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<meta name="keywords" content="C5567893, atp13a2, atp13a2 hereditary spastic paraplegia, autosomal recessive spastic paraplegia type 78, disease or syndrome, hereditary spastic paraplegia caused by mutation in atp13a2, spastic paraplegia 78, autosomal recessive, spastic paraplegia 78, autosomal recessive; spg78, spg78, spg78 - autosomal recessive spastic paraplegia type 78, 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="Autosomal recessive spastic paraplegia-78 is an adult-onset neurodegenerative disorder characterized predominantly by spasticity and muscle weakness of the lower limbs, resulting in gait difficulties and loss of ambulation in some patients. Affected individuals also have cerebellar signs, such as dysarthria, oculomotor disturbances, and limb and gait ataxia; brain imaging shows cerebellar atrophy. Some patients may have mild cognitive impairment or frank dementia. The phenotype is highly variable (summary by Estrada-Cuzcano et al., 2017).&#13; Biallelic mutation in the ATP13A2 gene also causes Kufor-Rakeb syndrome (KRS; 606693), a neurodegenerative disorder with overlapping features. Patients with KRS have earlier onset and prominent parkinsonism. Loss of ATP13A2 function results in a multidimensional spectrum of neurologic features reflecting various regions of the brain and nervous system, including cortical, pyramidal, extrapyramidal, brainstem, cerebellar, and peripheral (summary by Estrada-Cuzcano et al., 2017)." /><meta name="robots" content="index,nofollow,noarchive" />
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<title>Autosomal recessive spastic paraplegia type 78 (Concept Id: C5567893)
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<!--
UID=1799316
ConceptID=C5567893
-->
<!--imgCountBooks = 0--><h1 class="medgenTitle"><div class="MedGenTitleText">Autosomal recessive spastic paraplegia type 78<span class="h1sub">(SPG78)</span></div></h1><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1799316</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information."><span class="highlight" style="background-color:">C5567893</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>SPASTIC PARAPLEGIA 78, AUTOSOMAL RECESSIVE; SPG78</td></tr>
<tr><td><span class="bold">SNOMED CT: </span></td>
<td>Autosomal recessive spastic paraplegia type 78 (1177168007); SPG78 - autosomal recessive spastic paraplegia type 78 (1177168007)</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="ATP13A2 - ID: 23400 - NCBI Gene" href="/gene/23400" class="medgenPMinfo">ATP13A2</a> (1p36.13)</td></tr>
<tr><td colspan="2" class="small"> </td></tr><tr><td>Monarch Initiative:</td>
<td><a href="https://monarchinitiative.org/disease/MONDO:0014975" target="_blank">MONDO:0014975</a></td></tr>
<tr><td>OMIM<span class="superscript">®</span>:</td>
<td><a href="https://omim.org/entry/617225" target="_blank">617225</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=513436">ORPHA513436</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_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">Autosomal recessive spastic paraplegia-78 is an adult-onset neurodegenerative disorder characterized predominantly by spasticity and muscle weakness of the lower limbs, resulting in gait difficulties and loss of ambulation in some patients. Affected individuals also have cerebellar signs, such as dysarthria, oculomotor disturbances, and limb and gait ataxia; brain imaging shows cerebellar atrophy. Some patients may have mild cognitive impairment or frank dementia. The phenotype is highly variable (summary by Estrada-Cuzcano et al., 2017).&#13; Biallelic mutation in the ATP13A2 gene also causes Kufor-Rakeb syndrome (KRS; 606693), a neurodegenerative disorder with overlapping features. Patients with KRS have earlier onset and prominent parkinsonism. Loss of ATP13A2 function results in a multidimensional spectrum of neurologic features reflecting various regions of the brain and nervous system, including cortical, pyramidal, extrapyramidal, brainstem, cerebellar, and peripheral (summary by Estrada-Cuzcano et al., 2017). [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_39315"><div><strong>Urinary urgency</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>39315</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.">C0085606</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Urge incontinence is the strong, sudden need to urinate.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/39315">Feature record</a> | <a href="/medgen?term=%22Urinary%20urgency%22%5BClinical%20Features%5D%20OR%2039315%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_675590"><div><strong>Pes cavus</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>675590</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C0728829</a></dd><dt><span class="dotprefix"></span></dt><dd>Congenital Abnormality</dd></dl></div></div></div>
<div class="spaceAbove">An increase in height of the medial longitudinal arch of the foot that does not flatten on weight bearing (i.e., a distinctly hollow form of the sole of the foot when it is bearing weight).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/675590">Feature record</a> | <a href="/medgen?term=%22Pes%20cavus%22%5BClinical%20Features%5D%20OR%20675590%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1375"><div><strong>Aggressive behavior</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1375</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.">C0001807</a></dd><dt><span class="dotprefix"></span></dt><dd>Individual Behavior</dd></dl></div></div></div>
