{"Name":"C syndrome","DiseaseID__c":"GARD:0005978","id":5978,"encodedName":"c-syndrome","IsDeleted":false,"Disease_Name_Full__c":"C syndrome","Xref_IDs__c":"715409005; C0796095; C537418; DOID:0111581; MEDGEN:167105; MONDO:0008893; OMIM:211750; ORPHA:1308","USA_Estimate__c":"5,000","No_of_Specialist_Tagsa__c":5,"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":3,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0008893","Disease_Description__c":"C syndrome is a rare multiple congenital anomaly/intellectual disability syndrome characterized by trigonocephaly and metopic suture synostosis, dysmorphic facial features, short neck, skeletal anomalies, and variable intellectual disability.","GARD_Name__c":"C syndrome","GARD_Synonym__c":"opitz c trigonocephaly; opitz trigonocephaly c syndrome; opitz trigonocephaly syndrome; otcs; trigonocephaly c syndrome; trigonocephaly syndrome","Curated_Disease_Description_Source__c":"GARD:0005978","Curated_Disease_Description__c":"C syndrome, also known as Opitz trigonocephaly syndrome, is characterized by trigonocephaly, severe intellectual disability, hypotonia, variable cardiac defects, redundant (extra folds of) skin, joint and limb abnormalities, and unusual facial features such as upslanted palpebral fissures (upward pointing outside corners of the eyes), epicanthal folds, depressed nasal bridge, and low-set, posteriorly rotated ears. There is evidence of more than one type of inheritance. While many cases are sporadic, autosomal recessive, autosomal dominant, and germline mosaicism have all been suggested. At least some cases of C syndrome have been caused by dysfunction of the CD96 gene.","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:1308","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0008893","ORPHANET_ID__c":"ORPHA:1308","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome c","Spanish_Description_Source__c":"ORPHA:1308","Spanish_Description__c":"El síndrome C es un síndrome raro de anomalías congénitas múltiples y discapacidad intelectual caracterizado por sinostosis de la sutura metópica que produce la típica forma de frente puntiaguda que da al craneo un aspecto triangular (trigonocefalia), rasgos faciales dismórficos, cuello corto, anomalías esqueléticas, y discapacidad intelectual variable.","Spanish_Disease_Name__c":"síndrome c","Spanish_GARD_Synonym__c":"otcs; síndrome de trigonocefalia c; síndrome de trigonocefalia c de opitz; síndrome de trigonocefalia de opitz; trigonocefalia c de opitz","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":"C syndrome, also known as Opitz trigonocephaly syndrome, is characterized by trigonocephaly, severe intellectual disability, hypotonia, variable cardiac defects, redundant (extra folds of) skin, joint and limb abnormalities, and unusual facial features such as upslanted palpebral fissures (upward pointing outside corners of the eyes), epicanthal folds, depressed nasal bridge, and low-set, posteriorly rotated ears. There is evidence of more than one type of inheritance. While many cases are sporadic, autosomal recessive, autosomal dominant, and germline mosaicism have all been suggested. At least some cases of C syndrome have been caused by dysfunction of the CD96 gene.","Curated_Disease_Description_Source__c":"GARD:0005978","GARD_Synonym__c":"opitz c trigonocephaly; opitz trigonocephaly c syndrome; opitz trigonocephaly syndrome; otcs; trigonocephaly c syndrome; trigonocephaly syndrome","Name":"C syndrome","Curated_USA_Estimate__c":"5,000","estimateUsa":"5,000"}],"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":"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:1308"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:1308"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C0796095"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0005978","Source__c":"RareSource"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=167105","Source__c":"C0796095","Xref__c":"MEDGEN:167105"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0796095","Source__c":"C0796095","Xref__c":"C0796095"},{"URL__c":"https://www.omim.org/entry/211750","Source__c":"C0796095; MONDO:0008893; ORPHA:1308","Xref__c":"OMIM:211750"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C537418","Source__c":"MONDO:0008893","Xref__c":"C537418"},{"URL__c":"https://www.orpha.net/en/disease/detail/1308","Source__c":"C0796095; MONDO:0008893; ORPHA:1308","Xref__c":"ORPHA:1308"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=715409005","Source__c":"C0796095; MONDO:0008893","Xref__c":"715409005"},{"URL__c":"https://www.ebi.ac.uk/ols4/ontologies/doid/classes?obo_id=DOID%3A0111581","Source__c":"MONDO:0008893","Xref__c":"DOID:0111581"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0008893","Source__c":"GARD:0005978","Xref__c":"MONDO:0008893"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"CD96","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hermaphroditism refers to a discrepancy between the morphology of the gonads and that of the external genitalia. In female pseudohermaphroditism, the genotype is female (XX) and the gonads are ovaries, but the external genitalia are virilized.