{"Name":"20q11.2 microdeletion syndrome","DiseaseID__c":"GARD:0021859","id":21859,"encodedName":"20q112-microdeletion-syndrome","IsDeleted":false,"Disease_Name_Full__c":"20q11.2 microdeletion syndrome","Xref_IDs__c":"1229891004; C5680063; MEDGEN:1810637; MONDO:0018633; ORPHA:444051","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":4,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"1 to 8,000","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:0018633","Disease_Description__c":"A rare, genetic, syndromic intellectual disability characterized by psychomotor delay, hypotonia, feeding difficulties, failure to thrive, anomalies of the hands and feet (clinodactyly, camptodactyly, brachydactyly, feet malposition), and craniofacial dysmorphism. Associated prenatal growth retardation, and gastrointestinal, heart and eye anomalies have been reported.","GARD_Name__c":"20q11.2 microdeletion syndrome","GARD_Synonym__c":"del(20)(q11.2); monosomy 20q11","Curated_Disease_Description_Source__c":"MONDO:0018633","Curated_Disease_Description__c":"A rare, genetic, syndromic intellectual disability characterized by psychomotor delay, hypotonia, feeding difficulties, failure to thrive, anomalies of the hands and feet (clinodactyly, camptodactyly, brachydactyly, feet malposition), and craniofacial dysmorphism. Associated prenatal growth retardation, and gastrointestinal, heart and eye anomalies have been reported.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"during Pregnancy and as a Newborn","SourceID__c":"ORPHA:444051","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0018633","ORPHANET_ID__c":"ORPHA:444051","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome de microdeleción 20q11.2","Spanish_Description_Source__c":"ORPHA:444051","Spanish_Description__c":"Es una discapacidad intelectual sindrómica de origen genético, poco frecuente, caracterizada por retraso psicomotor, hipotonía, dificultades de la alimentación, fallo de medro, anomalías en las manos y los pies (clinodactilia, camptodactilia, braquidactilia, malposición de los pies) y dismorfia craneofacial. También se ha descrito retraso del crecimiento prenatal, así como anomalías gastrointestinales, cardíacas y oculares.","Spanish_Disease_Name__c":"síndrome de microdeleción 20q11.2","Spanish_GARD_Synonym__c":"del(20)(q11.2); monosomía 20q11","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, genetic, syndromic intellectual disability characterized by psychomotor delay, hypotonia, feeding difficulties, failure to thrive, anomalies of the hands and feet (clinodactyly, camptodactyly, brachydactyly, feet malposition), and craniofacial dysmorphism. Associated prenatal growth retardation, and gastrointestinal, heart and eye anomalies have been reported.","Curated_Disease_Description_Source__c":"MONDO:0018633","GARD_Synonym__c":"del(20)(q11.2); monosomy 20q11","Name":"20q11.2 microdeletion syndrome","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"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":"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":"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":"Antenatal","Provided_By__c":"ORPHA:444051"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:444051"}],"External_Identifier_Disease__c":[{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C5680063","Source__c":"C5680063","Xref__c":"C5680063"},{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=1810637","Source__c":"C5680063","Xref__c":"MEDGEN:1810637"},{"URL__c":"https://www.orpha.net/en/disease/detail/444051","Source__c":"C5680063; MONDO:0018633; ORPHA:444051","Xref__c":"ORPHA:444051"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0018633","Source__c":"GARD:0021859","Xref__c":"MONDO:0018633"},{"URL__c":"https://browser.ihtsdotools.org/?perspective=full&conceptId1=1229891004","Source__c":"C5680063","Xref__c":"1229891004"}],"GARD_Disease_Feature__c":[{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormally increased height of the forehead.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000348","HPO_Synonym__c":"High forehead","HPO_Name__c":"High forehead","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"In the resting position, the tip of the thumb is on, or near, the palm, close to the base of the fourth or fifth finger.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001181","HPO_Synonym__c":"Adducted thumbs; Inward turned thumb; Thumb-in-palm deformity; Thumb-in-palm pattern","HPO_Name__c":"Adducted thumb","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormality of the ear.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000598","HPO_Synonym__c":"Abnormality of the ear; Ear anomaly","HPO_Name__c":"Abnormality of the ear","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Very frequent (80-99%)","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:444051","HPO_Frequency__c":"Always (100%)","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:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Talipes calcaneovalgus is a flexible foot deformity (as opposed to a rigid congenital vertical talus foot deformity) that can either present as a positional or structural foot deformity depending on severity and/or causality. The axis of calcaneovalgus deformity is in the tibiotalar joint, where the foot is positioned in extreme hyperextension. On inspection, the foot has an \\\"up and out\\\" appearance, with the dorsal forefoot practically touching the anterior aspect of the ankle and lower leg.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001884","HPO_Synonym__c":"Pes calcaneovarus","HPO_Name__c":"Talipes calcaneovalgus","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Always (100%)","Feature__r":{"HPO_Description__c":"An eye that is more deeply recessed into the plane of the face than is typical.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000490","HPO_Synonym__c":"Deep set eye; Deep-set eyes; Deeply set eye; Enophthalmos; Ocular depression; Sunken eye; Sunken eyes","HPO_Name__c":"Deeply set eye","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Any abnormality of the eye, including location, spacing, and intraocular abnormalities.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000478","HPO_Synonym__c":"Abnormal eye; Abnormality of the eye","HPO_Name__c":"Abnormality of the eye","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Atypical behavior is an abnormality in a person's actions that can be controlled or modulated by the will of the individual. While abnormal behaviors can be difficult to control, they are distinct from other abnormal actions that cannot be affected by the individual's will.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000708","HPO_Synonym__c":"Behavioral abnormality; Behavioral changes; Behavioral disorders; Behavioral disturbances; Behavioral problems; Behavioral symptoms; Behavioral/psychiatric abnormalities; Behavioural symptoms; Behavioural/Psychiatric abnormality; Psychiatric disorders; Psychiatric disturbances","HPO_Name__c":"Atypical behavior","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A developmental structural anomaly of the stalk-like part of the brain that comprises the midbrain (aka mesencephalon), the pons (aka pons Varolii), and the medulla oblongata, and connects the cerebral hemispheres with the cervical spinal cord.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002508","HPO_Synonym__c":"Brainstem hypoplasia/dysplasia; Malformation of brainstem structures","HPO_Name__c":"Brainstem dysplasia","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012385","HPO_Synonym__c":"Permanent flexion of the finger or toe","HPO_Name__c":"Camptodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Distance between nasal base and midline upper lip vermilion border more than 2 SD below the mean. Alternatively, an apparently decreased distance between nasal base and midline upper lip vermilion border.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000322","HPO_Synonym__c":"Decreased height of philtrum; Decreased length of philtrum; Decreased vertical dimension of philtrum; Vertical hypoplasia of philtrum","HPO_Name__c":"Short philtrum","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","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:444051","HPO_Frequency__c":"Frequent (30-79%)","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:444051","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0040019","HPO_Name__c":"Finger clinodactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","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:444051","HPO_Frequency__c":"Frequent (30-79%)","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:444051","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001156","HPO_Synonym__c":"Brachydactyly syndrome; Short fingers or toes","HPO_Name__c":"Brachydactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"ORPHA:444051","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"}}],"tags":{"Account":["Chromosomal Anomaly"],"Cause":["Chromosomal Anomaly","Genetics"],"Disease Category":["Genetics","Neurology","Congenital Abnormality"],"Specialist":["Genetics","Neurology","Neurodevelopmental disabilities","Pediatrics"]},"synonyms":["del(20)(q11.2)"," monosomy 20q11"]}