{"Name":"Acrocallosal syndrome","DiseaseID__c":"GARD:0005721","id":5721,"encodedName":"acrocallosal-syndrome","IsDeleted":false,"Disease_Name_Full__c":"Acrocallosal syndrome","Xref_IDs__c":"715951007; C0796147; C84531; D055673; DOID:9250; MEDGEN:162915; MONDO:0008708; OMIM:200990; ORPHA:36","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":5,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":1,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":1,"No_of_Disease_Descriptions__c":4,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0008708","Disease_Description__c":"A rare polymalformative syndrome characterized by agenesis of corpus callosum (CC), distal anomalies of limbs, minor craniofacial anomalies and intellectual disability.","GARD_Name__c":"Acrocallosal syndrome","GARD_Synonym__c":"absence of corpus callosum with unusual facial appearance, mental deficiency, duplication of the halluces and polydactyly; acls; acs; hallux duplication, postaxial polydactyly, and absence of corpus callosum; kif7-related joubert syndrome; schinzel acrocallosal syndrome; schinzel syndrome 1","Curated_Disease_Description_Source__c":"MONDO:0008708","Curated_Disease_Description__c":"Acrocallosal syndrome is a rare condition characterized by a brain abnormality called agenesis of the corpus callosum, the presence of extra fingers and toes (polydactyly), and distinctive facial features. The signs and symptoms of this disorder are present at birth, and their severity varies widely among affected individuals. Agenesis of the corpus callosum occurs when the tissue that connects the left and right halves of the brain (the corpus callosum) fails to form normally during the early stages of development before birth. Other brain abnormalities, including the growth of large cysts in brain tissue, have also been reported in people with acrocallosal syndrome. The changes in brain structure associated with this condition lead to delayed development and intellectual disability, which is most often moderate to severe. Some affected individuals also experience seizures. Extra fingers and toes are common in people with acrocallosal syndrome. The extra digits can be on the same side of the  hand or foot as the pinky or little toe (postaxial polydactyly) or on the same side as the thumb or great toe (preaxial polydactyly). Some affected individuals also have webbed or fused skin between the fingers or toes (syndactyly). Distinctive facial features that can occur with acrocallosal syndrome include widely spaced eyes (hypertelorism) and a high, prominent forehead. Many affected individuals also have an unusually large head size (macrocephaly).","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:36","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0008708","ORPHANET_ID__c":"ORPHA:36","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome acrocalloso","Spanish_Description_Source__c":"ORPHA:36","Spanish_Description__c":"Es un síndrome polimalformativo poco frecuente caracterizado por agenesia del cuerpo calloso (CC), anomalías distales de las extremidades, anomalías craneofaciales menores y discapacidad intelectual.","Spanish_Disease_Name__c":"síndrome acrocalloso","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":"Acrocallosal syndrome is a rare condition characterized by a brain abnormality called agenesis of the corpus callosum, the presence of extra fingers and toes (polydactyly), and distinctive facial features. The signs and symptoms of this disorder are present at birth, and their severity varies widely among affected individuals. Agenesis of the corpus callosum occurs when the tissue that connects the left and right halves of the brain (the corpus callosum) fails to form normally during the early stages of development before birth. Other brain abnormalities, including the growth of large cysts in brain tissue, have also been reported in people with acrocallosal syndrome. The changes in brain structure associated with this condition lead to delayed development and intellectual disability, which is most often moderate to severe. Some affected individuals also experience seizures. Extra fingers and toes are common in people with acrocallosal syndrome. The extra digits can be on the same side of the  hand or foot as the pinky or little toe (postaxial polydactyly) or on the same side as the thumb or great toe (preaxial polydactyly). Some affected individuals also have webbed or fused skin between the fingers or toes (syndactyly). Distinctive facial features that can occur with acrocallosal syndrome include widely spaced eyes (hypertelorism) and a high, prominent forehead. Many affected individuals also have an unusually large head size (macrocephaly).","Curated_Disease_Description_Source__c":"MONDO:0008708","GARD_Synonym__c":"absence of corpus callosum with unusual facial appearance, mental deficiency, duplication of the halluces and polydactyly; acls; acs; hallux duplication, postaxial polydactyly, and absence of corpus callosum; kif7-related joubert syndrome; schinzel acrocallosal syndrome; schinzel syndrome 1","Name":"Acrocallosal syndrome","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":"Orthopedics","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Craniofacial Anomalies","Tag_Category__c":"Account","curated_tag_name":"Craniofacial anomalies"},{"Tag_Name__c":"Congenital limb malformation","Tag_Category__c":"Account","curated_tag_name":"Limb anomalies"},{"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:36"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:36"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C0796147"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0005721","Source__c":"RareSource"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C84531","Source__c":"C0796147; MONDO:0008708","Xref__c":"C84531"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A9250","Source__c":"MONDO:0008708","Xref__c":"DOID:9250"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=162915","Source__c":"C0796147","Xref__c":"MEDGEN:162915"},{"URL__c":"https://www.orpha.net/en/disease/detail/36","Source__c":"C0796147; MONDO:0008708; ORPHA:36","Xref__c":"ORPHA:36"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C055673","Source__c":"C0796147; MONDO:0008708","Xref__c":"D055673"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=715951007","Source__c":"C0796147; MONDO:0008708","Xref__c":"715951007"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0796147","Source__c":"C0796147","Xref__c":"C0796147"},{"URL__c":"https://www.omim.org/entry/200990","Source__c":"C0796147; MONDO:0008708; ORPHA:36","Xref__c":"OMIM:200990"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0008708","Source__c":"GARD:0005721","Xref__c":"MONDO:0008708"},{"URL__c":"https://medlineplus.gov/genetics/condition/acrocallosal-syndrome","Source__c":"GARD:0005721","Xref__c":"https://medlineplus.gov/genetics/condition/acrocallosal-syndrome"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"KIF7","GHR_URL__c":"https://medlineplus.gov/genetics/gene/kif7","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Any abnormality of the clavicles (collar bones).