{"Name":"Olivopontocerebellar atrophy-deafness syndrome","DiseaseID__c":"GARD:0004070","id":4070,"encodedName":"olivopontocerebellar-atrophy-deafness-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Olivopontocerebellar atrophy-deafness syndrome","Xref_IDs__c":"C4275113; MEDGEN:905095; MONDO:0017135; ORPHA:2732","USA_Estimate__c":null,"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":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:0017135","Disease_Description__c":"Olivopontocerebellar atrophy-deafness syndrome is characterised by infancy-onset olivopontocerebellar atrophy, sensorineural deafness and speech impairment. It has been described in less than 15 children. Most cases were sporadic, but autosomal recessive inheritance was suggested in three cases.","GARD_Name__c":"Olivopontocerebellar atrophy-deafness syndrome","GARD_Synonym__c":"olivopontocerebellar atrophy and deafness; olivopontocerebellar atrophy co-occurrent with sensorineural hearing loss; olivopontocerebellar atrophy-hearing loss syndrome","Curated_Disease_Description_Source__c":"MONDO:0017135","Curated_Disease_Description__c":"Olivopontocerebellar atrophy-deafness syndrome is characterised by infancy-onset olivopontocerebellar atrophy, sensorineural deafness and speech impairment. It has been described in less than 15 children. Most cases were sporadic, but autosomal recessive inheritance was suggested in three cases.","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:2732","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0017135","ORPHANET_ID__c":"ORPHA:2732","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de atrofia olivopontocerebelosa-sordera","Spanish_Description_Source__c":"ORPHA:2732","Spanish_Description__c":"Es un síndrome caracterizado por atrofia olivopontocerebelosa de inicio en la infancia, sordera neurosensorial y afectación del habla. Se ha descrito en menos de 15 niños. La mayoría de los casos fueron esporádicos, pero en tres casos se sugirió una herencia autosómica recesiva.","Spanish_Disease_Name__c":"síndrome de atrofia olivopontocerebelosa-sordera","Spanish_GARD_Synonym__c":"síndrome de atrofia olivopontocerebelosa-hipoacusia","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":"Olivopontocerebellar atrophy-deafness syndrome is characterised by infancy-onset olivopontocerebellar atrophy, sensorineural deafness and speech impairment. It has been described in less than 15 children. Most cases were sporadic, but autosomal recessive inheritance was suggested in three cases.","Curated_Disease_Description_Source__c":"MONDO:0017135","GARD_Synonym__c":"olivopontocerebellar atrophy and deafness; olivopontocerebellar atrophy co-occurrent with sensorineural hearing loss; olivopontocerebellar atrophy-hearing loss syndrome","Name":"Olivopontocerebellar atrophy-deafness syndrome","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"National Ataxia Foundation","Website__c":"https://ataxia.org/"},{"Account_Name__c":"Ataxia UK","Website__c":"https://www.ataxia.org.uk/"}],"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":"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":"Otolaryngology","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:2732"},{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:2732"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C4275113","Source__c":"C4275113","Xref__c":"C4275113"},{"URL__c":"https://www.orpha.net/en/disease/detail/2732","Source__c":"C4275113; MONDO:0017135; ORPHA:2732","Xref__c":"ORPHA:2732"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=905095","Source__c":"C4275113","Xref__c":"MEDGEN:905095"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=715483009","Source__c":"C4275113","Xref__c":"715483009"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0017135","Source__c":"GARD:0004070","Xref__c":"MONDO:0017135"}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence of a region of the retina, retinal pigment epithelium, and choroid.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000567","HPO_Synonym__c":"Birth defect that causes a hole in the innermost layer at the back of the eye; Choroidoretinal coloboma","HPO_Name__c":"Chorioretinal coloboma","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Neuronal degeneration in the cerebellum, pontine nuclei, and inferior olivary nucleus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002542","HPO_Synonym__c":"Olivopontocerebellar degeneration","HPO_Name__c":"Olivopontocerebellar atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Occasional (5-29%)","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:2732","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:2732","HPO_Frequency__c":"Very frequent (80-99%)","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:2732","HPO_Frequency__c":"Very frequent (80-99%)","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:2732","HPO_Frequency__c":"Occasional (5-29%)","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:2732","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A decreased magnitude of the sensory perception of sound.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000365","HPO_Synonym__c":"Deafness; Hearing defect; Hearing impairment; Hypacusis","HPO_Name__c":"Hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Very frequent (80-99%)","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:2732","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality in the sound (volume) or cadence (rate) of speech.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002167","HPO_Synonym__c":"Abnormal speech; Abnormal vocalization; Abnormality of speech or vocalization","HPO_Name__c":"Abnormal speech pattern","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrophy of the optic nerve. Optic atrophy results from the death of the retinal ganglion cell axons that comprise the optic nerve and manifesting as a pale optic nerve on fundoscopy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000648","HPO_Synonym__c":"Optic nerve atrophy; Optic-nerve degeneration","HPO_Name__c":"Optic atrophy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000639","HPO_Synonym__c":"Involuntary, rapid, rhythmic eye movements","HPO_Name__c":"Nystagmus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Ataxia refers to impaired coordination of voluntary muscle movement. 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).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001251","HPO_Synonym__c":"Cerebellar ataxia","HPO_Name__c":"Ataxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:2732","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormality observed by electroencephalogram (EEG), which is used to record of the brain's spontaneous electrical activity from multiple electrodes placed on the scalp.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002353","HPO_Synonym__c":"Abnormal EEG; Abnormal electroencephalogram; EEG abnormalities; Electroencephalogram abnormal; Electroencephalogram abnormalities","HPO_Name__c":"EEG abnormality","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Procedure_EEG"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Congenital Abnormality"],"Specialist":["Genetics","Otolaryngology","Pediatrics"]},"synonyms":["olivopontocerebellar atrophy and deafness"," olivopontocerebellar atrophy co-occurrent with sensorineural hearing loss"," olivopontocerebellar atrophy-hearing loss syndrome"]}