{"Name":"Leukoencephalopathy with bilateral anterior temporal lobe cysts","DiseaseID__c":"GARD:0019917","id":19917,"encodedName":"leukoencephalopathy-with-bilateral-anterior-temporal-lobe-cysts","IsDeleted":false,"Disease_Name_Full__c":"Leukoencephalopathy with bilateral anterior temporal lobe cysts","Xref_IDs__c":"C4304744; MEDGEN:930413; MONDO:0015348; ORPHA:139444","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":3,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0015348","Disease_Description__c":"A rare, nonprogressive, neurological disorder marked by intellectual deficit, spasticity and motor retardation associated with characteristic MRI findings of anterior bilateral temporal lobe cysts and multilobar leukoencephalopathy. So far, around 30 cases have been reported in the literature. Onset occurs in the first few months of life. Sensorineural deafness and microcephaly have also been reported. The etiology is unknown but an autosomal recessive mode of inheritance has been suggested.","GARD_Name__c":"Leukoencephalopathy with bilateral anterior temporal lobe cysts","GARD_Synonym__c":"leukoencephalopathy co-occurrent with bilateral anterior temporal lobe cysts","Curated_Disease_Description_Source__c":"ORPHA:139444","Curated_Disease_Description__c":"A rare, nonprogressive, neurological disorder marked by intellectual deficit, spasticity and motor retardation associated with characteristic MRI findings of anterior bilateral temporal lobe cysts and multilobar leukoencephalopathy. Onset occurs in the first few months of life. Sensorineural deafness and microcephaly have also been reported. The etiology is unknown but an autosomal recessive mode of inheritance has been suggested.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn and as an Infant","SourceID__c":"ORPHA:139444","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0015348","ORPHANET_ID__c":"ORPHA:139444","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Leucoencefalopatía con quistes anteriores y bilaterales en el lóbulo temporal","Spanish_Description_Source__c":"ORPHA:139444","Spanish_Description__c":"Esta enfermedad es un trastorno neurológico no progresivo y poco frecuente, caracterizado por déficit intelectual, espasticidad y retraso motor asociado a hallazgos característicos de Resonancia Magnética Nuclear (RMN) en forma de quistes bilaterales y anteriores del lóbulo temporal, así como de leucoencefalopatía multilobular. Se han descrito alrededor de 30 casos en la literatura hasta la actualidad. Su aparición se da en los primeros meses de vida. También se han descrito casos con sordera neurosensorial y microcefalia. Se desconoce la etiología, aunque se ha sugerido un patrón hereditario autosómico recesivo.","Spanish_Disease_Name__c":"leucoencefalopatía con quistes anteriores y bilaterales en el lóbulo temporal","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:98006","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":"A rare, nonprogressive, neurological disorder marked by intellectual deficit, spasticity and motor retardation associated with characteristic MRI findings of anterior bilateral temporal lobe cysts and multilobar leukoencephalopathy. Onset occurs in the first few months of life. Sensorineural deafness and microcephaly have also been reported. The etiology is unknown but an autosomal recessive mode of inheritance has been suggested.","Curated_Disease_Description_Source__c":"ORPHA:139444","GARD_Synonym__c":"leukoencephalopathy co-occurrent with bilateral anterior temporal lobe cysts","Name":"Leukoencephalopathy with bilateral anterior temporal lobe cysts","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Neurology","Tag_Category__c":"Disease Category;Specialist","category_description":"Neurological diseases affect the brain, spinal cord, cranial nerves, autonomic nerves, or other peripheral nerves.","curated_tag_name":"Neurological diseases"},{"Tag_Name__c":"Leukodystrophy","Tag_Category__c":"Account;Cause;Disease Category","category_description":"Leukodystrophies are a group of genetic neurological diseases that affect the white matter of the brain and spinal cord.","curated_tag_name":"Leukodystrophies"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:139444"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:139444"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=930413","Source__c":"C4304744","Xref__c":"MEDGEN:930413"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4304744","Source__c":"C4304744","Xref__c":"C4304744"},{"URL__c":"https://www.orpha.net/en/disease/detail/139444","Source__c":"C4304744; MONDO:0015348; ORPHA:139444","Xref__c":"ORPHA:139444"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=719403003","Source__c":"C4304744","Xref__c":"719403003"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0015348","Source__c":"GARD:0019917","Xref__c":"MONDO:0015348"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000252","HPO_Synonym__c":"Abnormally small cranium; Abnormally small skull; Decreased circumference of cranium; Decreased size of cranium; Decreased size of skull; Reduced head circumference; small cranium; Small head circumference","HPO_Name__c":"Microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A misalignment of the eyes so that the visual axes deviate from bifoveal fixation. The classification of strabismus may be based on a number of features including the relative position of the eyes, whether the deviation is latent or manifest, intermittent or constant, concomitant or otherwise and according to the age of onset and the relevance of any associated refractive error.