{"Name":"Mosaic trisomy 20","DiseaseID__c":"GARD:0018744","id":18744,"encodedName":"mosaic-trisomy-20","IsDeleted":false,"Disease_Name_Full__c":"Mosaic trisomy 20","Xref_IDs__c":"C5979884; MEDGEN:1876689; MONDO:0015764; ORPHA:1724","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":2,"Disease_Characteristics_Score__c":7,"No_of_Age_at_Onset__c":2,"Description_Source__c":"MONDO:0015764","Disease_Description__c":"Mosaic trisomy 20 is a rare chromosomal anomaly syndrome with a highly variable phenotype ranging from normal (in the majority of cases) to a mild, subtle phenotype principally characterized by spinal abnormalities (i.e. stenosis, vertebral fusion, and kyphosis), hypotonia, lifelong constipation, sloped shoulders, skin pigmentation abnormalities (i.e. linear and whorled nevoid hypermelanosis) and significant learning disabilities despite normal intelligence. More severe phenotypes, with patients presenting psychomotor and speech delay, mild facial dysmorphism, cardiac (i.e. ventricular septal defect, dysplastic tricuspid mitral valve) and renal anomalies (e.g. horseshoe kidneys), have also been reported.","GARD_Name__c":"Mosaic trisomy 20","GARD_Synonym__c":"mosaic trisomy 20 syndrome; mosaic trisomy chromosome 20; mosaic trisomy type 20; trisomy 20 mosaicism","Curated_Disease_Description_Source__c":"MONDO:0015764","Curated_Disease_Description__c":"Mosaic trisomy 20 is a rare chromosomal anomaly syndrome with a highly variable phenotype ranging from normal (in the majority of cases) to a mild, subtle phenotype principally characterized by spinal abnormalities (i.e. stenosis, vertebral fusion, and kyphosis), hypotonia, lifelong constipation, sloped shoulders, skin pigmentation abnormalities (i.e. linear and whorled nevoid hypermelanosis) and significant learning disabilities despite normal intelligence. More severe phenotypes, with patients presenting psychomotor and speech delay, mild facial dysmorphism, cardiac (i.e. ventricular septal defect, dysplastic tricuspid mitral valve) and renal anomalies (e.g. horseshoe kidneys), have also been reported.","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:1724","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0015764","ORPHANET_ID__c":"ORPHA:1724","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de trisomía 20 en mosaico","Spanish_Description_Source__c":"ORPHA:1724","Spanish_Description__c":"La trisomía 20 en mosaico es un síndrome de anomalías cromosómicas poco frecuente con un fenotipo altamente variable que va desde normal (en la mayoría de los casos) a un fenotipo leve y sutil caracterizado principalmente por anomalías espinales (es decir, estenosis, fusión vertebral y cifosis), hipotonía, estreñimiento crónico, hombros caídos, anomalías de la pigmentación cutánea (es decir, hipermelanosis nevoide lineal y espiral) y discapacidades de aprendizaje significativas a pesar de la inteligencia normal. También se han notificado fenotipos más graves, con pacientes que presentan retraso psicomotor y del habla, dismorfia facial leve, cardiopatía (tales como, defecto septal ventricular, válvula mitral tricúspide displásica) y anomalías renales (p. ej., riñones en herradura).","Spanish_Disease_Name__c":"síndrome de trisomía 20 en mosaico","Spanish_GARD_Synonym__c":"trisomía del cromosoma 20 en mosaico","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":"Mosaic trisomy 20 is a rare chromosomal anomaly syndrome with a highly variable phenotype ranging from normal (in the majority of cases) to a mild, subtle phenotype principally characterized by spinal abnormalities (i.e. stenosis, vertebral fusion, and kyphosis), hypotonia, lifelong constipation, sloped shoulders, skin pigmentation abnormalities (i.e. linear and whorled nevoid hypermelanosis) and significant learning disabilities despite normal intelligence. More severe phenotypes, with patients presenting psychomotor and speech delay, mild facial dysmorphism, cardiac (i.e. ventricular septal defect, dysplastic tricuspid mitral valve) and renal anomalies (e.g. horseshoe kidneys), have also been reported.","Curated_Disease_Description_Source__c":"MONDO:0015764","GARD_Synonym__c":"mosaic trisomy 20 syndrome; mosaic trisomy chromosome 20; mosaic trisomy type 20; trisomy 20 mosaicism","Name":"Mosaic trisomy 20","estimateUsa":""}],"Organization_Supported_Diseases__c":[{"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:1724"},{"Age_At_Onset__c":"Antenatal","Provided_By__c":"ORPHA:1724"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.orpha.net/en/disease/detail/1724","Source__c":"C5979884; MONDO:0015764","Xref__c":"ORPHA:1724"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0015764","Source__c":"GARD:0018744","Xref__c":"MONDO:0015764"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5979884","Source__c":"C5979884","Xref__c":"C5979884"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1876689","Source__c":"C5979884","Xref__c":"MEDGEN:1876689"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=764624003","Source__c":"C5979884","Xref__c":"764624003"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A mild delay in the achievement of motor or mental milestones in the domains of development of a child.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011342","HPO_Synonym__c":"Global developmental delay, mild","HPO_Name__c":"Mild global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Exaggerated anterior convexity of the thoracic vertebral column.