{"Name":"Microlissencephaly","DiseaseID__c":"GARD:0016555","id":16555,"encodedName":"microlissencephaly","IsDeleted":false,"Disease_Name_Full__c":"Microlissencephaly","Xref_IDs__c":"1003374009; C1956147; DOID:0112234; HP:0045028; MEDGEN:365439; MONDO:0015204; ORPHA:1083","USA_Estimate__c":null,"No_of_Specialist_Tagsa__c":5,"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":7,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0015204","Disease_Description__c":"Microlissencephaly describes a heterogenous group of a rare cortical malformations characterized by lissencephaly in combination with severe congenital microcephaly, presenting with spasticity, severe developmental delay, and seizures and with survival varying from days to years.","GARD_Name__c":"Microlissencephaly","GARD_Synonym__c":"lissencephaly type iii; micro-lissencephaly; type 3 lissencephaly; type iii lissencephaly","Curated_Disease_Description_Source__c":"MONDO:0015204","Curated_Disease_Description__c":"Microlissencephaly describes a heterogenous group of a rare cortical malformations characterized by lissencephaly in combination with severe congenital microcephaly, presenting with spasticity, severe developmental delay, and seizures and with survival varying from days to years.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":"as a Newborn and as an Infant","SourceID__c":"ORPHA:1083","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Grouping","MONDO_ID__c":"MONDO:0015204","ORPHANET_ID__c":"ORPHA:1083","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Microlisencefalia","Spanish_Description_Source__c":"ORPHA:1083","Spanish_Description__c":"La microlisencefalia describe un grupo heterogéneo de malformaciones corticales poco frecuentes caracterizadas por lisencefalia en combinación con microcefalia congénita grave, presentándose con espasticidad, retraso grave del desarrollo, convulsiones y con una esperanza de vida que varía desde días a años.","Spanish_Disease_Name__c":"microlisencefalia","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:93890","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":"Microlissencephaly describes a heterogenous group of a rare cortical malformations characterized by lissencephaly in combination with severe congenital microcephaly, presenting with spasticity, severe developmental delay, and seizures and with survival varying from days to years.","Curated_Disease_Description_Source__c":"MONDO:0015204","GARD_Synonym__c":"lissencephaly type iii; micro-lissencephaly; type 3 lissencephaly; type iii lissencephaly","Name":"Microlissencephaly","estimateUsa":""}],"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":"Congenital Abnormality","Tag_Category__c":"Disease Category","category_description":"Birth defects are structural changes present at birth that can affect almost any part of the body, including how the body looks, works, or both.","curated_tag_name":"Birth defects"},{"Tag_Name__c":"Epilepsy","Tag_Category__c":"Account;Specialist","curated_tag_name":"Epilepsy"},{"Tag_Name__c":"Neurodevelopmental disabilities","Tag_Category__c":"Specialist","curated_tag_name":"Neurodevelopmental disabilities"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:1083"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:1083"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C1956147","Source__c":"C1956147","Xref__c":"C1956147"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0112234","Source__c":"MONDO:0015204","Xref__c":"DOID:0112234"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=365439","Source__c":"C1956147","Xref__c":"MEDGEN:365439"},{"URL__c":"https://www.orpha.net/en/disease/detail/1083","Source__c":"C1956147; MONDO:0015204; ORPHA:1083","Xref__c":"ORPHA:1083"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1003374009","Source__c":"C1956147","Xref__c":"1003374009"},{"URL__c":"https://hpo.jax.org/browse/term/HP:0045028","Source__c":"C1956147","Xref__c":"HP:0045028"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0015204","Source__c":"GARD:0016555","Xref__c":"MONDO:0015204"}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Atrophy of the cortex of the cerebrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002120","HPO_Synonym__c":"Cerebral cortex atrophy; Cortical atrophy; Decrease in size of the outer layer of the brain due to loss of brain cells","HPO_Name__c":"Cerebral cortical atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:1083","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:1083","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal morphology (form) of the face or its components.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001999","HPO_Synonym__c":"Abnormal facial shape; Abnormal morphology of the face; Distinctive facies; Dysmorphic facial features; Dysmorphic facies; Facial dysmorphism; Unusual facial appearance; Unusual facies","HPO_Name__c":"Abnormal facial shape","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","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"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the corpus callosum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002079","HPO_Synonym__c":"Corpus callosum hypoplasia; Hypoplasia of corpus callosum; Hypoplastic corpus callosum; Underdevelopment of part of brain called corpus callosum","HPO_Name__c":"Hypoplasia of the corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007190","HPO_Name__c":"Neuronal loss in the cerebral cortex","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A condition in which there is increased muscle tone so that arms or legs, for example, are stiff and difficult to move.