Leschot N J, Wolf H, Weenink G H
Department of Human Genetics, University of Amsterdam, The Netherlands.
Clin Genet. 1988 Sep;34(3):204-5. doi: 10.1111/j.1399-0004.1988.tb02864.x.
A discrepancy is reported between the karyotypes of chorionic cells (direct method):46,XX and of cultured amniotic fluid cells: 47,XX, + 18 in a pregnancy of 30 weeks. A stillborn girl, with external signs of trisomy 18 syndrome, was subsequently shown to have a mosaic pattern in both the lymphocytes and the placenta.
