Dysgerminoma in a 10-Year Old with 45X/46XY Turner Syndrome Mosaicism
Tazim Dowlut-McElroy1, Denise A Vilchez2, Eugenio M Taboada3
1Department of Surgery, Children's Mercy Hospitals, Kansas City, MO.
Background:
Turner syndrome is a genetic disorder resulting from the absence of or structural abnormality of one X chromosome. The presence of Y chromosome material in girls with Turner syndrome confers an increased risk of benign and malignant germ cell tumor and prophylactic bilateral gonadectomy is recommended.
Case:
A 10-year-old Turner mosaic syndrome (45X/46XY) patient underwent prophylactic gonadectomy after unremarkable preoperative pelvic imaging. Histopathology showed a streak right gonad, and left gonad with gonadoblastoma with limited degree of infiltrating germinoma.
Summaryand Conclusion:
Gonadoblastoma and dysgerminoma have been reported in girls with Turner mosaic who carry Y chromosome material. Prophylactic gonadectomy should be considered in these girls without delay.
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