The natural history of trisomy 12p

Abstract excerpt

Trisomy of the short arm of chromosome 12 is a rare chromosomal anomaly, with an estimated incidence of 1/50,000 births. It may present as a pure trisomy (complete or incomplete), as mosaic trisomy, or with other chromosomal abnormalities. Little is known from prior reports about the natural history and life expectancy of these individuals. In this study we describe the long-term outcome and the differences...

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