{"Name":"Autosomal recessive spinocerebellar ataxia 20","DiseaseID__c":"GARD:0017636","id":17636,"encodedName":"autosomal-recessive-spinocerebellar-ataxia-20","IsDeleted":false,"Disease_Name_Full__c":"Autosomal recessive spinocerebellar ataxia 20","Xref_IDs__c":"C5190595; DOID:0080066; MEDGEN:1684324; MONDO:0014601; OMIM:616354; ORPHA:397709","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":4,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":1,"Description_Source__c":"MONDO:0014601","Disease_Description__c":"Any autosomal recessive cerebellar ataxia in which the cause of the disease is a mutation in the SNX14 gene.","GARD_Name__c":"Autosomal recessive spinocerebellar ataxia 20","GARD_Synonym__c":"autosomal recessive cerebellar ataxia caused by mutation in snx14; autosomal recessive spinocerebellar ataxia type 20; intellectual disability-coarse face-macrocephaly-cerebellar hypoplasia syndrome; intellectual disability-coarse face-macrocephaly-cerebellar hypotrophy syndrome; intellectual disability, coarse face, macrocephaly, cerebellar hypotrophy syndrome; scar20; scar20 - autosomal recessive spinocerebellar ataxia type 20; snx14 autosomal recessive cerebellar ataxia; spinocerebellar ataxia, autosomal recessive type 20","Curated_Disease_Description_Source__c":"ORPHA:397709","Curated_Disease_Description__c":"Intellectual disability-coarse face-macrocephaly-cerebellar hypotrophy syndrome is a rare, genetic, central nervous system malformation syndrome characterized by early-onset, progressive, severe cerebellar ataxia associated with progressive, moderate to severe intellectual disability, global developmental delay, progressively coarsening facial features, relative macrocephaly and absence of seizures. Sensorineural hearing loss may be associated. Neuroimaging reveals cerebellar atrophy/hypoplasia.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as an Infant","SourceID__c":"ORPHA:397709","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0014601","ORPHANET_ID__c":"ORPHA:397709","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de discapacidad intelectual-cara tosca-macrocefalia-hipotrofia cerebelosa","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"síndrome de discapacidad intelectual-cara tosca-macrocefalia-hipotrofia cerebelosa","Spanish_GARD_Synonym__c":"ataxia espinocerebelosa autosómica recesiva tipo 20; scar20; síndrome de discapacidad intelectual-cara tosca-macrocefalia-hipoplasia cerebelosa","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":"Intellectual disability-coarse face-macrocephaly-cerebellar hypotrophy syndrome is a rare, genetic, central nervous system malformation syndrome characterized by early-onset, progressive, severe cerebellar ataxia associated with progressive, moderate to severe intellectual disability, global developmental delay, progressively coarsening facial features, relative macrocephaly and absence of seizures. Sensorineural hearing loss may be associated. Neuroimaging reveals cerebellar atrophy/hypoplasia.","Curated_Disease_Description_Source__c":"ORPHA:397709","GARD_Synonym__c":"autosomal recessive cerebellar ataxia caused by mutation in snx14; autosomal recessive spinocerebellar ataxia type 20; intellectual disability-coarse face-macrocephaly-cerebellar hypoplasia syndrome; intellectual disability-coarse face-macrocephaly-cerebellar hypotrophy syndrome; intellectual disability, coarse face, macrocephaly, cerebellar hypotrophy syndrome; scar20; scar20 - autosomal recessive spinocerebellar ataxia type 20; snx14 autosomal recessive cerebellar ataxia; spinocerebellar ataxia, autosomal recessive type 20","Name":"Autosomal recessive spinocerebellar ataxia 20","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"National Ataxia Foundation","Website__c":"https://ataxia.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":"Infancy","Provided_By__c":"ORPHA:397709"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0080066","Source__c":"MONDO:0014601","Xref__c":"DOID:0080066"},{"URL__c":"https://www.omim.org/entry/616354","Source__c":"C5190595; MONDO:0014601; ORPHA:397709","Xref__c":"OMIM:616354"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5190595","Source__c":"C5190595","Xref__c":"C5190595"},{"URL__c":"https://www.orpha.net/en/disease/detail/397709","Source__c":"C5190595; MONDO:0014601; ORPHA:397709","Xref__c":"ORPHA:397709"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1684324","Source__c":"C5190595","Xref__c":"MEDGEN:1684324"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=782753000","Source__c":"C5190595","Xref__c":"782753000"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0014601","Source__c":"GARD:0017636","Xref__c":"MONDO:0014601"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"SNX14","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012385","HPO_Synonym__c":"Permanent flexion of the finger or toe","HPO_Name__c":"Camptodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000218","HPO_Synonym__c":"Elevated palate; High arched palate; High palate; High, arched palate; High-arched palate; Increased palatal height; Palate high-arched; Palate, high-arched","HPO_Name__c":"High palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased urinary excretion of oligosaccharides (low molecular weight carbohydrate chains composed of at least three monosaccharide subunits), derived from a partial degradation of glycoproteins.