Disease (infantile form), 2022</div></li><li><a target="_blank" href="https://www.acmg.net/PDFLibrary/Krabbe-Algorithm.pdf">ACMG Algorithm, 2022</a><div>American College of Medical Genetics and Genomics, Algorithm, Krabbe disease: galactocerebrosidase deficiency, 2022</div></li><li><a target="_blank" href="https://www.acmg.net/PDFLibrary/Krabbe-Later-Onset.pdf">ACMG ACT, 2022</a><div>American College of Medical Genetics and Genomics, Newborn Screening ACT Sheet, Decreased galactocerebrosidase, mildly elevated psychosine, Krabbe Disease (late-onset form), 2022</div></li><li><a target="_blank" href="https://publications.aap.org/pediatrics/article/148/3/e2021053126/181065/Leukodystrophies-in-Children-Diagnosis-Care-and">AAP, 2021</a><div>Leukodystrophies in Children: Diagnosis, Care, and Treatment, Pediatrics (2021) 148 (3): e2021053126.</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=606890" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=2581[geneid]" target="_blank">View GALC variations in ClinVar</a></li><li><a href="/nuccore/319803083" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=245200" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
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<div class="portlet_content ln"><ul><li><a href="http://www.diseaseinfosearch.org/Krabbe+leukodystrophy/4044" target="_blank">Genetic Alliance</a></li><li><a href="https://www.malacards.org/card/krabbe_disease" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=Galactosylceramide%20beta-galactosidase%20deficiency" target="_blank">MedlinePlus</a></li><li><a href="https://medlineplus.gov/genetics/condition/krabbe-disease" target="_blank">MedlinePlusGenetics (GHR)</a></li><li><a href="https://rarediseases.info.nih.gov/diseases/6844/disease" target="_blank">NCATS Office of Rare Diseases Research (GARD)</a></li></ul></div>
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