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000486","HPO_Synonym__c":"Cross-eyed; Squint; Squint eyes","HPO_Name__c":"Strabismus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000407","HPO_Synonym__c":"Hearing loss, sensorineural; Sensorineural deafness; Sensorineural hearing loss","HPO_Name__c":"Sensorineural hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004302","HPO_Synonym__c":"Functional motor problems","HPO_Name__c":"Functional motor deficit","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"This term describes abnormality of the white matter of the cerebrum resulting from damage to the myelin sheaths of nerve cells.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002352","HPO_Name__c":"Leukoencephalopathy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Complete lack of development of speech and language abilities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001344","HPO_Synonym__c":"Absent speech development; Lack of language development; Lack of speech; No speech development; No speech or language development; Nonverbal","HPO_Name__c":"Absent speech","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A series of rhythmic and involuntary muscle contractions (at a frequency of about 5 to 7 Hz) that occur in response to an abruptly applied and sustained stretch.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002169","HPO_Synonym__c":"Involuntary rhythmic muscular contractions and relaxations","HPO_Name__c":"Clonus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A cystic lesion originating within the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010576","HPO_Synonym__c":"Cerebral cystic malformation","HPO_Name__c":"Intracranial cystic lesion","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Spasticity (velocity-dependent increase in tonic stretch reflexes with increased muscle tone and hyperexcitable tendon reflexes) in the muscles of the lower limbs, hips, and pelvis.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002061","HPO_Synonym__c":"Lower extremities spasticity; Lower extremity spasticity; Spastic lower extremities; Spastic lower extremity; Spastic lower limb; Spastic lower limbs; Spasticity in lower extremities; Spasticity in lower extremity; Spasticity in lower limb; Spasticity in lower limbs; Spasticity of lower extremities; Spasticity of lower extremity; Spasticity of lower limb; Spasticity of lower limbs","HPO_Name__c":"Lower limb spasticity","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of Developmental delay characterized by a delay in acquiring motor skills.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001270","HPO_Synonym__c":"Delay in development of motor milestones; Delay in motor development; Delayed development of motor milestones; Delayed early motor milestones; Delayed motor development; Delayed motor milestones; Locomotor delay; Motor developmental delay; Motor developmental milestones not achieved; Motor retardation; Retarded motor development; Slow development of motor milestones","HPO_Name__c":"Motor delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","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":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"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.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003487","HPO_Synonym__c":"Extensor plantar reflexes; Extensor plantar response; Extensor plantar responses; Positive Babinski sign","HPO_Name__c":"Babinski sign","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:139444","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Muscular hypotonia (abnormally low muscle tone) affecting the musculature of the trunk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008936","HPO_Synonym__c":"Low muscle tone in trunk; Muscular hypotonia of the trunk; Truncal hypotonia","HPO_Name__c":"Axial hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics","Leukodystrophy"],"Disease Category":["Genetics","Neurology","Leukodystrophy"],"Specialist":["Genetics","Neurology","Pediatrics"],"Account":["Leukodystrophy"]},"synonyms":["leukoencephalopathy co-occurrent with bilateral anterior temporal lobe cysts"]}