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010471","HPO_Name__c":"Oligosacchariduria","HPO_Feature_Type__c":"Lab"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A marked tapering of the lower face to the chin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000307","HPO_Synonym__c":"Pointed chin; Pointed mention region; Pointy chin; Small pointed chin; Witch's chin","HPO_Name__c":"Pointed chin","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Simultaneous enlargement of the liver and spleen.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001433","HPO_Synonym__c":"Enlarged liver and spleen","HPO_Name__c":"Hepatosplenomegaly","Feature_System__c":"Cardiovascular System; Immune System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Excessive, increased hair growth located in the facial region.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002219","HPO_Synonym__c":"Increased facial hair growth","HPO_Name__c":"Facial hypertrichosis","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased distance between the attachments of the alae nasi to the face.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012810","HPO_Synonym__c":"Broad base of nose; Broad nasal base; Increased width of base of nose; Increased width of nasal base; Wide base of nose; Wide nasal base","HPO_Name__c":"Wide nasal base","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduction of neurologic reflexes such as the knee-jerk reaction.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001265","HPO_Synonym__c":"Decreased reflex response; Decreased reflexes","HPO_Name__c":"Hyporeflexia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A deformity of the chest caused by overgrowth of the ribs and characterized by protrusion of the sternum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000768","HPO_Synonym__c":"Pigeon chest","HPO_Name__c":"Pectus carinatum","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased breadth of the nasal bridge (and with it, the nasal root).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000431","HPO_Synonym__c":"Broad nasal bridge; Broad nasal root; Broadened nasal bridge; Increased breadth of bridge of nose; Increased breadth of nasal bridge; Increased width of bridge of nose; Increased width of nasal bridge; Nasal bridge broad; Nasal bridge, wide; Wide bridge of nose; Wide nasal bridge; Widened nasal bridge","HPO_Name__c":"Wide nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A defect in the understanding of complex motor commands and in the execution of certain learned movements, i.e., deficits in the cognitive components of learned movements.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002186","HPO_Name__c":"Apraxia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Accentuated, prominent philtral ridges giving rise to an exaggerated groove in the midline between the nasal base and upper vermillion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002002","HPO_Synonym__c":"Increased depth of philtrum; Philtrum, deep; Prominent philtrum; Pronounced philtrum","HPO_Name__c":"Deep philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001252","HPO_Synonym__c":"Low muscle tone; Low or weak muscle tone; Muscle hypotonia; Muscular hypotonia","HPO_Name__c":"Hypotonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001156","HPO_Synonym__c":"Brachydactyly syndrome; Short fingers or toes","HPO_Name__c":"Brachydactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Posterior positioning of the nasal root in relation to the overall facial profile for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005280","HPO_Synonym__c":"Depressed bridge of nose; Depressed nasal bridge; Depressed nasal root; Flat bridge of nose; Flat nasal bridge; Flat nasal root; Flat, nasal bridge; Flattened nasal bridge; Low nasal bridge; Low nasal root; Retruded bridge of nose; Retruded nasal bridge","HPO_Name__c":"Depressed nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased length and width of the tongue.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000158","HPO_Synonym__c":"Abnormally large tongue; Hyperplasia of the tongue; Hypertrophy of the tongue; Increased size of tongue; Large tongue; Tongue hypertrophy","HPO_Name__c":"Macroglossia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the pons.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012110","HPO_Synonym__c":"Pontine hypoplasia","HPO_Name__c":"Hypoplasia of the pons","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Alternatively, an apparently increased distance between nasal base and midline upper lip vermilion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000343","HPO_Synonym__c":"Elongated philtrum; Increased height of philtrum; Increased length of philtrum; Increased vertical dimension of philtrum; Vertical hyperplasia of philtrum","HPO_Name__c":"Long philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Talipes equinovarus (also called clubfoot) typically has four main components: inversion and adduction of the forefoot; inversion of the heel and hindfoot; equinus (limitation of extension) of the ankle and subtalar joint; and internal rotation of the leg.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001762","HPO_Synonym__c":"Club feet; Club foot; Clubbing of feet; Clubfeet; Clubfoot; Equinovarus; Foot, talipes equinovarus; Pes equinovarus; Pes equinus","HPO_Name__c":"Talipes equinovarus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of an abnormally thick calvaria.