{"Name":"Acalvaria","DiseaseID__c":"GARD:0000361","id":361,"encodedName":"acalvaria","IsDeleted":false,"Disease_Name_Full__c":"Acalvaria","Xref_IDs__c":"203923004; C2930936; C535570; MEDGEN:418951; MONDO:0019795; ORPHA:945","USA_Estimate__c":"5,000","No_of_Specialist_Tagsa__c":2,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"8,000 to 80,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":4,"Disease_Characteristics_Score__c":4,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0019795","Disease_Description__c":"A rare congenital malformation characterized by the absence of calvarial bones, dura mater and associated muscles while skull base, facial bones and brain structures are normal. Central nervous system is usually unaffected, however some neuropathological abnormalities such as holoprosencephaly, hydrocephalus, micropolygyria and gyration anomalies can be present. Prenatal diagnosis by ultrasonography is usually confirmed by magnetic resonance imaging as it can be confused with anencephaly or encephalocele.","GARD_Name__c":"Acalvaria","GARD_Synonym__c":"absent bone maturation of skullcap; absent ossification of calvaria; absent ossification of skull vault; acrania; primary acalvaria","Curated_Disease_Description_Source__c":"GARD:0000361","Curated_Disease_Description__c":"Primary Acalvaria is an extremely rare malformation characterized by the absence of the flat skull bones of the brain, dura mater, and scalp muscles. The skull base and facial features are fully formed and usually appear normal. The cause of Acalvaria is still unknown. Acalvaria can be distinguished from anencephaly, the most common differential diagnosis, by the presence of a layer of skin overlying the brain matter and normal cerebral hemispheres.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"5,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:945","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0019795","ORPHANET_ID__c":"ORPHA:945","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Acalvaria","Spanish_Description_Source__c":"ORPHA:945","Spanish_Description__c":"Es una malformación poco frecuente caracterizada por la ausencia del cuero cabelludo y de alguno de los huesos planos de la bóveda craneal. El tamaño del área afectada es variable. En casos muy poco frecuentes la acalota puede afectar a toda la parte superior de la bóveda craneal, incluyendo los huesos frontal, parietal y occipital. En el área afectada también están ausentes la duramadre y los músculos asociados, sin embargo el sistema nervioso central no suele estar afectado, aunque a menudo se presentan diversas anomalías neuropatológicas (Ej.: holoprosencefalia o anomalías en los giros cerebrales). Los huesos de la base del cráneo y la cara son normales.","Spanish_Disease_Name__c":"acalvaria","Spanish_GARD_Synonym__c":"acalvaria primaria","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":"Primary Acalvaria is an extremely rare malformation characterized by the absence of the flat skull bones of the brain, dura mater, and scalp muscles. The skull base and facial features are fully formed and usually appear normal. The cause of Acalvaria is still unknown. Acalvaria can be distinguished from anencephaly, the most common differential diagnosis, by the presence of a layer of skin overlying the brain matter and normal cerebral hemispheres.","Curated_Disease_Description_Source__c":"GARD:0000361","GARD_Synonym__c":"absent bone maturation of skullcap; absent ossification of calvaria; absent ossification of skull vault; acrania; primary acalvaria","Name":"Acalvaria","Curated_USA_Estimate__c":"5,000","estimateUsa":"5,000"}],"GARD_Disease_Tag__c":[{"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":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:945"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:945"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C535570","Source__c":"MONDO:0019795","Xref__c":"C535570"},{"URL__c":"https://www.orpha.net/en/disease/detail/945","Source__c":"C2930936; MONDO:0019795; ORPHA:945","Xref__c":"ORPHA:945"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=418951","Source__c":"C2930936","Xref__c":"MEDGEN:418951"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=203923004","Source__c":"MONDO:0019795","Xref__c":"203923004"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C2930936","Source__c":"C2930936","Xref__c":"C2930936"},{"URL__c":"https://hpo.jax.org/browse/term/HP:0005623","Source__c":"C2930936","Xref__c":"HP:0005623"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0019795","Source__c":"GARD:0000361","Xref__c":"MONDO:0019795"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Holoprosencephaly is a structural anomaly of the brain in which the developing forebrain fails to divide into two separate hemispheres and ventricles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001360","HPO_Synonym__c":"Single brain ventricle","HPO_Name__c":"Holoprosencephaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Frequent (30-79%)","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:945","HPO_Frequency__c":"Occasional (5-29%)","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:945","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of the skull, the bony framework of the head which is comprised of the neurocranium (with eight cranial bones) and the viscerocranium (facial skeleton) that comprises fourteen facial bones with the mandible as its largest bone.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000929","HPO_Synonym__c":"Abnormality of the skull","HPO_Name__c":"Abnormal skull morphology","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","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:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A developmental defect in the formation of pulmonary lobes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002101","HPO_Synonym__c":"Abnormal pulmonary lobation; Defective lung lobation; Lung segmentation defects","HPO_Name__c":"Abnormal lung lobation","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Any structural anomaly of the heart and blood vessels.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030680","HPO_Synonym__c":"Abnormality of cardiovascular system morphology; Cardiovascular malformations","HPO_Name__c":"Abnormal cardiovascular system morphology","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A localized defect in the bone of the skull resulting from abnormal embryological development. The defect is covered by normal skin. In some cases, skull x-rays have shown underlying lytic bone lesions which have closed before the age of one year.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001362","HPO_Synonym__c":"Cranial defect; Skull defect","HPO_Name__c":"Calvarial skull defect","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A midline anterior incomplete closure of the abdominal wall in which there is herniation of the abdominal viscera into the base of the abdominal cord.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001539","HPO_Synonym__c":"Exomphalos; Omphalocoele","HPO_Name__c":"Omphalocele","Feature_System__c":"Musculoskeletal System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000175","HPO_Synonym__c":"Cleft hard and soft palate; Cleft of hard and soft palate; Cleft of palate; Cleft palate; Cleft roof of mouth; Palatoschisis; Uranostaphyloschisis","HPO_Name__c":"Cleft palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000238","HPO_Synonym__c":"Hydrocephaly; Nonsyndromal hydrocephalus; Too much cerebrospinal fluid in the brain","HPO_Name__c":"Hydrocephalus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A deformity of foot and ankle that has different subtypes that are talipes equinovarus, talipes equinovalgus, talipes calcaneovarus and talipes calcaneovalgus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001883","HPO_Name__c":"Talipes","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality resulting from an anomaly of neuronal migration, i.e., of the process by which neurons travel from their origin to their final position in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002269","HPO_Synonym__c":"Abnormal neuronal migration; Heterotopias/abnormal migration; Migrational brain disorder; Neuronal migration disorder","HPO_Name__c":"Abnormality of neuronal migration","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:945","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Incomplete closure of the embryonic neural tube, whereby some vertebral arches remain unfused and open. The mildest form is spina bifida occulta, followed by meningocele and meningomyelocele.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002414","HPO_Name__c":"Spina bifida","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Disease Category":["Congenital Abnormality"],"Specialist":["Orthopedics","Pediatrics"]},"synonyms":["absent bone maturation of skullcap"," absent ossification of calvaria"," absent ossification of skull vault"," acrania"," primary acalvaria"]}