Description of the disease * EnglishPolish Pobierz sekcję do PDF Definicja 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. Disease data Klasyfikacja Malformation syndrome Synonimy Mosaic trisomy chromosome 20 Trisomy 20 mosaicism Kod ORPHA 1724 Kod OMIM - Kod ICD10 Q92.1 Kod ICD11 - *Soruce Extended description of the disease Pobierz sekcję do PDF No additional description. Orphanet - interntowa baza danych dotyczących rzadkich chorób i sierochych leków. ©INSERM 1999 - Dostępna na stronie www.orphanet.pl