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002684","HPO_Synonym__c":"Calvarial thickening; Calvarium thickened; Increased calvarial thickness; Increased thickness of calvaria; Increased thickness of calvarium; Increased thickness of cranial vault; Increased thickness of skull cap; Thick calvaria; Thick calvarium; Thickened calvarium; Thickened cranial vault; Thickened cranium; Thickened skull cap; Thickening of the calvaria","HPO_Name__c":"Thickened calvaria","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of motor delay characterized by a delay in acquiring the ability to control the fingers and hands.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010862","HPO_Name__c":"Delayed fine motor development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased prominence or roundness of soft tissues between zygomata and mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000293","HPO_Synonym__c":"Apple cheeks; Big cheeks; Full cheeks; Increased size of cheeks; Large cheeks","HPO_Name__c":"Full cheeks","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of fine and sharp appearance of brows, nose, lips, mouth, and chin, usually because of rounded and heavy features or thickened skin with or without thickening of subcutaneous and bony tissues.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000280","HPO_Synonym__c":"Coarse face; Coarse facial appearance; Coarse facial features; Coarse facies","HPO_Name__c":"Coarse facial features","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A relatively mild degree of macrocephaly in which the head circumference is not above two standard deviations from the mean, but appears dysproportionately large when other factors such as body stature are taken into account.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004482","HPO_Synonym__c":"Disproportionately large head; Macrocephaly, relative; Relatively large head","HPO_Name__c":"Relative macrocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An angulation of a digit at an interphalangeal joint in the plane of the palm (finger) or sole (toe).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030084","HPO_Synonym__c":"Permanent curving of the finger","HPO_Name__c":"Clinodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"In utero, the ductus arteriosus (DA) serves to divert ventricular output away from the lungs and toward the placenta by connecting the main pulmonary artery to the descending aorta. A patent ductus arteriosus (PDA) in the first 3 days of life is a physiologic shunt in healthy term and preterm newborn infants, and normally is substantially closed within about 24 hours after bith and completely closed after about three weeks. Failure of physiologcal closure is referred to a persistent or patent ductus arteriosus (PDA). Depending on the degree of left-to-right shunting, PDA can have clinical consequences.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001643","HPO_Synonym__c":"Ductus arteriosus; Patent ductus Botalli; PDA; Persistent arterial duct; Persistent ductus arteriosus","HPO_Name__c":"Patent ductus arteriosus","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Bilateral bulging of the lateral frontal bone prominences with relative sparing of the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002007","HPO_Synonym__c":"Frontal protuberance; Skull bossing","HPO_Name__c":"Frontal bossing","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Persistent deficits in social interaction and communication and interaction as well as a markedly restricted repertoire of activity and interest as well as repetitive patterns of behavior.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000729","HPO_Synonym__c":"ASD; Pervasive developmental disorder","HPO_Name__c":"Autistic behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Distance between the inner canthi more than two standard deviations above the mean (objective); or, apparently increased distance between the inner canthi.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000506","HPO_Synonym__c":"Corners of eye widely separated; Dystopia canthorum; Increased distance between medial canthi; Increased intercanthal distance","HPO_Name__c":"Telecanthus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007360","HPO_Synonym__c":"Absent/small cerebellum; Absent/underdeveloped cerebellum; Atrophy/Degeneration affecting the cerebellum; Atrophy/Hypoplasia of the cerebellum; Cerebellar hypoplasia/atrophy","HPO_Name__c":"Aplasia/Hypoplasia of the cerebellum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Distance between the philtral ridges, measured just above the vermilion border, more than 2 standard deviations above the mean, or alternatively, an apparently increased distance between the ridges of the philtrum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000289","HPO_Synonym__c":"Increased breadth of philtrum; Increased horizontal dimension of philtrum; Increased transverse dimension of philtrum; Increased width of philtrum; Wide philtrum","HPO_Name__c":"Broad philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the form, structure, or size of the skeletal system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011842","HPO_Synonym__c":"Abnormality of skeletal morphology; Abnormally shaped skeletal","HPO_Name__c":"Abnormal skeletal morphology","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Distance between the medial and lateral canthi is more than 2 SD below the mean for age (objective); or, apparently reduced length of the palpebral fissures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012745","HPO_Synonym__c":"Decreased height of palpebral fissure; Short opening between the eyelids; Short palpebral fissures","HPO_Name__c":"Short palpebral fissure","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","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":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal curvature of the spine in both a coronal (lateral) and sagittal (back-to-front) plane.