{"Name":"Acrocephalosyndactyly type I","DiseaseID__c":"GARD:0005833","id":5833,"encodedName":"acrocephalosyndactyly-type-i","IsDeleted":false,"Disease_Name_Full__c":"Acrocephalosyndactyly type I","Xref_IDs__c":"205258009; C0001193; C99099; D000168; MEDGEN:7858; MONDO:0007041; OMIM:101200; ORPHA:87","USA_Estimate__c":"50,000","No_of_Specialist_Tagsa__c":9,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":2,"World_Estimate__c":"80,000 to 800,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":2,"No_of_Disease_Descriptions__c":5,"Disease_Characteristics_Score__c":8,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0007041","Disease_Description__c":"A frequent form of acrocephalosyndactyly, a group of inherited congenital malformation disorders, characterized by craniosynostosis, midface hypoplasia, and finger and toe anomalies and/or syndactyly.","GARD_Name__c":"Acrocephalosyndactyly type I","GARD_Synonym__c":"acrocephalo-syndactyly type 1; acrocephalosyndactyly (apert); acrocephalosyndactyly type 1; acs 1; acs1; apert syndrome; syndactylic oxycephaly; type i acrocephalosyndactyly","Curated_Disease_Description_Source__c":"GARD:0005833","Curated_Disease_Description__c":"Apert syndrome is characterized by fusion of the skull bones too early during development (craniosynostosis) and webbing of fingers and toes (syndactyly). Other signs and symptoms may include distinctive facial features, some of which may lead to dental and vision problems. People with Apert syndrome may also have mild to moderate intellectual disability. Apert syndrome is caused by a change in the FGFR2 gene. It is inherited in an autosomal dominant manner, but many cases result from a new genetic change in a person with no family history of the disorder (a de novo genetic change).","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"50,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:87","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Grouping","MONDO_ID__c":"MONDO:0007041","ORPHANET_ID__c":"ORPHA:87","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de apert","Spanish_Description_Source__c":"ORPHA:87","Spanish_Description__c":"Es una forma frecuente de acrocefalosindactilia, un grupo de trastornos malformativos hereditarios congénitos, caracterizado por craneosinostosis, hipoplasia del tercio medio facial y anomalías de dedos de las manos y pies con/sin sindactilia.","Spanish_Disease_Name__c":"síndrome de apert","Spanish_GARD_Synonym__c":"acrocefalosindactilia tipo 1; acs1","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":"Apert syndrome is characterized by fusion of the skull bones too early during development (craniosynostosis) and webbing of fingers and toes (syndactyly). Other signs and symptoms may include distinctive facial features, some of which may lead to dental and vision problems. People with Apert syndrome may also have mild to moderate intellectual disability. Apert syndrome is caused by a change in the FGFR2 gene. It is inherited in an autosomal dominant manner, but many cases result from a new genetic change in a person with no family history of the disorder (a de novo genetic change).","Curated_Disease_Description_Source__c":"GARD:0005833","GARD_Synonym__c":"acrocephalo-syndactyly type 1; acrocephalosyndactyly (apert); acrocephalosyndactyly type 1; acs 1; acs1; apert syndrome; syndactylic oxycephaly; type i acrocephalosyndactyly","Name":"Acrocephalosyndactyly type I","Curated_USA_Estimate__c":"50,000","estimateUsa":"50,000"}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"myFace","Website__c":"https://www.myface.org/"},{"Account_Name__c":"Craniosynostosis and Positional Plagiocephaly Support Inc","Website__c":"https://www.cappskids.org/"},{"Account_Name__c":"FACES: The National Craniofacial Association","Website__c":"https://www.faces-cranio.org/"},{"Account_Name__c":"Children's Craniofacial Association","Website__c":"https://ccakids.org/"},{"Account_Name__c":"Ameriface","Website__c":"http://www.ameriface.org"},{"Account_Name__c":"American Cleft Palate Craniofacial Association","Website__c":"https://acpacares.org/"},{"Account_Name__c":"Headlines Craniofacial Support","Website__c":"https://www.headlines.org.uk/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"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":"Ophthalmology","Tag_Category__c":"Specialist"},{"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":"Otolaryngology","Tag_Category__c":"Specialist"},{"Tag_Name__c":"Craniofacial Anomalies","Tag_Category__c":"Account","curated_tag_name":"Craniofacial anomalies"},{"Tag_Name__c":"Neuro-Ophthalmology","Tag_Category__c":"Specialist","curated_tag_name":"Neuro-ophthalmic diseases"},{"Tag_Name__c":"Anterior segment of Eye","Tag_Category__c":"Specialist","curated_tag_name":"Front part of eye disease"},{"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:87"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:87"}],"Diagnosis__c":[{"Type__c":"GTR","Curie__c":"MEDGEN:C0001193"}],"External_Identifier_Disease__c":[{"URL__c":"https://raresource.nih.gov/diseases/filter/0005833","Source__c":"RareSource"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK1455","Xref__c":"NBK1455"},{"URL__c":"https://www.ncbi.nlm.nih.gov/books/NBK541728","Source__c":"Gene