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002808","HPO_Synonym__c":"Gibbus deformity; Hunched back; Hyperkyphosis; Round back","HPO_Name__c":"Kyphosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal narrowing of the spinal canal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0003416","HPO_Synonym__c":"Narrow spinal canal; Spinal stenosis","HPO_Name__c":"Spinal canal stenosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","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:1724","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Floppiness/hypotonia is defined as reduced resistance to passive movement of joints. Physical examination of floppy/hypotonic infants shows head lag, lack of shoulder and elbow muscle contraction on traction response, inability to tighten the shoulder girdle muscles (or slipping through) when held under the axillae, scarf sign (when the arm is pulled to the opposite side, the arm wraps around the neck with the elbow crossing midline), hyperdorsiflexion of the feet, easy apposition of the thumb against the forearm, feet touching the cheek with ease and without discomfort, frog leg position, and inverted U sign on ventral suspension (head, arms, and legs hanging down without elbow or knee flexion and the trunk rounded in a dome shape).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0008947","HPO_Synonym__c":"Decreased muscle tone in infant; Hypotonia early; Hypotonia in infancy; Hypotonia, early; Infantile hypotonia; Infantile muscular hypotonia","HPO_Name__c":"Floppy infant","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality in which the mandible is mislocalised posteriorly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000278","HPO_Synonym__c":"Lower jaw retrognathia; Lower jaw retrusion; Mandibular retrognathia; Mandibular retrusion; Receding chin; Receding lower jaw; Receding mandible; Retrognathia of lower jaw; Retrusion of lower jaw; Weak chin; Weak jaw","HPO_Name__c":"Retrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A larger than usual distance between the left and right nipple.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006610","HPO_Synonym__c":"Wide-spaced nipples; Widely spaced nipples; Widely-spaced nipples","HPO_Name__c":"Wide intermamillary distance","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Constipation for longer than three months with fewer than 3 bowel movements per week, straining, lumpy or hard stools, and a sensation of anorectal obstruction or incomplete defecation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012450","HPO_Synonym__c":"Chronic constipation; Infrequent bowel movements","HPO_Name__c":"Chronic constipation","Feature_System__c":"Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","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:1724","HPO_Frequency__c":"Excluded (0%)","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:1724","HPO_Frequency__c":"Occasional (5-29%)","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:1724","HPO_Frequency__c":"Occasional (5-29%)","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:1724","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:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An angulation of a digit at an interphalangeal joint in the plane of the palm (finger) or sole (toe).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030084","HPO_Synonym__c":"Permanent curving of the finger","HPO_Name__c":"Clinodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A decreased magnitude of the sensory perception of sound.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000365","HPO_Synonym__c":"Deafness; Hearing defect; Hearing impairment; Hypacusis","HPO_Name__c":"Hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A developmental defect leading to the union of two adjacent vertebrae.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002948","HPO_Synonym__c":"Congenital spinal fusion; Congenitally fused vertebrae; Fusion of vertebral bodies; Vertebral body fusion","HPO_Name__c":"Vertebral fusion","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"The presence of an abnormal lateral curvature of the spine.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002650","HPO_Name__c":"Scoliosis","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","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:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001511","HPO_Synonym__c":"Fetal growth restriction; FGR; In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant","HPO_Name__c":"Intrauterine growth retardation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"An abnormality of the kidney.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000077","HPO_Synonym__c":"Abnormal kidney; Abnormality of the kidney; Renal anomalies; Renal anomaly","HPO_Name__c":"Abnormality of the kidney","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","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:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Low set, steeply sloping shoulders.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0200021","HPO_Synonym__c":"Down-sloping shoulders; Rounded shoulders; Rounded, sloping shoulders; Sloping shoulders","HPO_Name__c":"Down-sloping shoulders","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Any structural anomaly of the mitral valve.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001633","HPO_Synonym__c":"Abnormality of the mitral valve","HPO_Name__c":"Abnormal mitral valve morphology","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A structural abnormality of the spinal cord (myelon).