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010458","HPO_Name__c":"Female pseudohermaphroditism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Flat skin surface, with no ridge formation in the central region of the upper lip between the nasal base and upper vermilion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000319","HPO_Synonym__c":"Decreased depth of philtrum; Flat philtrum; Indistinct philtrum; Philtrum, smooth; Shallow philtrum; Simple philtrum","HPO_Name__c":"Smooth philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Developmental hypoplasia of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000347","HPO_Synonym__c":"Decreased size of lower jaw; Decreased size of mandible; Hypoplasia of lower jaw; Hypoplasia of mandible; Hypoplastic mandible; Hypoplastic mandible condyle; Hypotrophic lower jaw; Hypotrophic mandible; Little lower jaw; Little mandible; Lower jaw deficiency; Lower jaw hypoplasia; Mandibular deficiency; Mandibular hypoplasia; Mandibular micrognathia; Micrognathia of lower jaw; Micromandible; Robin mandible; Severe hypoplasia of mandible; Small jaw; Small lower jaw; Small mandible; Underdevelopment of lower jaw; Underdevelopment of mandible","HPO_Name__c":"Micrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A kind of polydactyly characterized by the presence of a supernumerary finger or fingers.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001161","HPO_Synonym__c":"Extra finger; Finger polydactyly; Polydactyly of the hand; Supernumerary finger","HPO_Name__c":"Hand polydactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the distribution of hair growth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010720","HPO_Synonym__c":"Abnormal distribution of hair; Abnormal hair pattern","HPO_Name__c":"Abnormal hair pattern","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence or underdevelopment of the kidney.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008678","HPO_Synonym__c":"Absent/small kidney; Absent/underdeveloped kidney; Renal agenesis/hypoplasia; Renal aplasia/hypoplasia","HPO_Name__c":"Renal hypoplasia/aplasia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","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:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Extra fold of tissue extending from the alveolar ridge to the inner surface of the upper or lower lip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000191","HPO_Synonym__c":"Accessory oral frenum; Extra oral frenulum; Extra oral frenum; Multiple oral frenula; Supernumerary oral frenulum; Supernumerary oral frenum","HPO_Name__c":"Accessory oral frenulum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100720","HPO_Synonym__c":"Underdeveloped ear cartilage","HPO_Name__c":"Hypoplasia of the ear cartilage","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A cutaneous indentation resulting from tethering of the skin to underlying structures (bone) of the intergluteal cleft.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000960","HPO_Synonym__c":"Pilonidal dimple; Spinal dimple","HPO_Name__c":"Sacral dimple","Feature_System__c":"Skin System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A reduction in the freedom of movement of one or more joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001376","HPO_Synonym__c":"Decreased joint mobility; Decreased mobility of joints; Limitation of joint mobility; Limited joint mobility; Limited joint motion","HPO_Name__c":"Limitation of joint mobility","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A narrowing of the biparietal diameter (i.e., of the transverse distance between the protuberances of the two parietal bones of the skull).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004422","HPO_Name__c":"Biparietal narrowing","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Distance from nasion to subnasale more than two standard deviations below the mean, or alternatively, an apparently decreased length from the nasal root to the nasal tip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003196","HPO_Synonym__c":"Decreased length of nose; Hypoplastic nose; Nasal hypoplasia; Short nose; Shortened nose","HPO_Name__c":"Short nose","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Frequent (30-79%)","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The palpebral fissure inclination is more than two standard deviations above the mean for age (objective); or, the inclination of the palpebral fissure is greater than typical for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000582","HPO_Synonym__c":"Mongoloid slant; Upslanting palpebral fissures; Upward slanted palpebral fissures; Upward slanting of palpebral fissures; Upward slanting of the opening between the eyelids; Upward slanting palpebral fissures","HPO_Name__c":"Upslanted palpebral fissure","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Wedge-shaped, or triangular head, with the apex of the triangle at the midline of the forehead and the base of the triangle at the occiput.