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000889","HPO_Synonym__c":"Abnormal clavicles; Abnormal collarbone; Abnormality of the clavicle","HPO_Name__c":"Abnormal clavicle morphology","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A congenital brain malformation typically characterized by incomplete formation of the cerebellar vermis, dilation of the fourth ventricle, and enlargement of the posterior fossa. In layman's terms, Dandy Walker malformation is a cyst in the cerebellum (typically symmetrical) that is involved with the fourth ventricle. This may interfere with the ability to drain cerebrospinal fluid from the brain, resulting in hydrocephalus. Dandy Walker cysts are formed during early embryonic development, while the brain forms. The cyst in the cerebellum typically has several blood vessels running through it connecting to the brain, thereby prohibiting surgical removal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001305","HPO_Synonym__c":"Dandy-walker anomaly; Dandy-Walker cyst","HPO_Name__c":"Dandy-Walker malformation","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A height above that which is expected according to age and sex norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000098","HPO_Synonym__c":"Accelerated linear growth; Increased body height; Increased linear growth; Tall stature","HPO_Name__c":"Tall stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased convexity of the occiput (posterior part of the skull).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000269","HPO_Synonym__c":"Prominent back of the skull; Prominent posterior cranium; Prominent posterior skull; Protruding occiput","HPO_Name__c":"Prominent occiput","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","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:36","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A thumb with three phalanges in a single, proximo-distal axis. Thus, this term applies if the thumb has an accessory phalanx, leading to a digit like appearance of the thumb.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001199","HPO_Synonym__c":"Accessory phalanx of the thumb; Digitalized thumb; Finger-like thumb; Triphalangeal thumbs; Triphalangy of thumb","HPO_Name__c":"Triphalangeal thumb","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","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:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of a hernia of the diaphragm present at birth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000776","HPO_Synonym__c":"Diaphragmatic hernia","HPO_Name__c":"Congenital diaphragmatic hernia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","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:36","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Inclination of the anterior surface of the forehead from the vertical more than two standard deviations above the mean (objective); or apparently excessive posterior sloping of the forehead in a lateral view.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000340","HPO_Synonym__c":"Inclined forehead; Posteriorly sloping forehead; Receding forehead; Sloping forehead","HPO_Name__c":"Sloping forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Supernumerary digits located at the ulnar side of the hand (that is, on the side with the fifth finger).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001162","HPO_Synonym__c":"Extra little finger; Extra pinkie finger; Extra pinky finger; Polydactyly affecting the 5th finger; Postaxial polydactyly of fingers; Postaxial polydactyly of hand; Postaxial polydactyly of hands","HPO_Name__c":"Postaxial hand polydactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Interpupillary distance more than 2 SD above the mean (alternatively, the appearance of an increased interpupillary distance or widely spaced eyes).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000316","HPO_Synonym__c":"Excessive orbital separation; Increased distance between eye sockets; Increased distance between eyes; Increased interpupillary distance; Ocular hypertelorism; Wide-set eyes; Widely spaced eyes; Widened interpupillary distance","HPO_Name__c":"Hypertelorism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Protrusion of the contents of the abdominal cavity through the inguinal canal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000023","HPO_Name__c":"Inguinal hernia","Feature_System__c":"Musculoskeletal System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Occipitofrontal (head) circumference greater than 97th centile compared to appropriate, age matched, sex-matched normal standards. Alternatively, a apparently increased size of the cranium.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000256","HPO_Synonym__c":"Increased size of cranium; Increased size of skull; Large head; Large head circumference; Macrocephalus; Macrocrania; Megacephaly","HPO_Name__c":"Macrocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Enlargement of the anterior fontanelle with respect to age-dependent norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000260","HPO_Synonym__c":"Large anterior fontanel; Large anterior fontanelle; Large open anterior fontanel; Large open anterior fontanelle; Wide anterior fontanelle; Wide open anterior fontanelle; Wider-than-typical soft spot of skull","HPO_Name__c":"Wide anterior fontanel","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal position of urethral meatus on the ventral penile shaft (underside) characterized by displacement of the urethral meatus from the tip of the glans penis to the ventral surface of the penis, scrotum, or perineum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000047","HPO_Synonym__c":"Hypospadia","HPO_Name__c":"Hypospadias","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Testis in inguinal canal. That is, absence of one or both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000028","HPO_Synonym__c":"Cryptorchism; Undescended testes; Undescended testis","HPO_Name__c":"Cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:36","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence or underdevelopment of the corpus callosum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007370","HPO_Synonym__c":"Absent/hypoplastic corpus callosum; Agenesis/hypoplastic corpus callosum; Complete or partial absence of the corpus callosum; Hypoplasia or absence of the corpus callosum; Hypoplastic or absent corpus callosum","HPO_Name__c":"Aplasia/Hypoplasia of the corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Orthopedics","Neurodevelopmental disabilities","Pediatrics"],"Account":["Craniofacial Anomalies","Congenital limb malformation"]},"synonyms":["absence of corpus callosum with unusual facial appearance, mental deficiency, duplication of the halluces and polydactyly"," acls"," acs"," hallux duplication, postaxial polydactyly, and absence of corpus callosum"," kif7-related joubert syndrome"," schinzel acrocallosal syndrome"," schinzel syndrome 1"]}