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002751","HPO_Name__c":"Kyphoscoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal gait pattern in which persons stand and walk with their feet spaced widely apart. This is often a component of cerebellar ataxia.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002136","HPO_Synonym__c":"Broad based gait; Wide based gait; Wide based walk; Wide-based gait","HPO_Name__c":"Broad-based gait","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Changes in alignment of teeth in the dental arch","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000678","HPO_Synonym__c":"Crowded teeth; Dental crowding; Dental overcrowding; Overcrowding of teeth","HPO_Name__c":"Dental crowding","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A severe 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:0011344","HPO_Synonym__c":"Global developmental delay, severe","HPO_Name__c":"Severe global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006951","HPO_Name__c":"Retrocerebellar cyst","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased width of the skin of vermilion border region of upper lip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012471","HPO_Synonym__c":"Full lips; Increased volume of lip; Increased volume of lip vermillion; Plump lips; Prominent lips; Thick lips","HPO_Name__c":"Thick vermilion border","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of a forehead that is abnormally small.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000350","HPO_Synonym__c":"Decreased size of forehead; Decreased size of frontal region of face; Small forehead","HPO_Name__c":"Small forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrial septal defect (ASD) is a congenital abnormality of the interatrial septum that enables blood flow between the left and right atria via the interatrial septum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001631","HPO_Synonym__c":"An opening in the wall separating the top two chambers of the heart; ASD; Atria septal defect; Atrial septum defect; Atrioseptal defect; Defect in the atrial septum; Hole in heart wall separating two upper heart chambers","HPO_Name__c":"Atrial septal defect","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","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:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A progressive disorder of vertebral joint degeneration that occurs in the setting of any condition characterized by decreased afferent innervation, involving loss of deep pain and proprioceptive sensation in the vertebral column. Patients most commonly present with symptoms of lower back pain, sitting imbalance, progressive spinal deformity (usually kyphosis), and an audible clicking sound on changing postures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008443","HPO_Synonym__c":"Charcot spinal arthropathy; Spinal deformities; Spinal neuroarthropathy","HPO_Name__c":"Neuropathic spinal arthropathy","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the cerebral white matter.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002500","HPO_Synonym__c":"Abnormality of subcortical white matter; Abnormality of the cerebral white matter; Cerebral white matter abnormalities; Leukoaraiosis; White matter abnormalities; White matter alterations","HPO_Name__c":"Abnormal cerebral white matter morphology","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:397709","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of motor delay characterized by a delay in acquiring the ability to control the large muscles of the body for walking, running, sitting, and crawling.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002194","HPO_Synonym__c":"Delayed attainment of gross motor milestones; Delayed attainment of gross motor skills; Delayed development of gross motor milestones; Delayed development of gross motor skills; Delayed gross motor milestones; Delayed gross motor skills; Delayed motor skills; Developmental delay, gross motor; Gross motor delay; Limited gross motor development; Limited gross motor skills","HPO_Name__c":"Delayed gross motor development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":["autosomal recessive cerebellar ataxia caused by mutation in snx14"," autosomal recessive spinocerebellar ataxia type 20"," intellectual disability-coarse face-macrocephaly-cerebellar hypoplasia syndrome"," intellectual disability-coarse face-macrocephaly-cerebellar hypotrophy syndrome"," intellectual disability, coarse face, macrocephaly, cerebellar hypotrophy syndrome"," scar20"," scar20 - autosomal recessive spinocerebellar ataxia type 20"," snx14 autosomal recessive cerebellar ataxia"," spinocerebellar ataxia, autosomal recessive type 20"]}