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000243","HPO_Synonym__c":"Triangular cranium shape; Triangular skull shape; Wedge shaped cranium; Wedge shaped skull","HPO_Name__c":"Trigonocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A height below that which is expected according to age and sex norms. Although there is no universally accepted definition of short stature, many refer to \\\"short stature\\\" as height more than 2 standard deviations below the mean for age and sex (or below the 3rd percentile for age and sex dependent norms).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004322","HPO_Synonym__c":"Decreased body height; Height less than 3rd percentile; Short stature; Small stature; Stature below 3rd percentile","HPO_Name__c":"Short stature","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","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:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A dislocation of the head of the radius from its socket in the elbow joint.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003083","HPO_Synonym__c":"Congenital radial head dislocation; Dislocated radius; Dislocation of radial head; Dislocation of the radial head; Radial dislocation; Radial head dislocation; Radial head dislocation/subluxation","HPO_Name__c":"Dislocated radial head","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Multicystic dysplasia of the kidney is characterized by multiple cysts of varying size in the kidney and the absence of a normal pelvicaliceal system. The condition is associated with ureteral or ureteropelvic atresia, and the affected kidney is nonfunctional.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000003","HPO_Synonym__c":"Multicystic dysplastic kidney; Multicystic kidneys; Multicystic renal dysplasia","HPO_Name__c":"Multicystic kidney dysplasia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Hyperplasia of the gingiva (that is, a thickening of the soft tissue overlying the alveolar ridge. The degree of thickening ranges from involvement of the interdental papillae alone to gingival overgrowth covering the entire tooth crown.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000212","HPO_Synonym__c":"Gingival enlargement; Gingival hyperplasia; Gum enlargement; Gum hypertrophy; Hypertrophic gingivitis","HPO_Name__c":"Gingival overgrowth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A connection of the right and left kidney by an isthmus of functioning renal parenchyma or fibrous tissue that crosses the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000085","HPO_Synonym__c":"Horseshoe kidney; Horseshoe kidneys","HPO_Name__c":"Horseshoe kidney","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Displacement or malalignment of joints.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001373","HPO_Synonym__c":"Joint dislocation; Joint dislocations","HPO_Name__c":"Joint dislocation","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Diminished length of the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000470","HPO_Synonym__c":"Decreased length of neck; Short neck","HPO_Name__c":"Short neck","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The distal and proximal transverse palmar creases are merged into a single transverse palmar crease on both hands.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007598","HPO_Name__c":"Bilateral single transverse palmar creases","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The term intellectual disability or intellectual developmental disorder is used to describe significantly sub-average intellectual and adaptive functioning based on clinical assessment and as measured by individually administered, appropriately normed, standardized and validated tests of intellectual functioning and adaptive behavior, with onset during the developmental period from infancy through adolescence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001249","HPO_Synonym__c":"Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation","HPO_Name__c":"Intellectual disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A fold of skin starting above the medial aspect of the upper eyelid and arching downward to cover, pass in front of and lateral to the medial canthus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000286","HPO_Synonym__c":"Epicanthal fold; Epicanthal folds; Epicanthic folds; Eye folds; Palpebronasal fold; Plica palpebronasalis; Prominent eye folds","HPO_Name__c":"Epicanthus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormality of the anal canal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004378","HPO_Synonym__c":"Abnormality of the anus","HPO_Name__c":"Abnormality of the anus","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007601","HPO_Name__c":"Midline facial capillary hemangioma","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Loose and sagging skin often associated with loss of skin elasticity.