<div class="spaceAbove">Behavior or an act aimed at harming a person, animal, or physical property (e.g., acts of physical violence; shouting, swearing, and using harsh language; slashing someone's tires).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen?term=%22Aggressive%20behavior%22%5BClinical%20Features%5D%20OR%201375%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_849"><div><strong>Cerebellar ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>849</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.">C0007758</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- or overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/849">Feature record</a> | <a href="/medgen?term=%22Cerebellar%20ataxia%22%5BClinical%20Features%5D%20OR%20849%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_8510"><div><strong>Dysarthria</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>8510</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.">C0013362</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/8510">Feature record</a> | <a href="/medgen?term=%22Dysarthria%22%5BClinical%20Features%5D%20OR%208510%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_6709"><div><strong>Hallucinations</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>6709</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.">C0018524</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Perceptions in a conscious and awake state that, in the absence of external stimuli, have qualities of real perception. These perceptions are vivid, substantial, and located in external objective space.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/6709">Feature record</a> | <a href="/medgen?term=%22Hallucinations%22%5BClinical%20Features%5D%20OR%206709%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_19708"><div><strong>Babinski sign</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>19708</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.">C0034935</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Upturning of the big toe (and sometimes fanning of the other toes) in response to stimulation of the sole of the foot. If the Babinski sign is present it can indicate damage to the corticospinal tract.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/19708">Feature record</a> | <a href="/medgen?term=%22Babinski%20sign%22%5BClinical%20Features%5D%20OR%2019708%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_20882"><div><strong>Spastic paraplegia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>20882</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.">C0037772</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Spasticity and weakness of the leg and hip muscles.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/20882">Feature record</a> | <a href="/medgen?term=%22Spastic%20paraplegia%22%5BClinical%20Features%5D%20OR%2020882%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_39084"><div><strong>Falls</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>39084</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.">C0085639</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A sudden movement downward, usually resulting in injury.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/39084">Feature record</a> | <a href="/medgen?term=%22Falls%22%5BClinical%20Features%5D%20OR%2039084%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_57738"><div><strong>Hyperreflexia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>57738</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.">C0151889</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">Hyperreflexia is the presence of hyperactive stretch reflexes of the muscles.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/57738">Feature record</a> | <a href="/medgen?term=%22Hyperreflexia%22%5BClinical%20Features%5D%20OR%2057738%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_115925"><div><strong>Bradykinesia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>115925</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.">C0233565</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">Bradykinesia literally means slow movement, and is used clinically to denote a slowness in the execution of movement (in contrast to hypokinesia, which is used to refer to slowness in the initiation of movement).</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/115925">Feature record</a> | <a href="/medgen?term=%22Bradykinesia%22%5BClinical%20Features%5D%20OR%20115925%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_68582"><div><strong>Abnormal pyramidal sign</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>68582</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.">C0234132</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">Functional neurological abnormalities related to dysfunction of the pyramidal tract.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/68582">Feature record</a> | <a href="/medgen?term=%22Abnormal%20pyramidal%20sign%22%5BClinical%20Features%5D%20OR%2068582%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66697"><div><strong>Resting tremor</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66697</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.">C0234379</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A resting tremor occurs when muscles are at rest and becomes less noticeable or disappears when the affected muscles are moved. Resting tremors are often slow and coarse.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66697">Feature record</a> | <a href="/medgen?term=%22Resting%20tremor%22%5BClinical%20Features%5D%20OR%2066697%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66713"><div><strong>Mental deterioration</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66713</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.">C0234985</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">Loss of previously present mental abilities, generally in adults.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66713">Feature record</a> | <a href="/medgen?term=%22Mental%20deterioration%22%5BClinical%20Features%5D%20OR%2066713%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_66079"><div><strong>Parkinsonian disorder</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>66079</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.">C0242422</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Characteristic neurologic anomaly resulting from degeneration of dopamine-generating cells in the substantia nigra, a region of the midbrain, characterized clinically by shaking, rigidity, slowness of movement and difficulty with walking and gait.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/66079">Feature record</a> | <a href="/medgen?term=%22Parkinsonian%20disorder%22%5BClinical%20Features%5D%20OR%2066079%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_99229"><div><strong>Dementia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>99229</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.">C0497327</a></dd><dt><span class="dotprefix"></span></dt><dd>Mental or Behavioral Dysfunction</dd></dl></div></div></div>
