P. Czauderna et al., ASSOCIATION OF KLINEFELTER SYNDROME AND ABDOMINAL TERATOMA - A CASE-REPORT, Journal of pediatric surgery, 33(5), 1998, pp. 774-775
Extragonadal germ cell tumors are rare. The association with Klinefelt
er syndrome has become observed recently. A case of an Ii-month-old in
fant with Klinefelter syndrome and a retroperitoneal mature teratoma i
s presented. In the tumor and lymphocytes, a 47,XXY karyotype was foun
d. The association of Klinefelter syndrome with germ cell tumors and i
ts possible explanations are discussed. Copyright (C) 1998 by W.B. Sau
nders Company.