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001582","HPO_Synonym__c":"Loose redundant skin; Redundant skin folds; Sagging, redundant skin","HPO_Name__c":"Redundant skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Webbing or fusion of the toes, involving soft parts only or including bone structure. Bony fusions are referred to as \\\"bony\\\" Syndactyly if the fusion occurs in a radio-ulnar axis. Fusions of bones of the toes in a proximo-distal axis are referred to as \\\"Symphalangism\\\".","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001770","HPO_Synonym__c":"Foot syndactyly; Fused toes; Syndactyly of feet; Syndactyly of toes; Webbed toes","HPO_Name__c":"Toe syndactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","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:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001531","HPO_Synonym__c":"Failure to thrive in first year of life; Faltering weight in infancy; Weight faltering in infancy","HPO_Name__c":"Failure to thrive in infancy","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","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:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Height of the vermilion of the medial part of the lip more than 2 SD below the mean, or apparently reduced height of the vermilion of the lip in the frontal view. The vermilion is the red part of the lips (and confusingly, the vermilion itself is also often referred to as being equivalent the lips).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000233","HPO_Synonym__c":"Decreased volume of lip; Decreased volume of lip vermillion; Thin lips; Thin vermillion","HPO_Name__c":"Thin vermilion border","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of excess amniotic fluid in the uterus during pregnancy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001561","HPO_Synonym__c":"High levels of amniotic fluid; Hydramnios","HPO_Name__c":"Polyhydramnios","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence or underdevelopment of the abdominal musculature.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010318","HPO_Synonym__c":"Absent/small abdominal wall muscles; Absent/underdeveloped abdominal wall muscles","HPO_Name__c":"Aplasia/Hypoplasia of the abdominal wall musculature","Feature_System__c":"Musculoskeletal System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Clinodactyly refers to a bending or curvature of the fifth finger in the radial direction (i.e., towards the 4th finger).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004209","HPO_Synonym__c":"Bilateral fifth digit clinodactyly; Bilateral fifth finger clinodactyly; Clinodactyly of fifth digit; Clinodactyly of the little finger; Fifth finger clinodactyly; Permanent curving of the pinkie finger","HPO_Name__c":"Clinodactyly of the 5th finger","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Infrequent or difficult evacuation of feces.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002019","HPO_Synonym__c":"Constipation; Costiveness; Dyschezia","HPO_Name__c":"Constipation","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of abnormally small extremities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002983","HPO_Synonym__c":"Smaller or shorter than typical limbs","HPO_Name__c":"Micromelia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A functional abnormality of the immune system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010978","HPO_Name__c":"Abnormality of immune system physiology","Feature_System__c":"Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Very frequent (80-99%)","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:1308","HPO_Frequency__c":"Occasional (5-29%)","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"}},{"Provided_By__c":"ORPHA:1308","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A defect of the chest wall characterized by a depression of the sternum, giving the chest (\\\"pectus\\\") a caved-in (\\\"excavatum\\\") appearance.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000767","HPO_Synonym__c":"Funnel chest","HPO_Name__c":"Pectus excavatum","Feature_System__c":"Musculoskeletal 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"]},"synonyms":["opitz c trigonocephaly"," opitz trigonocephaly c syndrome"," opitz trigonocephaly syndrome"," otcs"," trigonocephaly c syndrome"," trigonocephaly syndrome"]}