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001276","HPO_Synonym__c":"Hypertonicity; Increased muscle tone","HPO_Name__c":"Hypertonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Pachygyria is a malformation of cortical development with abnormally wide gyri with sulci 1,5-3 cm apart and abnormally thick cortex measuring more than 5 mm (radiological definition). See also neuropathological definitions for 2-, 3-, and 4-layered lissencephaly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001302","HPO_Synonym__c":"Cerebral pachygyria; Fewer and broader ridges in brain; Macrogyria","HPO_Name__c":"Pachygyria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","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":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Inflammation of any part of the lung parenchyma.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002090","HPO_Synonym__c":"Pneumonia","HPO_Name__c":"Pneumonia","Feature_System__c":"Respiratory system; Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A form of gray matter heterotopia were the mislocalized gray matter is typically located periventricularly, also sometimes called subependymal heterotopia. Periventricular means beside the ventricles. This is by far the most common location for heterotopia. Subependymal heterotopia present in a wide array of variations. There can be a small single node or a large number of nodes, can exist on either or both sides of the brain at any point along the higher ventricle margins, can be small or large, single or multiple, and can form a small node or a large wavy or curved mass.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007165","HPO_Synonym__c":"Periventricular gray matter heterotopia; Periventricular neuronal heterotopia; Subependymal gray matter heterotopia; Subependymal neuronal heterotopia","HPO_Name__c":"Periventricular heterotopia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A spectrum of malformations of cortical development caused by insufficient neuronal migration that subsumes the terms agyria, pachygyria and subcortical band heterotopia. See also neuropathological definitions for 2-, 3-, and 4-layered lissencephaly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001339","HPO_Synonym__c":"Fewer or absent grooves in brain","HPO_Name__c":"Lissencephaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Hyperreflexia is the presence of hyperactive stretch reflexes of the muscles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001347","HPO_Synonym__c":"Increased deep tendon reflexes; Increased reflexes","HPO_Name__c":"Hyperreflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"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.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001272","HPO_Synonym__c":"Atrophic cerebellum; Degeneration of cerebellum","HPO_Name__c":"Cerebellar atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A form of heterotopia were the mislocalized gray matter is located deep within the white matter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0032391","HPO_Name__c":"Subcortical heterotopia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006891","HPO_Name__c":"Thick cerebral cortex","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the cerebral cortex with fewer gyri but with normal cortical thickness. This pattern is usually often associated with congenital microcephaly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009879","HPO_Synonym__c":"Cortical gyral simplification","HPO_Name__c":"Simplified gyral pattern","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Defective structure and function of myelin sheaths of the white matter of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007266","HPO_Synonym__c":"Areas of dysmyelination on MRI; Dysmyelination of the brain","HPO_Name__c":"Cerebral dysmyelination","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A bilateral tonic-clonic seizure with generalized onset is a type of bilateral tonic-clonic seizure characterized by generalized onset; these seizures rapidly engage networks in both hemispheres at the start of the seizure.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0025190","HPO_Synonym__c":"Generalised tonic-clonic seizure without focal onset; Generalised tonic-clonic seizure without partial onset; Generalised tonic-clonic seizures without focal onset; Generalised-onset tonic-clonic seizure; Generalized tonic-clonic seizure without focal onset; Generalized tonic-clonic seizure without partial onset; Generalized tonic-clonic seizures without focal onset; Generalized-onset tonic-clonic seizure; Primarily generalized tonic-clonic seizures; Primary generalized tonic-clonic seizure; Primary generalized tonic-clonic seizures","HPO_Name__c":"Bilateral tonic-clonic seizure with generalized onset","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A degree of language development that is significantly below the norm for a child of a specified age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000750","HPO_Synonym__c":"Deficiency of speech development; Delayed language development; Delayed speech; Delayed speech acquisition; Delayed speech and language development; Delayed speech development; Impaired speech and language development; Impaired speech development; Language delay; Language delayed; Language development deficit; Late-onset speech development; Poor language development; Speech and language delay; Speech and language difficulties; Speech delay","HPO_Name__c":"Delayed speech and language development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1083","HPO_Frequency__c":"Always (100%)","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"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Epilepsy","Neurodevelopmental disabilities","Pediatrics"],"Account":["Epilepsy"]},"synonyms":["lissencephaly type iii"," micro-lissencephaly"," type 3 lissencephaly"," type iii lissencephaly"]}