Review","Xref__c":"NBK541728"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=7858","Source__c":"C0001193","Xref__c":"MEDGEN:7858"},{"URL__c":"https://www.omim.org/entry/101200","Source__c":"C0001193; MONDO:0007041; ORPHA:87","Xref__c":"OMIM:101200"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=205258009","Source__c":"C0001193; MONDO:0007041","Xref__c":"205258009"},{"URL__c":"https://www.orpha.net/en/disease/detail/87","Source__c":"C0001193; MONDO:0007041; ORPHA:87","Xref__c":"ORPHA:87"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C0001193","Source__c":"C0001193","Xref__c":"C0001193"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C000168","Source__c":"MONDO:0007041","Xref__c":"D000168"},{"URL__c":"https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncit/C99099","Source__c":"C0001193; MONDO:0007041","Xref__c":"C99099"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0007041","Source__c":"GARD:0005833","Xref__c":"MONDO:0007041"},{"URL__c":"https://medlineplus.gov/genetics/condition/apert-syndrome"},{"URL__c":"https://medlineplus.gov/genetics/condition/apert-syndrome","Source__c":"GARD:0005833","Xref__c":"https://medlineplus.gov/genetics/condition/apert-syndrome"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"FGFR2","GHR_URL__c":"https://medlineplus.gov/genetics/gene/fgfr2","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal dominant"],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal difference between the left and right sides of the face.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000324","HPO_Synonym__c":"Asymmetric facies; Asymmetry of face; Asymmetry of right and left side of face; Crooked face; Facial asymmetry; Unsymmetrical face","HPO_Name__c":"Facial asymmetry","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Width of the palate more than 2 SD below the mean (objective) or apparently decreased palatal width (subjective).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000189","HPO_Synonym__c":"Decreased palatal width; Decreased transverse dimension of palate; Narrow palate; Narrow roof of mouth","HPO_Name__c":"Narrow palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The palpebral fissure inclination is more than two standard deviations below the mean.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000494","HPO_Synonym__c":"Antimongoloid eye slant; Antimongoloid slant of palpebral fissures; Antimongoloid slanted palpebral fissures; Down slanting palpebral fissures; Down-slanted palpebral fissures; Down-slanting palpebral fissure; Down-slanting palpebral fissures; Downslanting palpebral fissure; Downslanting palpebral fissures; Downward slanted palpebral fissures; Downward slanting of the opening between the eyelids; Downward slanting palpebral fissures; Downward-slanting palpebral fissures; Palpebral fissures down-slanted","HPO_Name__c":"Downslanted palpebral fissures","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","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:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Visual impairment (or vision impairment) is vision loss (of a person) to such a degree as to qualify as an additional support need through a significant limitation of visual capability resulting from either disease, trauma, or congenital or degenerative conditions that cannot be corrected by conventional means, such as refractive correction, medication, or surgery.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000505","HPO_Synonym__c":"Impaired vision; Loss of eyesight; Poor vision; Visual impairment","HPO_Name__c":"Visual impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","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:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality related to a defect of vertebral separation during development.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003422","HPO_Synonym__c":"Abnormal spinal segmentation","HPO_Name__c":"Vertebral segmentation defect","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Inequality of refractive power of the two eyes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012803","HPO_Name__c":"Anisometropia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Absence of the septum pellucidum (meaning translucent wall in Latin - SP), also known as the ventricle of Sylvius. The septum pellucidum is a thin, triangular double membrane separating the frontal horns of the right and left lateral ventricles of the brain. It extends between the anterior portion of the corpus callosum, and the body of the fornix and its width varies from 1.5 to 3.0 mm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001331","HPO_Synonym__c":"Absence of septum pellucidum; Absence of the septum pellucidum; Agenesis of the septum pellucidum; Missing septum pellucidum","HPO_Name__c":"Absent septum pellucidum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of vibrational conductance of sound to the inner ear leading to impairment of sensory perception of sound.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000405","HPO_Synonym__c":"Conduction deafness; Conductive deafness; Conductive hearing loss; Hearing loss, conductive","HPO_Name__c":"Conductive hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the morphology of the semicircular canal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011380","HPO_Synonym__c":"Morphological abnormality of the semicircular canal","HPO_Name__c":"Abnormal semicircular canal morphology","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Onychodystrophy (nail dystrophy) refers to nail changes apart from changes of the color (nail dyschromia) and involves partial or complete disruption of the various keratinous layers of the nail plate.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008404","HPO_Synonym__c":"Dystrophic nails; Onychodystrophy; Poor nail formation","HPO_Name__c":"Nail dystrophy","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Obstruction of conducting airways of the lung.