<div class="spaceAbove">A loss of global cognitive ability of sufficient amount to interfere with normal social or occupational function. Dementia represents a loss of previously present cognitive abilities, generally in adults, and can affect memory, thinking, language, judgment, and behavior.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/99229">Feature record</a> | <a href="/medgen?term=%22Dementia%22%5BClinical%20Features%5D%20OR%2099229%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_196624"><div><strong>Cerebellar atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>196624</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.">C0740279</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Cerebellar atrophy is defined as a cerebellum with initially normal structures, in a posterior fossa with normal size, which displays enlarged fissures (interfolial spaces) in comparison to the foliae secondary to loss of tissue. Cerebellar atrophy implies irreversible loss of tissue and result from an ongoing progressive disease until a final stage is reached or a single injury, e.g. an intoxication or infectious event.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/196624">Feature record</a> | <a href="/medgen?term=%22Cerebellar%20atrophy%22%5BClinical%20Features%5D%20OR%20196624%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_155642"><div><strong>Gait ataxia</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>155642</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.">C0751837</a></dd><dt><span class="dotprefix"></span></dt><dd>Sign or Symptom</dd></dl></div></div></div>
<div class="spaceAbove">A type of ataxia characterized by the impairment of the ability to coordinate the movements required for normal walking. Gait ataxia is characteirzed by a wide-based staggering gait with a tendency to fall.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/155642">Feature record</a> | <a href="/medgen?term=%22Gait%20ataxia%22%5BClinical%20Features%5D%20OR%20155642%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_266071"><div><strong>Peripheral axonal neuropathy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>266071</dd><dt><span class="dotprefix"></span>Concept ID: </dt><dd><a href="/medgen/docs/help/#sources" target="_blank" title="Concept Unique Identifier from NLM's Unified Medical Language system (UMLS)&#10;Click for more information.">C1263857</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">An abnormality characterized by disruption of the normal functioning of peripheral axons.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/266071">Feature record</a> | <a href="/medgen?term=%22Peripheral%20axonal%20neuropathy%22%5BClinical%20Features%5D%20OR%20266071%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_220959"><div><strong>Impaired vibratory sensation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>220959</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.">C1295585</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A decrease in the ability to perceive vibration. Clinically, this is usually tested with a tuning fork which vibrates at 128 Hz and is applied to bony prominences such as the malleoli at the ankles or the metacarpal-phalangeal joints. There is a slow decay of vibration from the tuning fork. The degree of vibratory sense loss can be crudely estimated by counting the number of seconds that the examiner can perceive the vibration longer than the patient.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/220959">Feature record</a> | <a href="/medgen?term=%22Impaired%20vibratory%20sensation%22%5BClinical%20Features%5D%20OR%20220959%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_335722"><div><strong>Distal sensory impairment</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>335722</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.">C1847584</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">An abnormal reduction in sensation in the distal portions of the extremities.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/335722">Feature record</a> | <a href="/medgen?term=%22Distal%20sensory%20impairment%22%5BClinical%20Features%5D%20OR%20335722%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_435926"><div><strong>Abnormal periventricular white matter morphology</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>435926</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.">C2673431</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A structural abnormality of the myelinated axons (white matter) located near the cerebral ventricles.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/435926">Feature record</a> | <a href="/medgen?term=%22Abnormal%20periventricular%20white%20matter%20morphology%22%5BClinical%20Features%5D%20OR%20435926%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_866866"><div><strong>Impaired tactile sensation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>866866</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.">C4021221</a></dd><dt><span class="dotprefix"></span></dt><dd>Finding</dd></dl></div></div></div>
<div class="spaceAbove">A reduced sense of touch (tactile sensation). This is usually tested with a wisp of cotton or a fine camel's hair brush, by asking patients to say 'now' each time they feel the stimulus.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/866866">Feature record</a> | <a href="/medgen?term=%22Impaired%20tactile%20sensation%22%5BClinical%20Features%5D%20OR%20866866%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1646740"><div><strong>Cerebral cortical atrophy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1646740</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.">C4551583</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">Atrophy of the cortex of the cerebrum.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1646740">Feature record</a> | <a href="/medgen?term=%22Cerebral%20cortical%20atrophy%22%5BClinical%20Features%5D%20OR%201646740%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_314030"><div><strong>Supranuclear gaze palsy</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>314030</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.">C1720037</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A supranuclear gaze palsy is an inability to look in a particular direction as a result of cerebral impairment. There is a loss of the voluntary aspect of eye movements, but, as the brainstem is still intact, all the reflex conjugate eye movements are normal.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/314030">Feature record</a> | <a href="/medgen?term=%22Supranuclear%20gaze%20palsy%22%5BClinical%20Features%5D%20OR%20314030%5Buid%5D">Search on this feature</a></div></div>
