{"Name":"Severe intellectual disability-corpus callosum agenesis-facial dysmorphism-cerebellar ataxia syndrome","DiseaseID__c":"GARD:0017824","id":17824,"encodedName":"severe-intellectual-disability-corpus-callosum-agenesis-facial-dysmorphism-cerebellar-ataxia-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Severe intellectual disability-corpus callosum agenesis-facial dysmorphism-cerebellar ataxia syndrome","Xref_IDs__c":"C4225193; MEDGEN:902346; MONDO:0014787; OMIM:616819; ORPHA:466688","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":4,"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":1,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":1,"Description_Source__c":"ORPHA:466688","Disease_Description__c":"A rare genetic neurological disorder characterized by congenital microcephaly, severe intellectual disability, hypertonia at birth lessening with age, ataxia, and specific dysmorphic facial features including hirsutism, low anterior hairline and bitemporal narrowing, arched, thick, and medially sparse eyebrows, long eyelashes, lateral upper eyelids swelling and a skin fold partially covering the inferior eyelids, low-set posteriorly rotated protruding ears, anteverted nares, and a full lower lip. Brain imaging shows partial to almost complete agenesis of the corpus callosum and variable degrees of cerebellar hypoplasia.","GARD_Name__c":"Severe intellectual disability-corpus callosum agenesis-facial dysmorphism-cerebellar ataxia syndrome","GARD_Synonym__c":"birk-flusser syndrome; ccafca; corpus callosum, agenesis of, with facial anomalies and cerebellar ataxia; severe intellectual disability, agenesis of corpus callosum, facial dysmorphism, cerebellar ataxia syndrome","Curated_Disease_Description_Source__c":"ORPHA:466688","Curated_Disease_Description__c":"A rare genetic neurological disorder characterized by congenital microcephaly, severe intellectual disability, hypertonia at birth lessening with age, ataxia, and specific dysmorphic facial features including hirsutism, low anterior hairline and bitemporal narrowing, arched, thick, and medially sparse eyebrows, long eyelashes, lateral upper eyelids swelling and a skin fold partially covering the inferior eyelids, low-set posteriorly rotated protruding ears, anteverted nares, and a full lower lip. Brain imaging shows partial to almost complete agenesis of the corpus callosum and variable degrees of cerebellar hypoplasia.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn","SourceID__c":"ORPHA:466688","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014787","ORPHANET_ID__c":"ORPHA:466688","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de discapacidad intelectual grave-agenesia del cuerpo calloso-dismorfia facial-ataxia cerebelosa","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"síndrome de discapacidad intelectual grave-agenesia del cuerpo calloso-dismorfia facial-ataxia cerebelosa","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":"A rare genetic neurological disorder characterized by congenital microcephaly, severe intellectual disability, hypertonia at birth lessening with age, ataxia, and specific dysmorphic facial features including hirsutism, low anterior hairline and bitemporal narrowing, arched, thick, and medially sparse eyebrows, long eyelashes, lateral upper eyelids swelling and a skin fold partially covering the inferior eyelids, low-set posteriorly rotated protruding ears, anteverted nares, and a full lower lip. Brain imaging shows partial to almost complete agenesis of the corpus callosum and variable degrees of cerebellar hypoplasia.","Curated_Disease_Description_Source__c":"ORPHA:466688","GARD_Synonym__c":"birk-flusser syndrome; ccafca; corpus callosum, agenesis of, with facial anomalies and cerebellar ataxia; severe intellectual disability, agenesis of corpus callosum, facial dysmorphism, cerebellar ataxia syndrome","Name":"Severe intellectual disability-corpus callosum agenesis-facial dysmorphism-cereb","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"National Organization of Disorders of the Corpus Callosum","Website__c":"https://nodcc.org/"}],"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":"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:466688"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=902346","Source__c":"C4225193","Xref__c":"MEDGEN:902346"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4225193","Source__c":"C4225193","Xref__c":"C4225193"},{"URL__c":"https://www.omim.org/entry/616819","Source__c":"C4225193; MONDO:0014787; ORPHA:466688","Xref__c":"OMIM:616819"},{"URL__c":"https://www.orpha.net/en/disease/detail/466688","Source__c":"C4225193; MONDO:0014787; ORPHA:466688","Xref__c":"ORPHA:466688"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014787","Source__c":"GARD:0017824","Xref__c":"MONDO:0014787"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1208727002","Source__c":"C4225193","Xref__c":"1208727002"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"FRMD4A","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002470","HPO_Name__c":"Nonprogressive cerebellar ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Head circumference below 2 standard deviations below the mean for age and sex at birth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011451","HPO_Synonym__c":"Congenital decreased head circumference; Congenital microcephaly; Congenital small skull; Decreased head circumference present at birth; Microcephaly present at birth; Small cranium present at birth","HPO_Name__c":"Primary microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","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":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","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:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000463","HPO_Synonym__c":"Anteverted