A case of trisomy 8 mosaicism 47, xx + 8/46, xx

The cytogenic study is reported of a female infant affected with several malformations and presenting a mosaicism of the type 47,XX,+8/46,XX in her karyotype. G-band analysis and the distribution curves of these bands were studied in order to obtain a more objective identification of trisomy 8. Results of Q-banding, X-chromatin and dermatoglyphic studies are given and compared with previous reports.