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006536","HPO_Synonym__c":"Obstructive lung disease; Pulmonary obstruction","HPO_Name__c":"Airway obstruction","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Trilobar skull configuration when viewed from the front or behind.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002676","HPO_Synonym__c":"Kleeblattschaedel","HPO_Name__c":"Cloverleaf skull","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","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:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Nasal ridge curving anteriorly to an imaginary line that connects the nasal root and tip. The nose appears often also prominent, and the columella low.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000444","HPO_Synonym__c":"Beaked nose; Beaklike protrusion; Convex dorsum of nose; Convex nasal dorsum; Hooked nose; Polly beak nasal deformity","HPO_Name__c":"Convex nasal ridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An increase in size of the ventricular system of the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002119","HPO_Synonym__c":"Cerebral ventricular dilatation; Dilated cerebral ventricle; Dilated cerebral ventricles; Dilated ventricles; Enlarged cerebral ventricles; Enlarged ventricles; Enlarged ventricular system; Large cerebral ventricles and cisternae; Ventricular dilatation","HPO_Name__c":"Ventriculomegaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Webbing or fusion of the fingers, 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 fingers in a proximo-distal axis are referred to as \\\"Symphalangism\\\".","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006101","HPO_Synonym__c":"Partial syndactyly","HPO_Name__c":"Finger syndactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","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:87","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:87","HPO_Frequency__c":"Very frequent (80-99%)","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:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Posterior positions and/or vertical shortening of the infraorbital and perialar regions, or increased concavity of the face and/or reduced nasolabial angle.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011800","HPO_Synonym__c":"Decreased size of midface; Flat midface; Hypoplasia of midface; Midface deficiency; Midface hypoplasia; Midface retrusion; Midface, flat; Retrusive midface; Underdevelopment of midface","HPO_Name__c":"Midface retrusion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Increased thumb width without increased dorso-ventral dimension.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011304","HPO_Synonym__c":"Broad phalanges of the thumb; Broad thumb; Broad thumbs; Wide/broad thumb; Wide/broad thumb phalanges","HPO_Name__c":"Broad thumb","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002093","HPO_Synonym__c":"Respiratory impairment","HPO_Name__c":"Respiratory insufficiency","Feature_System__c":"Respiratory system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Inflammation or infection of the middle ear.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000388","HPO_Synonym__c":"Middle ear infection","HPO_Name__c":"Otitis media","Feature_System__c":"Immune System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormally small dimension of the Maxilla. Usually creating a malocclusion or malalignment between the upper and lower teeth or resulting in a deficient amount of projection of the base of the nose and lower midface region.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000327","HPO_Synonym__c":"Decreased size of maxilla; Decreased size of upper jaw; Hypoplasia of upper jaw bones; Hypoplastic maxillary bones; Maxillary deficiency; Maxillary hypoplasia; Maxillary micrognathia; Maxillary retrognathia; Maxillary retrusion; Micromaxilla; Small maxilla; Small upper jaw; Small upper jaw bones; Upper jaw deficiency; Upper jaw retrusion","HPO_Name__c":"Hypoplasia of the maxilla","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An extra-parenchymal and intra-arachnoidal collection of fluid with a composition similar to that of cerebrospinal fluid.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100702","HPO_Synonym__c":"Fluid-filled sac located in membrane surrounding brain or spinal cord","HPO_Name__c":"Arachnoid cyst","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Chiari malformation consists of a downward displacement of the cerebellar tonsils and the medulla through the foramen magnum, sometimes causing hydrocephalus as a result of obstruction of CSF outflow.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002308","HPO_Synonym__c":"Arnold-Chiari malformation; Cerebellar tonsillar ectopia","HPO_Name__c":"Chiari malformation","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Absence or abnormal closure of the choana (the posterior nasal aperture). Most embryologists believe that posterior choanal atresia results from a failure of rupture between the 35th and 38th day of fetal life of the partition which separates the bucconasal or buccopharyngeal membranes. The resultant choanal atresia may be unilateral or bilateral, bony or membranous, complete or incomplete. In over 90 per cent of cases the obstruction is bony, while in the remainder it is membranous. The bony type of atresia is commonly located 1-2 mm. anterior to the posterior edge of the hard palate, and the osseous septum varies in thickness from 1 to 10 mm. In the membranous form of choanal atresia the obstruction usually occurs further posteriorly. In approximately one third of cases the atresia is bilateral.