nose; Anteverted nostrils; Nasal tip, upturned; Nostrils anteverted; Upturned nares; Upturned nasal tip; Upturned nose; Upturned nostrils","HPO_Name__c":"Anteverted nares","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002509","HPO_Synonym__c":"Appendicular hypertonia; Increased muscle tone of arm or leg","HPO_Name__c":"Limb hypertonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","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:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the vermis of cerebellum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001320","HPO_Synonym__c":"Cerebellar vermal hypoplasia; Hypoplasia of the cerebellar vermis; Hypoplastic cerebellar vermis","HPO_Name__c":"Cerebellar vermis hypoplasia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Distance between the hairline (trichion) and the glabella (the most prominent point on the frontal bone above the root of the nose), in the midline, more than two SD below the mean. Alternatively, an apparently decreased distance between the hairline and the glabella.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000294","HPO_Synonym__c":"Low frontal hairline; Low-set frontal hairline","HPO_Name__c":"Low anterior hairline","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002465","HPO_Synonym__c":"Poor speech","HPO_Name__c":"Poor speech","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Mid upper eyelash length >10 mm or increased length of the eyelashes (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000527","HPO_Synonym__c":"Ciliary trichomegaly; Eyelash trichomegaly; Increased length of eyelashes; Long eyelashes; Unusually long eyelashes","HPO_Name__c":"Long eyelashes","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","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:466688","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:466688","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:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased height of the central portion of the eyebrow, forming a crescent, semicircular, or inverted U shape.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002553","HPO_Synonym__c":"Arched eyebrows; Broad, arched eyebrows; High, rounded eyebrows; High-arched eyebrows; Highly arched eyebrow; Thick, flared eyebrows","HPO_Name__c":"Highly arched eyebrow","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A deficiency or slowing down of growth pre- and postnatally.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001510","HPO_Synonym__c":"Delayed growth; Growth deficiency; Growth delay; Growth failure; Growth retardation; Poor growth; Retarded growth","HPO_Name__c":"Growth delay","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A type of abnormal location of the ears in which the position of the ears is characterized by posterior rotation (the superior part of the ears is rotated towards the back of the head, and the inferior part of the ears towards the front).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000358","HPO_Synonym__c":"Ear, posterior angulation, increased; Ears rotated toward back of head; Posteriorly angulated ears; Posteriorly rotated; Posteriorly rotated auricles; Posteriorly-angulated ears; Posteriorly-rotated ears","HPO_Name__c":"Posteriorly rotated ears","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Edema in the region of the eyelids.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100540","HPO_Synonym__c":"Edema of the eyelids; Eyelid edema; Fullness of eyelids; Puffy eyelids; Puffy lids; Swelling of eyelids","HPO_Name__c":"Palpebral edema","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Width of the forehead or distance between the frontotemporales is more than two standard deviations below the mean (objective); or apparently narrow intertemporal region (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000341","HPO_Synonym__c":"Bitemporal narrowing; Bitemporal narrowness; Bitemporal skull narrowing; Decreased width of the forehead; Intertemporal narrowing; Narrow bitemporal diameter; Narrow bitemporal width; Narrow forehead; Temporal narrowness","HPO_Name__c":"Narrow forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormally increased hair growth referring to a male pattern of body hair (androgenic hair).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001007","HPO_Synonym__c":"Excessive hairiness","HPO_Name__c":"Hirsutism","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased thickness of the lower lip, leading to a prominent appearance of the lower lip. The height of the vermilion of the lower lip in the midline is more than 2 SD above the mean. Alternatively, an apparently increased height of the vermilion of the lower lip in the frontal view (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000179","HPO_Synonym__c":"Full lower lip vermilion; Increased height of lower lip vermilion; Increased volume of lower lip; Increased volume of lower lip vermilion; Plump lower lip; Prominent lower lip; Thick vermilion border of lower lip","HPO_Name__c":"Thick lower lip vermilion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:466688","HPO_Frequency__c":"Frequent (30-79%)","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:466688","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased density/number and/or increased diameter of eyebrow hairs.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000574","HPO_Synonym__c":"Bushy eyebrows; Dense eyebrow; Heavy eyebrows; Hypertrichosis of the eyebrow; Prominent eyebrows; Thick eyebrow; Thick eyebrows","HPO_Name__c":"Thick eyebrow","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":["birk-flusser syndrome"," ccafca"," corpus callosum, agenesis of, with facial anomalies and cerebellar ataxia"," severe intellectual disability, agenesis of corpus callosum, facial dysmorphism, cerebellar ataxia syndrome"]}