{"Name":"Band heterotopia of brain","DiseaseID__c":"GARD:0002250","id":2250,"encodedName":"band-heterotopia-of-brain","IsDeleted":false,"Disease_Name_Full__c":"Band heterotopia of brain","Xref_IDs__c":"C4284594; C563950; MEDGEN:924885; MONDO:0010873; OMIM:600348","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":0,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":null,"No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":2,"Disease_Characteristics_Score__c":3,"No_of_Age_at_Onset__c":0,"Description_Source__c":"OMIM:600348","Disease_Description__c":"A number sign (#) is used with this entry because of evidence that band heterotopia (BH) is caused by homozygous or compound heterozygous mutation in the EML1 gene ({602033}) on chromosome 14q32.","GARD_Name__c":"Band heterotopia of brain","GARD_Synonym__c":null,"Curated_Disease_Description_Source__c":"OMIM:600348","Curated_Disease_Description__c":"Band heterotopia (BH) is a neuronal migration disorder in which aberrantly located neurons, in the form of a band in the brain white matter, are present below a cortex that appears relatively normal by magnetic resonance imaging (MRI). Clinically, patients show severe developmental delay with intellectual disability, seizures, hypotonia, and hydrocephalus.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":null,"SourceID__c":"OMIM:600348","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0010873","ORPHANET_ID__c":null,"Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":null,"Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":null,"Spanish_GARD_Synonym__c":null,"Category_Linearization__c":null,"icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"Band heterotopia (BH) is a neuronal migration disorder in which aberrantly located neurons, in the form of a band in the brain white matter, are present below a cortex that appears relatively normal by magnetic resonance imaging (MRI). Clinically, patients show severe developmental delay with intellectual disability, seizures, hypotonia, and hydrocephalus.","Curated_Disease_Description_Source__c":"OMIM:600348","Name":"Band heterotopia of brain","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"PVNH Support & Awareness","Website__c":"https://pvnhsupport.com/"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0002250","Source__c":"RareSource"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4284594","Source__c":"C4284594","Xref__c":"C4284594"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=924885","Source__c":"C4284594","Xref__c":"MEDGEN:924885"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C563950","Source__c":"MONDO:0010873","Xref__c":"C563950"},{"URL__c":"https://www.omim.org/entry/600348","Source__c":"C4284594; MONDO:0010873","Xref__c":"OMIM:600348"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0010873","Source__c":"GARD:0002250","Xref__c":"MONDO:0010873"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"EML1","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:600348","Feature__r":{"HPO_Description__c":"An abnormal pattern in the quality, quantity, or characteristics of sleep.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002360","HPO_Synonym__c":"Difficulty sleeping; Sleep abnormality; Sleep disturbances; Sleep dysfunction; Sleep-wake disturbance; Trouble sleeping","HPO_Name__c":"Sleep disturbance","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","Feature__r":{"HPO_Description__c":"A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001257","HPO_Synonym__c":"Involuntary muscle stiffness, contraction, or spasm; Muscle spasticity; Muscular spasticity","HPO_Name__c":"Spasticity","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A profound delay in the achievement of motor or mental milestones in the domains of development of a child.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012736","HPO_Synonym__c":"Global developmental delay, profound","HPO_Name__c":"Profound global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Polymicrogyria is a congenital malformation of the cerebral cortex characterized by abnormal cortical layering (lamination) and an excessive number of small gyri (folds).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002126","HPO_Synonym__c":"More grooves in brain","HPO_Name__c":"Polymicrogyria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Occipitofrontal (head) circumference greater than 97th centile compared to appropriate, age matched, sex-matched normal standards. Alternatively, a apparently increased size of the cranium.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000256","HPO_Synonym__c":"Increased size of cranium; Increased size of skull; Large head; Large head circumference; Macrocephalus; Macrocrania; Megacephaly","HPO_Name__c":"Macrocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An increase in size of the ventricular system of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002119","HPO_Synonym__c":"Cerebral ventricular dilatation; Dilated cerebral ventricle; Dilated cerebral ventricles; Dilated ventricles; Enlarged cerebral ventricles; Enlarged ventricles; Enlarged ventricular system; Large cerebral ventricles and cisternae; Ventricular dilatation","HPO_Name__c":"Ventriculomegaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Heterotopia or neuronal heterotopia are macroscopic clusters of misplaced neurons (gray matter), most often situated along the ventricular walls or within the subcortical white matter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002282","HPO_Synonym__c":"Gray matter heterotopias; Heterotopia; Heterotopias; Neuronal heterotopia","HPO_Name__c":"Gray matter heterotopia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A form of subcortical heterotopia with mislocalized gray matter within the white matter.It is defined as longitudinal bands of gray matter located deep to the cerebral cortex and separated from it by a thin layer of normal appearing white matter. It is part of the lissencephaly spectrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0032409","HPO_Name__c":"Subcortical band heterotopia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001263","HPO_Synonym__c":"Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; GDD; Lack of psychomotor development; Motor and developmental delay; Motormental retardation; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development","HPO_Name__c":"Global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006956","HPO_Synonym__c":"Dilatation of lateral cerebral ventricles; Dilation of lateral ventricles; Enlarged lateral ventricles; Lateral ventricle dilatation","HPO_Name__c":"Lateral ventricle dilatation","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of the corpus callosum as a result of the failure of the corpus callosum to develop, which can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001274","HPO_Synonym__c":"Absence of corpus callosum; Absent corpus callosum; Agenesis of the corpus callosum; Callosal agenesis; Corpus callosum agenesis; Dysplastic or absent corpus callosum","HPO_Name__c":"Agenesis of corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"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.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","Feature__r":{"HPO_Description__c":"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.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000238","HPO_Synonym__c":"Hydrocephaly; Nonsyndromal hydrocephalus; Too much cerebrospinal fluid in the brain","HPO_Name__c":"Hydrocephalus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the hippocampus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025517","HPO_Synonym__c":"Small hippocampus; Underdeveloped hippocampus","HPO_Name__c":"Hypoplastic hippocampus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Asymmetric head shape, which is usually a combination of unilateral occipital flattening with ipsilateral frontal prominence, leading to rhomboid cranial shape.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001357","HPO_Synonym__c":"Flat head syndrome; Flattening of cranial vault; Flattening of cranium; Flattening of skull; Rhomboid shaped cranium; Rhomboid shaped skull","HPO_Name__c":"Plagiocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","Feature__r":{"HPO_Description__c":"Atypical behavior is an abnormality in a person's actions that can be controlled or modulated by the will of the individual. While abnormal behaviors can be difficult to control, they are distinct from other abnormal actions that cannot be affected by the individual's will.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000708","HPO_Synonym__c":"Behavioral abnormality; Behavioral changes; Behavioral disorders; Behavioral disturbances; Behavioral problems; Behavioral symptoms; Behavioral/psychiatric abnormalities; Behavioural symptoms; Behavioural/Psychiatric abnormality; Psychiatric disorders; Psychiatric disturbances","HPO_Name__c":"Atypical behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:600348","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Severe intellectual disability (ID) is defined as a type of ID characterized by severely sub-average adaptive functioning and intellectual functioning, with an intelligence quotient (IQ) the range of 20-34.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010864","HPO_Synonym__c":"Early and severe mental retardation; Intellectual disability, severe; Mental retardation, severe; Severe mental retardation","HPO_Name__c":"Severe intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{},"synonyms":[""]}