Genetic counseling (Geneva, Switzerland), cilt.18, sa.4, ss.393-9, 2007 (SCI-Expanded)
Marker or ring X chromosomes are frequently seen in Ullrich-Turner Syndrome with 46,X,r(X) karyotype, but only 8 children were reported with an extra marker X chromosome in at least some of their cell lines, we describe a 5 years old mate patient who is mosaic (17%) for a cell line with an extra ring shaped marker X chromosome in addition to a normal 46,XY cell line.