<div class="divPopper rprt" id="clin_1637525"><div><strong>Exodeviation</strong><div class="aux"><div class="resc"><dl class="rprtid"><dt>MedGen UID: </dt><dd>1637525</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.">C4551670</a></dd><dt><span class="dotprefix"></span></dt><dd>Disease or Syndrome</dd></dl></div></div></div>
<div class="spaceAbove">A manifest or latent ocular deviation in which one or both eyes tends to deviate temporally.</div>
<div class="spaceAbove nowrap">See: <a href="/medgen/1637525">Feature record</a> | <a href="/medgen?term=%22Exodeviation%22%5BClinical%20Features%5D%20OR%201637525%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 limbs</span><ul><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_675590" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Pes cavus</a></span></li></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_1637525" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Exodeviation</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_314030" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Supranuclear gaze palsy</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_39315" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Urinary urgency</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_435926" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Abnormal periventricular white matter morphology</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_68582" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Abnormal pyramidal sign</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1375" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Aggressive behavior</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_19708" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Babinski sign</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_115925" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Bradykinesia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_849" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar ataxia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_196624" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebellar atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_1646740" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Cerebral cortical atrophy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_99229" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dementia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_335722" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Distal sensory impairment</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_8510" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Dysarthria</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_39084" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Falls</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_155642" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Gait ataxia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_6709" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hallucinations</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_57738" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Hyperreflexia</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_866866" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Impaired tactile sensation</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_220959" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Impaired vibratory sensation</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66713" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Mental deterioration</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66079" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Parkinsonian disorder</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_266071" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Peripheral axonal neuropathy</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_66697" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Resting tremor</a></span></li><li class="TLline">
<span class="TLline"><a title="click for more information" class="jig-ncbipopper" href="#clin_20882" data-jigconfig="hasArrow: true, openEvent: 'click', closeEvent: 'mouseout', openAnimation: 'fadeIn', closeAnimation: 'fadeOut', triggerPosition: 'center right', destPosition: 'center left', arrowDirection: 'left'">Spastic paraplegia</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></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></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=C5567893[DISCUI]&amp;test_type=Clinical" ref="ncbi_uid=1799316">C</a></span><span class="chiclet unavailable round" title="Research Tests">R</span><span class="chiclet Ocolor" title="OMIM"><a ref="ncbi_uid=1799316" target="_blank" href="/omim/610513">O</a></span><span class="chiclet unavailable" title="GeneReviews">G</span><span class="chiclet Vcolor" title="ClinVar"><a target="_blank" href="/clinvar?LinkName=medgen_clinvar&amp;from_uid=1799316" ref="ncbi_uid=1799316">V</a></span></span><span class="TLline">Autosomal recessive spastic paraplegia type 78</span></li></ul></div></div></div></div></div><div id="tabMGEN"><div class="ds_tree"><ul><li><span class="TLline"><a href="/medgen/1843346" ref="tree=MeSH" title="MedGen record for Autosomal recessive complex spastic paraplegia">Autosomal recessive complex spastic paraplegia</a></span><ul><li><span class="matched_ds">Autosomal recessive spastic paraplegia type 78</span></li></ul></li></ul></div></div></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/38847051">MRI-ARSACS: An Imaging Index for Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay (ARSACS) Identification Based on the Multicenter PROSPAX Study.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Scaravilli A,
Negroni D,
Senatore C,
Ugga L,
Cosottini M,
Ricca I,
Bender B,
Traschütz A,
Başak AN,
Vural A,
van de Warrenburg BP,
Durr A,
La Piana R,
Timmann D;
PROSPAX Consortium,
Schüle R,
Synofzik M,
Santorelli FM,
Cocozza S</span><br />
<span class="medgenPMjournal">Mov Disord</span>
2024 Aug;39(8):1343-1351.
Epub 2024 Jun 7
doi: 10.1002/mds.29871.
