has characteristic has characteristic disease arises from structure disease arises from alteration in structure chromosome 22 (Human) mosaic trisomy 22 https://rarediseases.info.nih.gov/diseases/6085/mosaic-trisomy-22 https://www.malacards.org/card/mosaic_trisomy_22 Mosaic trisomy chromosome 22 MEDGEN:419045 MESH:C536796 trisomy 22 mosaicism Mosaic trisomy 22 isa chromosome disorder in which chromosome 22 is present three times, instead of the usual two times, in some cells of the body. The range and severity of the disorder can vary widely. Some of the features that have been associated with this conditioninclude growth delays,cognitive deficiencies, unequal developmentof the two sides of the body (hemidystrophy), webbing of the neck, abnormal deviation of the elbows when extended (cubitus valgus), multiple pigmented moles or birthmarks, distinctive malformations of the head and face, and other physical abnormalities. A number of cases of children with mosaic trisomy 22 and normal growth and development have also been described. Mosaic trisomy type 22 GARD:0006085 MONDO:0019869 UMLS:C2931326 SCTID:764625002 Orphanet:96068 NORD:949 trisomy 22 mosaic trisomy