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20p12.3 microdeletion syndrome

1 associated gene
24 signs/symptoms

PROTEIN INTERACTIONS: 1
COMMON SIGNS: 1

Otospondylomegaepiphyseal dysplasia

1 OMIM reference -
2 associated genes
19 signs/symptoms

20p12.3 microdeletion syndrome

Otospondylomegaepiphyseal dysplasia

BMP2	(UniProt - OMIM)		COL11A2	(UniProt - OMIM)
			COL2A1	(UniProt - OMIM)


INTERACTOME ASSOCIATIONS (click on a score value to see the evidence)	BMP2	(0.79)	COL2A1

Citations in the biomedical literature:

20p12.3 microdeletion syndrome		Otospondylomegaepiphyseal dysplasia
	Synonym(s): - Del(20)(p12.3) - Monosomy 20p12.3		Synonym(s): - OSMED

	Classification (Orphanet): - Rare developmental defect during embryogenesis - Rare genetic disease		Classification (Orphanet): - Rare bone disease - Rare developmental defect during embryogenesis - Rare genetic disease

	Classification (ICD10): - Congenital malformations, deformations and chromosomal abnormalities -		Classification (ICD10): - Congenital malformations, deformations and chromosomal abnormalities -

	Epidemiological data: Class of prevalence: <1 / 1 000 000 Average age onset: neonatal/infancy Average age of death: - Type of inheritance: sporadic		Epidemiological data: Class of prevalence: <1 / 1 000 000 Average age onset: neonatal/infancy Average age of death: - Type of inheritance: autosomal recessive

	External references: No OMIM references No MeSH references		External references: 1 OMIM reference - No MeSH references


COMMON SIGNS	- Flat cheek bones / malar hypoplasia

20p12.3 microdeletion syndrome		Otospondylomegaepiphyseal dysplasia
	Very frequent - Hypertelorism - Insterstitial / subtelomeric microdeletion / deletion - Intellectual deficit / mental / psychomotor retardation / learning disability Frequent - Cardiac conduction defect / sinoauricular / heart / auriculoventricular / branch block - Downslanted palpebral fissures / anti-mongoloid slanting palpebral fissures - Epicanthic folds - Hypoplastic maxillary bones / zygomatic bones / maxillary hypoplasia - Macrocephaly / macrocrania / megalocephaly / megacephaly - Microstomia / little mouth - Short stature / dwarfism / nanism Occasional - Atrial septal defect / interauricular communication - Broad cheeks / cherub-like / cherubin face - Broad nasal root - Broad nose / nasal bridge - Broad / bifid big toe - Broad / bifid thumb - Dilated cerebral ventricles without hydrocephaly - Helix thickened / sculpted - Hypotonia - Long philtrum - Microtia / cryptomicrotia / anotia / external auditory canal / pinnae aplasia / hypoplasia - Pectus carinatum - Seizures / epilepsy / absences / spasms / status epilepticus		Very frequent - Abnormal vertebral size / shape - Anteverted nares / nostrils - Autosomal recessive inheritance - Cleft palate without cleft lip / submucosal cleft palate / bifid uvula - Flattened nose - Mesomelic micromelia - Metaphyseal anomaly - Restricted joint mobility / joint stiffness / ankylosis - Sensorineural deafness / hearing loss Frequent - Capillary hemangioma / nevus / naevus flammeus / port-wine stain - Failure to thrive / difficulties for feeding in infancy / growth delay - Immunodeficiency / increased susceptibility to infections / recurrent infections - Kyphosis - Lordosis Occasional - Carpal bones fusion / synostosis - Defect / anomaly of lacrimal system - Strabismus / squint - Ventricular septal defect / interventricular communication