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000453","HPO_Synonym__c":"Blockage of the rear opening of the nasal cavity","HPO_Name__c":"Choanal atresia","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal excessive perspiration (sweating) despite the lack of appropriate stimuli like hot and humid weather.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000975","HPO_Synonym__c":"Diaphoresis; Excessive sweating; Increased sweating; Profuse sweating; Sweating; Sweating profusely; Sweating, increased","HPO_Name__c":"Hyperhidrosis","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Impaired feeding performance of an infant as manifested by difficulties such as weak and ineffective sucking, brief bursts of sucking, and falling asleep during sucking. There may be difficulties with chewing or maintaining attention.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008872","HPO_Name__c":"Feeding difficulties in infancy","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The presence of chronic increased pressure in the systemic arterial system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000822","HPO_Synonym__c":"Arterial hypertension; Systemic hypertension","HPO_Name__c":"Hypertension","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Delayed tooth eruption, which can be defined as tooth eruption more than 2 SD beyond the mean eruption age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000684","HPO_Synonym__c":"Delayed dental development; Delayed dental eruption; Delayed eruption; Delayed eruption of teeth; Delayed teeth eruption; Delayed tooth eruption; Eruption, delayed; Late eruption of teeth; Late tooth eruption","HPO_Name__c":"Delayed eruption of teeth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Abnormal displacement or malposition of the anus.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004397","HPO_Synonym__c":"Abnormal anus position; Anus malposition","HPO_Name__c":"Ectopic anus","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"In newborns, the two frontal bones, two parietal bones, and one occipital bone are joined by fibrous sutures, which form a small posterior fontanelle, and a larger, diamond-shaped anterior fontanelle. These regions allow for the skull to pass the birth canal and for later growth. The fontanelles gradually ossify, whereby the posterior fontanelle usually closes by eight weeks and the anterior fontanelle by the 9th to 16th month of age. Large fontanelles are diagnosed if the fontanelles are larger than age-dependent norms.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000239","HPO_Synonym__c":"Enlarged fontanelles; Large fontanel; Large fontanelle; Large fontanels; Persistent wide fontanel; Wide fontanelles","HPO_Name__c":"Large fontanelles","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","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:87","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:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of any abnormality of the genitourinary system.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000119","HPO_Synonym__c":"Abnormality of the GU system; Genitourinary abnormality; Genitourinary tract anomalies; Genitourinary tract malformation; Urogenital abnormalities; Urogenital anomalies","HPO_Name__c":"Abnormality of the genitourinary system","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormal prominence of the chin related to increased length of the mandible.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000303","HPO_Synonym__c":"Big lower jaw; Big mandible; Enlarged mandible; Enlargement of mandible; Hyperplasia of lower jaw; Increased projection of lower jaw; Increased projection of mandible; Increased size of lower jaw; Large lower jaw; Large mandible; Lower jaw excess; Lower jaw hyperplasia; Macromandible; Mandible prognathism; Mandibular excess; Mandibular hyperplasia; Mandibular macrognathia; Mandibular prognathism; Prognathia; Prognathism; Prominent chin; Prominent jaw; Prominent lower jaw; Prominent mandible; Relative mandibular prognathism","HPO_Name__c":"Mandibular prognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","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:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of concavity or convexity of the face when viewed in profile.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012368","HPO_Synonym__c":"Flat face; Flat facial profile; Flat facial shape; Flat facies","HPO_Name__c":"Flat face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Fusion of the C5 and C6 cervical vertebrae.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004635","HPO_Name__c":"Cervical C5/C6 vertebrae fusion","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A developmental defect resulting in complete obliteration of the lumen of the esophagus such that the esophagus ends in a blind pouch rather than connecting to the stomach.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002032","HPO_Synonym__c":"Birth defect in which part of esophagus did not develop","HPO_Name__c":"Esophageal atresia","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormal vertical height of the skull and a shortening of its anterior-posterior length, frequently combined with malformations of the occipital region.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000244","HPO_Synonym__c":"Brachy-turricephaly; High, prominent forehead; Turribrachycephaly","HPO_Name__c":"Brachyturricephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Width of the forehead or distance between the frontotemporales is more than two standard deviations above the mean (objective); or apparently increased distance between the two sides of the forehead.