Ovarian Germ Cell Tumors

Embryonic Cyst Ovary

Ovarian GCTs account for approximately 25 to 30 of all ovarian tumors. The classification of the World Health Organization recognizes several entities that roughly correspond to testicular GCTs Table 4-2 . Most ovarian GCTs are classified as benign ter-atomas dermoid cysts , which account for 95 of all ovarian GCTs.21 Most patients are younger than 30 years of age. In the first two decades, ovarian GCTs account for 60 of all ovarian tumors, one-third of which are malignant.40,41 Dysgerminoma is...

Urogenital Conditions Associated With Testicular Cancer

Cryptorchidism is a common congenital disorder in which one or both testicles fail to descend into the scrotum before birth. Over half of the boys who are born with cryptorchidism experience spontaneous testicular descent during the first year of life. A history of persistent cryptorchidism, in which spontaneous descent does not occur, is the major established risk factor for testicular cancer. Epidemiologic studies consistently find associations between a personal history of cryptorchidism and...