<span class="bold">PMID: </span><a href="/pubmed/38847051" target="_blank">38847051</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36473366">Dysarthria in hereditary spastic paraplegia type 4.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Jacinto-Scudeiro LA,
Rothe-Neves R,
Dos Santos VB,
Machado GD,
Burguêz D,
Padovani MMP,
Ayres A,
Rech RS,
González-Salazar C,
Junior MCF,
Saute JAM,
Olchik MR</span><br />
<span class="medgenPMjournal">Clinics (Sao Paulo)</span>
2023;78:100128.
Epub 2022 Dec 3
doi: 10.1016/j.clinsp.2022.100128.
<span class="bold">PMID: </span><a href="/pubmed/36473366" target="_blank">36473366</a><a href="/pmc/articles/PMC9723923" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30606727">"Ears of the Lynx" MRI Sign Is Associated with SPG11 and SPG15 Hereditary Spastic Paraplegia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pascual B,
de Bot ST,
Daniels MR,
França MC Jr,
Toro C,
Riverol M,
Hedera P,
Bassi MT,
Bresolin N,
van de Warrenburg BP,
Kremer B,
Nicolai J,
Charles P,
Xu J,
Singh S,
Patronas NJ,
Fung SH,
Gregory MD,
Masdeu JC</span><br />
<span class="medgenPMjournal">AJNR Am J Neuroradiol</span>
2019 Jan;40(1):199-203.
Epub 2019 Jan 3
doi: 10.3174/ajnr.A5935.
<span class="bold">PMID: </span><a href="/pubmed/30606727" target="_blank">30606727</a><a href="/pmc/articles/PMC7048588" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/20406997">Botulinum toxin injections for pediatric patients with hereditary spastic paraparesis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Geva-Dayan K,
Domenievitz D,
Zahalka R,
Fattal-Valevski A</span><br />
<span class="medgenPMjournal">J Child Neurol</span>
2010 Aug;25(8):969-75.
Epub 2010 Apr 20
doi: 10.1177/0883073809356037.
<span class="bold">PMID: </span><a href="/pubmed/20406997" target="_blank">20406997</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20recessive%20spastic%20paraplegia%20type%2078%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 (4)</a></div><h3 class="subhead">Diagnosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/39935284">Spastic Paraplegia Type 78 Associated With ATP13A2 Gene Variants in Compound Heterozygosity.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ramírez RB,
Gascó NV,
Palmero LR,
Bueno GAR,
Yamanaka ES,
Andújar JDA</span><br />
<span class="medgenPMjournal">Mol Genet Genomic Med</span>
2025 Feb;13(2):e70073.
doi: 10.1002/mgg3.70073.
<span class="bold">PMID: </span><a href="/pubmed/39935284" target="_blank">39935284</a><a href="/pmc/articles/PMC11814479" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38847438">Digital Gait Outcomes for Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay (ARSACS): Discriminative, Convergent, and Ecological Validity in a Multicenter Study (PROSPAX).</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Beichert L,
Ilg W,
Kessler C,
Traschütz A,
Reich S,
Santorelli FM,
Başak AN,
Gagnon C;
PROSPAX Consortium,
Schüle R,
Synofzik M</span><br />
<span class="medgenPMjournal">Mov Disord</span>
2024 Sep;39(9):1544-1555.
Epub 2024 Jun 7
doi: 10.1002/mds.29876.
<span class="bold">PMID: </span><a href="/pubmed/38847438" target="_blank">38847438</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38847051">MRI-ARSACS: An Imaging Index for Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay (ARSACS) Identification Based on the Multicenter PROSPAX Study.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Scaravilli A,
Negroni D,
Senatore C,
Ugga L,
Cosottini M,
Ricca I,
Bender B,
Traschütz A,
Başak AN,
Vural A,
van de Warrenburg BP,
Durr A,
La Piana R,
Timmann D;
PROSPAX Consortium,
Schüle R,
Synofzik M,
Santorelli FM,
Cocozza S</span><br />
<span class="medgenPMjournal">Mov Disord</span>
2024 Aug;39(8):1343-1351.
Epub 2024 Jun 7
doi: 10.1002/mds.29871.
