Article
A revisit of trisomy 20 mosaicism in prenatal diagnosis--an overview of 103 cases.
Prenatal diagnosis - 1 Jan 1991
Hsu L Y, Kaffe S, Perlis T E
Abstract excerpt
One hundred and three cases with prenatal diagnosis of trisomy 20 mosaicism through amniocentesis were reviewed. Approximately 90 per cent (90/101) of the cases were associated with grossly normal phenotype. It is likely that, in the majority of cases, cells with trisomy 20 were extraembryonic in origin or largely confined to the placenta. However, in some cases, the cells with trisomy 20 were confined to certain...
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