{"Name":"Distal trisomy 18q","DiseaseID__c":"GARD:0018742","id":18742,"encodedName":"distal-trisomy-18q","IsDeleted":false,"Disease_Name_Full__c":"Distal trisomy 18q","Xref_IDs__c":"782676009; C5190516; MEDGEN:1674040; MONDO:0015741; ORPHA:1716","USA_Estimate__c":null,"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":null,"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":"ORPHA:1716","Disease_Description__c":"Distal trisomy 18q is a rare, partial autosomal trisomy characterized by a variable phenotype that includes hypotonia, motor delay, mild to severe intellectual disability, seizures, variable cerebral anomalies, finger/toe syndactyly, fifth finger clinodactyly, strabismus, short neck and dysmorphic facial features.","GARD_Name__c":"Distal trisomy 18q","GARD_Synonym__c":"distal duplication 18q; distal trisomy type 18q; telomeric duplication 18q; trisomy 18qter","Curated_Disease_Description_Source__c":"ORPHA:1716","Curated_Disease_Description__c":"A rare, partial autosomal trisomy characterized by a variable phenotype that includes hypotonia, motor delay, mild to severe intellectual disability, seizures, variable cerebral anomalies, finger/toe syndactyly, fifth finger clinodactyly, strabismus, short neck and dysmorphic facial features.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":null,"Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:1716","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0015741","ORPHANET_ID__c":"ORPHA:1716","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de duplicación terminal 18q","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"síndrome de duplicación terminal 18q","Spanish_GARD_Synonym__c":"trisomía 18qter; trisomía terminal 18q","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":"A rare, partial autosomal trisomy characterized by a variable phenotype that includes hypotonia, motor delay, mild to severe intellectual disability, seizures, variable cerebral anomalies, finger/toe syndactyly, fifth finger clinodactyly, strabismus, short neck and dysmorphic facial features.","Curated_Disease_Description_Source__c":"ORPHA:1716","GARD_Synonym__c":"distal duplication 18q; distal trisomy type 18q; telomeric duplication 18q; trisomy 18qter","Name":"Distal trisomy 18q","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"Account_Name__c":"Chromosome 18 Registry & Research Society","Website__c":"https://www.chromosome18.org/"},{"Account_Name__c":"Chromosome Disorder Outreach","Website__c":"https://chromodisorder.org/"},{"Account_Name__c":"Unique","Website__c":"https://rarechromo.org/"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Chromosomal Anomaly","Tag_Category__c":"Account;Cause","curated_tag_name":"Chromosome disorders"},{"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":"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":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:1716"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:1716"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5190516","Source__c":"C5190516","Xref__c":"C5190516"},{"URL__c":"https://www.orpha.net/en/disease/detail/1716","Source__c":"C5190516; MONDO:0015741; ORPHA:1716","Xref__c":"ORPHA:1716"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1674040","Source__c":"C5190516","Xref__c":"MEDGEN:1674040"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=782676009","Source__c":"C5190516","Xref__c":"782676009"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0015741","Source__c":"GARD:0018742","Xref__c":"MONDO:0015741"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Abnormally long and slender fingers (spider fingers).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001166","HPO_Synonym__c":"Long slender fingers; Long, slender fingers; Spider fingers","HPO_Name__c":"Arachnodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001176","HPO_Synonym__c":"Disproportionately large hands; large hand; Large hands","HPO_Name__c":"Large hands","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of dermatoglyphs (fingerprints), which are present on fingers, palms, toes, and soles.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007477","HPO_Synonym__c":"Abnormal fingerprints; Dermatoglyphic abnormalities","HPO_Name__c":"Abnormal dermatoglyphics","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of the morphology of the tooth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006482","HPO_Synonym__c":"Abnormality of dental morphology; Abnormality of dental shape; Abnormality of shape of tooth; Abnormally shaped teeth; Deformity of teeth; Dental deformity; Dental malformations; Malformation of teeth; Malformed teeth; Misshapen teeth; Misshapened teeth","HPO_Name__c":"Abnormal dental morphology","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","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:1716","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:1716","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:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Anterior positioning of the nasal root in comparison to the usual positioning for age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000426","HPO_Synonym__c":"Elevated nasal bridge; High nasal bridge; Prominent bridge of nose; Prominent nasal bridge; Prominent nasal root; Protruding bridge of nose; Protruding nasal bridge","HPO_Name__c":"Prominent nasal bridge","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers cannot be extended to 180 degrees by either active or passive extension.