<span class="bold">PMID: </span><a href="/pubmed/38847051" target="_blank">38847051</a></div>
<div class="nl"><a target="_blank" href="/pubmed/36473366">Dysarthria in hereditary spastic paraplegia type 4.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Jacinto-Scudeiro LA,
Rothe-Neves R,
Dos Santos VB,
Machado GD,
Burguêz D,
Padovani MMP,
Ayres A,
Rech RS,
González-Salazar C,
Junior MCF,
Saute JAM,
Olchik MR</span><br />
<span class="medgenPMjournal">Clinics (Sao Paulo)</span>
2023;78:100128.
Epub 2022 Dec 3
doi: 10.1016/j.clinsp.2022.100128.
<span class="bold">PMID: </span><a href="/pubmed/36473366" target="_blank">36473366</a><a href="/pmc/articles/PMC9723923" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30606727">"Ears of the Lynx" MRI Sign Is Associated with SPG11 and SPG15 Hereditary Spastic Paraplegia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pascual B,
de Bot ST,
Daniels MR,
França MC Jr,
Toro C,
Riverol M,
Hedera P,
Bassi MT,
Bresolin N,
van de Warrenburg BP,
Kremer B,
Nicolai J,
Charles P,
Xu J,
Singh S,
Patronas NJ,
Fung SH,
Gregory MD,
Masdeu JC</span><br />
<span class="medgenPMjournal">AJNR Am J Neuroradiol</span>
2019 Jan;40(1):199-203.
Epub 2019 Jan 3
doi: 10.3174/ajnr.A5935.
<span class="bold">PMID: </span><a href="/pubmed/30606727" target="_blank">30606727</a><a href="/pmc/articles/PMC7048588" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20recessive%20spastic%20paraplegia%20type%2078%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 (5)</a></div><h3 class="subhead">Therapy</h3>
<div class="nl"><a target="_blank" href="/pubmed/20406997">Botulinum toxin injections for pediatric patients with hereditary spastic paraparesis.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Geva-Dayan K,
Domenievitz D,
Zahalka R,
Fattal-Valevski A</span><br />
<span class="medgenPMjournal">J Child Neurol</span>
2010 Aug;25(8):969-75.
Epub 2010 Apr 20
doi: 10.1177/0883073809356037.
<span class="bold">PMID: </span><a href="/pubmed/20406997" target="_blank">20406997</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20recessive%20spastic%20paraplegia%20type%2078%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 (1)</a></div><h3 class="subhead">Prognosis</h3>
<div class="nl"><a target="_blank" href="/pubmed/39935284">Spastic Paraplegia Type 78 Associated With ATP13A2 Gene Variants in Compound Heterozygosity.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ramírez RB,
Gascó NV,
Palmero LR,
Bueno GAR,
Yamanaka ES,
Andújar JDA</span><br />
<span class="medgenPMjournal">Mol Genet Genomic Med</span>
2025 Feb;13(2):e70073.
doi: 10.1002/mgg3.70073.
<span class="bold">PMID: </span><a href="/pubmed/39935284" target="_blank">39935284</a><a href="/pmc/articles/PMC11814479" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20recessive%20spastic%20paraplegia%20type%2078%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 (1)</a></div><h3 class="subhead">Clinical prediction guides</h3>
<div class="nl"><a target="_blank" href="/pubmed/39935284">Spastic Paraplegia Type 78 Associated With ATP13A2 Gene Variants in Compound Heterozygosity.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Ramírez RB,
Gascó NV,
Palmero LR,
Bueno GAR,
Yamanaka ES,
Andújar JDA</span><br />
<span class="medgenPMjournal">Mol Genet Genomic Med</span>
2025 Feb;13(2):e70073.
doi: 10.1002/mgg3.70073.
<span class="bold">PMID: </span><a href="/pubmed/39935284" target="_blank">39935284</a><a href="/pmc/articles/PMC11814479" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div class="nl"><a target="_blank" href="/pubmed/38847438">Digital Gait Outcomes for Autosomal Recessive Spastic Ataxia of Charlevoix-Saguenay (ARSACS): Discriminative, Convergent, and Ecological Validity in a Multicenter Study (PROSPAX).</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Beichert L,
Ilg W,
Kessler C,
Traschütz A,
Reich S,
Santorelli FM,
Başak AN,
Gagnon C;
PROSPAX Consortium,
Schüle R,
Synofzik M</span><br />
<span class="medgenPMjournal">Mov Disord</span>
2024 Sep;39(9):1544-1555.
Epub 2024 Jun 7
doi: 10.1002/mds.29876.