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002143","HPO_Synonym__c":"Abnormality of the spinal cord","HPO_Name__c":"Abnormal spinal cord morphology","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007535","HPO_Name__c":"Hypopigmented streaks","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001260","HPO_Synonym__c":"Difficulty articulating speech; Dysarthric speech","HPO_Name__c":"Dysarthria","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A limitation of the ability to place the forearm in a position such that the palm faces anteriorly (supination) and to place the forearm in a position such that the palm faces posteriorly (pronation).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006394","HPO_Synonym__c":"Limited pronation/supination of forearm","HPO_Name__c":"Limited pronation/supination of forearm","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0007483","HPO_Name__c":"Depigmentation/hyperpigmentation of skin","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A degree of language development that is significantly below the norm for a child of a specified age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000750","HPO_Synonym__c":"Deficiency of speech development; Delayed language development; Delayed speech; Delayed speech acquisition; Delayed speech and language development; Delayed speech development; Impaired speech and language development; Impaired speech development; Language delay; Language delayed; Language development deficit; Late-onset speech development; Poor language development; Speech and language delay; Speech and language difficulties; Speech delay","HPO_Name__c":"Delayed speech and language development","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Increased inferior-superior length of the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000472","HPO_Synonym__c":"Cervical elongation; Elongated neck; Increased cervical length; Increased length of neck; Long neck","HPO_Name__c":"Long neck","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Asymmetry of the bones of the skull and the face.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0004484","HPO_Synonym__c":"Uneven craniofacial structures","HPO_Name__c":"Craniofacial asymmetry","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A gap in the lip or lips.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0410030","HPO_Synonym__c":"Cleft lip; Cleft of the lip","HPO_Name__c":"Cleft lip","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A congenital anomaly characterized by a joining (fusion) of two or more cervical vertebral bodies with one another.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002949","HPO_Synonym__c":"Cervical spine fusion; Cervical vertebral fusion; Fused neck; Fusion of cervical vertebrae","HPO_Name__c":"Fused cervical vertebrae","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Testis in inguinal canal. That is, absence of one or both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000028","HPO_Synonym__c":"Cryptorchism; Undescended testes; Undescended testis","HPO_Name__c":"Cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Impairment of certain skills such as reading or writing, coordination, self-control, or attention that interfere with the ability to learn. The impairment is not related to a global deficiency of intelligence.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001328","HPO_Name__c":"Specific learning disability","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Reduced width of the chest from side to side, associated with a reduced distance from the sternal notch to the tip of the shoulder.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000774","HPO_Synonym__c":"Low chest circumference; Narrow chest; Narrow shoulders; Narrow thorax; Reduced anterior-posterior chest diameter","HPO_Name__c":"Narrow chest","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A type of Developmental delay characterized by a delay in acquiring motor skills.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001270","HPO_Synonym__c":"Delay in development of motor milestones; Delay in motor development; Delayed development of motor milestones; Delayed early motor milestones; Delayed motor development; Delayed motor milestones; Locomotor delay; Motor developmental delay; Motor developmental milestones not achieved; Motor retardation; Retarded motor development; Slow development of motor milestones","HPO_Name__c":"Motor delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A congenital malformation of the tricuspid valve characterized by leaflet deformation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0030732","HPO_Synonym__c":"Tricuspid valve dysplasia","HPO_Name__c":"Dysplastic tricuspid valve","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:1724","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A hole between the two bottom chambers (ventricles) of the heart. The defect is centered around the most superior aspect of the ventricular septum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001629","HPO_Synonym__c":"Hole in heart wall separating two lower heart chambers; Ventricular septal defects; Ventriculoseptal defect; VSD","HPO_Name__c":"Ventricular septal defect","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Account":["Chromosomal Anomaly"],"Cause":["Chromosomal Anomaly","Genetics"],"Disease Category":["Genetics","Congenital Abnormality"],"Specialist":["Genetics","Pediatrics"]},"synonyms":["mosaic trisomy 20 syndrome"," mosaic trisomy chromosome 20"," mosaic trisomy type 20"," trisomy 20 mosaicism"]}