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100490","HPO_Synonym__c":"Camptodactyly of hands; Camptodactyly of proximal interphalangeal joint; Contractures of the proximal interphalangeal joints of the fingers; Flexion contractures of proximal interphalangeal joints; Permanent flexion of the finger; Proximal interphalangeal finger joint contractures","HPO_Name__c":"Camptodactyly of finger","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Occasional (5-29%)","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:1716","HPO_Frequency__c":"Frequent (30-79%)","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:1716","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:1716","HPO_Frequency__c":"Occasional (5-29%)","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"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001263","HPO_Synonym__c":"Delayed cognitive development; Delayed development; Delayed developmental milestones; Delayed intellectual development; Delayed milestones; Delayed psychomotor development; Developmental delay; Developmental delay in early childhood; Developmental delay, global; Developmental retardation; GDD; Lack of psychomotor development; Motor and developmental delay; Motormental retardation; Psychomotor delay; Psychomotor development deficiency; Psychomotor development failure; Psychomotor developmental delay; Retarded development; Retarded mental development; Retarded psychomotor development","HPO_Name__c":"Global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"The facial appearance is more circular than usual as viewed from the front.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000311","HPO_Synonym__c":"Circular face; Round face; Round facial appearance; Round facial shape; Round facies","HPO_Name__c":"Round face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Abnormal cognition is characterized by deficits in thinking, reasoning, or remembering.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0100543","HPO_Synonym__c":"Abnormality of cognition; Cognitive abnormality; Cognitive defects; Cognitive deficits; Cognitive impairment; Intellectual impairment","HPO_Name__c":"Cognitive impairment","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","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:1716","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:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Caries is a multifactorial bacterial infection affecting the structure of the tooth. This term has been used to describe the presence of more than expected dental caries.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000670","HPO_Synonym__c":"Caries; Cariosity of teeth; Dental caries; Dental cavities; Early dental caries; Frequent caries; Tooth cavities; Tooth decay","HPO_Name__c":"Carious teeth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A thickening of the skin thickness in the posterior aspect of the fetal neck. A nuchal fold (NF) measurement is obtained in a transverse section of the fetal head at the level of the cavum septum pellucidum and thalami, angled posteriorly to include the cerebellum. The measurement is taken from the outer edge of the occiput bone to the outer skin limit directly in the midline. An NF measurement greater than 5 mm at 14 to 17+6 weeks of gestation, or 6 mm at 18 to 28 weeks has been associated with a markedly increased risk for Down syndrome.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000474","HPO_Synonym__c":"Excess nuchal skin; Increased nuchal fold; Increased nuchal fold thickness; Thick nuchal fold; Thickened nuchal skin; Thickened skin folds of neck; Thickened skin over the neck","HPO_Name__c":"Thickened nuchal skin fold","HPO_Feature_Type__c":"Imaging_Ultrasound_Fetal"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Any structural abnormality of the female external genitalia.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000055","HPO_Synonym__c":"Abnormal female external genitalia; Abnormality of female external genitalia","HPO_Name__c":"Abnormal female external genitalia morphology","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality of skull shape characterized by a increased anterior-posterior diameter, i.e., an increased antero-posterior dimension of the skull. Cephalic index less than 76%. Alternatively, an apparently increased antero-posterior length of the head compared to width. Often due to premature closure of the sagittal suture.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000268","HPO_Synonym__c":"Long, narrow head; Tall and narrow skull","HPO_Name__c":"Dolichocephaly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","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:1716","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:1716","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:1716","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Deviated fingers is a term that should be used if one or more fingers of the hand are deviated from their normal position, either to the radial or ulnar side. A deviation of a finger can be caused by an abnormal form of one or more of the phalanges of the affected finger, or by a deviation or displacement of one or more phalanges.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004097","HPO_Synonym__c":"Atypical position of finger; Deviated fingers; Finger pointing in a different direction than usual","HPO_Name__c":"Deviation of finger","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008736","HPO_Synonym__c":"Underdeveloped penis","HPO_Name__c":"Hypoplasia of penis","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A coloboma of the iris.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000612","HPO_Synonym__c":"Cat eye; Coloboma of iris; Coloboma of the iris; Keyhole iris","HPO_Name__c":"Iris coloboma","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Facial contour, as viewed from the front, triangular in shape, with breadth at the temples and tapering to a narrow chin.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000325","HPO_Synonym__c":"Face with broad temples and narrow chin; Inverted triangular face; Triangular face; Triangular facial shape; Triangular facies","HPO_Name__c":"Triangular face","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1716","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:1716","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A progressive form of decreased height of the intervertebral disk.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004622","HPO_Name__c":"Progressive intervertebral space narrowing","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Account":["Chromosomal Anomaly"],"Cause":["Chromosomal Anomaly","Genetics"],"Disease Category":["Genetics","Congenital Abnormality"],"Specialist":["Genetics","Pediatrics"]},"synonyms":["distal duplication 18q"," distal trisomy type 18q"," telomeric duplication 18q"," trisomy 18qter"]}