<span class="bold">PMID: </span><a href="/pubmed/38847438" target="_blank">38847438</a></div>
<div class="nl"><a target="_blank" href="/pubmed/30606727">"Ears of the Lynx" MRI Sign Is Associated with SPG11 and SPG15 Hereditary Spastic Paraplegia.</a></div>
<div class="portlet_content ln"><span class="medgenPMauthor">Pascual B,
de Bot ST,
Daniels MR,
França MC Jr,
Toro C,
Riverol M,
Hedera P,
Bassi MT,
Bresolin N,
van de Warrenburg BP,
Kremer B,
Nicolai J,
Charles P,
Xu J,
Singh S,
Patronas NJ,
Fung SH,
Gregory MD,
Masdeu JC</span><br />
<span class="medgenPMjournal">AJNR Am J Neuroradiol</span>
2019 Jan;40(1):199-203.
Epub 2019 Jan 3
doi: 10.3174/ajnr.A5935.
<span class="bold">PMID: </span><a href="/pubmed/30606727" target="_blank">30606727</a><a href="/pmc/articles/PMC7048588" target="_blank" class="PubMedFree">Free PMC Article</a></div>
<div><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/?term=%22Autosomal%20recessive%20spastic%20paraplegia%20type%2078%22%20AND%20Clinical%20prediction%20guides%2Fbroad%5Bfilter%5D%20%20AND%20%22english%20and%20humans%22%5Bfilter%5D%20NOT%20comment%5BPTYP%5D%20NOT%20letter%5BPTYP%5D" title="PubMed search">See all (3)</a></div></div>
</div>
</div></div></div></div></div></div></div>
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<div class="supplemental col three_col last">
<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>
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<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=C5567893%5bDISCUI%5d&amp;filter=method%3A2%5F8" target="_blank">Deletion/duplication analysis (17)</a></li>
<li><a href="/gtr/tests?term=C5567893%5bDISCUI%5d&amp;filter=method%3A2%5F7" target="_blank">Sequence analysis of the entire coding region (16)</a></li>
<li><a href="/gtr/tests?term=C5567893%5bDISCUI%5d&amp;filter=method%3A2%5F19" target="_blank">Targeted variant analysis (4)</a></li>
<li class="portletSeeAll portletSeeAllPad"><total><a href="/gtr/tests?term=C5567893%5bDISCUI%5d" target="_blank">See all (21)</a></total></li>
</ul></div>
</div>
<div class="portlet mgSection" id="ID_119">
<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=617225" target="_blank">OMIM</a></li><li><a href="http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Expert=513436" target="_blank">Orphanet</a></li><li><a href="https://clinicaltrials.gov/search?cond=Autosomal%20recessive%20spastic%20paraplegia%20type%2078" target="_blank">ClinicalTrials.gov</a></li></ul></div>
</div>
<div class="portlet mgSection" id="ID_115">
<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Molecular_resources">Molecular resources</h1><a sid="115" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<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=610513" target="_blank">OMIM</a></li><li><a href="/clinvar/?term=23400[geneid]" target="_blank">View ATP13A2 variations in ClinVar</a></li><li><a href="/nuccore/215422408" target="_blank">RefSeqGene</a></li><li><a href="https://catalog.coriell.org/Search?q=617225" target="_blank">Coriell Institute for Medical Research</a></li></ul></div>
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<div class="portlet_head mgSectionHead ui-widget-header"><h1 class="nl" id="Consumer_resources">Consumer resources</h1><a sid="116" href="#" class="portlet_shutter" title="Show/hide content"></a></div>
<div class="portlet_content ln"><ul><li><a href="https://www.malacards.org/card/spastic_paraplegia_78_autosomal_recessive" target="_blank">MalaCards</a></li><li><a href="https://vsearch.nlm.nih.gov/vivisimo/cgi-bin/query-meta?v:project=medlineplus&amp;query=Autosomal%20recessive%20spastic%20paraplegia%20type%2078" target="_blank">MedlinePlus</a></li><li><a href="https://rarediseases.info.nih.gov/diseases/17952/disease" target="_blank">NCATS Office of Rare Diseases Research (GARD)</a></li></ul></div>
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<h3>Reviews</h3>
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