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000337","HPO_Synonym__c":"Bitemporal widening; Broad forehead; Increased bitemporal dimension; Increased bitemporal width; Increased width of the forehead; Intertemporal widening; Wide forehead","HPO_Name__c":"Broad forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An eye that is protruding anterior to the plane of the face to a greater extent than is typical.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000520","HPO_Synonym__c":"Anterior bulging of the globe; Anterior bulging of the globe of eye; Bulging eye; Exophthalmos; Eyeballs bulging out; Ocular proptosis; Prominent eyes; Prominent globes; Protruding eyes; Protrusio bulbi","HPO_Name__c":"Proptosis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Absence of the corpus callosum as a result of the failure of the corpus callosum to develop, which can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001274","HPO_Synonym__c":"Absence of corpus callosum; Absent corpus callosum; Agenesis of the corpus callosum; Callosal agenesis; Corpus callosum agenesis; Dysplastic or absent corpus callosum","HPO_Name__c":"Agenesis of corpus callosum","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An erosion or abrasion of the cornea's outermost layer of epithelial cells.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200020","HPO_Synonym__c":"Damage to outer layer of the cornea of the eye","HPO_Name__c":"Corneal erosion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Reduced depth of the orbits associated with prominent-appearing ocular globes.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000586","HPO_Synonym__c":"Decreased depth of eye sockets; Decreased depth of orbits; Shallow eye sockets; Small shallow orbits","HPO_Name__c":"Shallow orbits","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","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:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of head shape characterized by the presence of a short, wide head as well as a pointy or conical form of the top of the head owing to premature closure of the coronal and lambdoid sutures.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004487","HPO_Name__c":"Acrobrachycephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Premature closure of the coronal suture of skull.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004440","HPO_Synonym__c":"Coronal suture craniosynostosis; Coronal suture synostosis; Craniosynostosis of coronal suture","HPO_Name__c":"Coronal craniosynostosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Hypoplastic/small or absent thumb.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009601","HPO_Synonym__c":"Absent or hypoplastic thumbs; Absent/hypoplastic thumb; Absent/hypoplastic thumbs; Absent/small thumb; Absent/underdeveloped thumb; Aplasia/hypoplasia of thumbs; Aplastic/hypoplastic thumbs; Hypoplastic to aplastic thumbs; Hypoplastic/absent thumb; Thumb aplasia/hypoplasia","HPO_Name__c":"Aplasia/Hypoplasia of the thumb","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Uvula separated into two parts most easily seen at the tip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000193","HPO_Synonym__c":"Bifid palatine uvula; Cleft of uvula; Cleft uvula; Forked uvula; Split uvula; Uvula bifida","HPO_Name__c":"Bifid uvula","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Very frequent (80-99%)","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:87","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Craniosynostosis refers to the premature closure of the cranial sutures. Primary craniosynostosis refers to the closure of one or more sutures due to abnormalities in skull development, and secondary craniosynostosis results from failure of brain growth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001363","HPO_Synonym__c":"Cranial suture synostosis; Craniosyostosis; Early fusion of cranial sutures; Premature closure of cranial sutures; Premature suture closure","HPO_Name__c":"Craniosynostosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","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:87","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Dental malocclusion refers to an abnormality of the occlusion, or alignment, of the teeth and the way the upper and lower teeth fit together, resulting in overcrowding of teeth or in abnormal bite patterns.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000689","HPO_Synonym__c":"Bad bite; Bilateral crossbite; Bilateral crossbite malocclusion; Incorrect relation between upper and lower dental arches; Malalignment of upper and lower dental arches; Malocclusion; Malocclusion of teeth; Misalignment of upper and lower dental arches; Occlusion anomaly","HPO_Name__c":"Dental malocclusion","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:87","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Atrophy of the optic nerve. Optic atrophy results from the death of the retinal ganglion cell axons that comprise the optic nerve and manifesting as a pale optic nerve on fundoscopy.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000648","HPO_Synonym__c":"Optic nerve atrophy; Optic-nerve degeneration","HPO_Name__c":"Optic atrophy","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Ophthalmology","Orthopedics","Otolaryngology","Neuro-Ophthalmology","Anterior segment of Eye","Neurodevelopmental disabilities","Pediatrics"],"Account":["Craniofacial Anomalies"]},"synonyms":["acrocephalo-syndactyly type 1"," acrocephalosyndactyly (apert)"," acrocephalosyndactyly type 1"," acs 1"," acs1"," apert syndrome"," syndactylic oxycephaly"," type i acrocephalosyndactyly"]}