21. Surgery No . 5 in February 1998, when multiple teratomas were removed from his pelvic area. 22. Last November, he underwent cryotherapy at Brigham and Women's to disolve yet another teratoma . 23. Beyond the newborn period, symptoms of a teratoma depend on its location and organ of origin. 24. Regardless of location in the body, a teratoma is classified according to a cancer staging system. 25. This hormone is not recommended as a diagnostic marker, because most teratomas do not secrete it. 26. The term is most often applied to teratoma on the skull sutures and in the ovaries of females. 27. A pilonidal cyst can resemble a dermoid cyst, a kind of teratoma ( germ cell tumor ). 28. A large minority of patients with a mediastinal teratoma ( including dermoid cyst ) will cough up hair. 29. Often serum and spinal fluid tumor markers of immature teratomas and beta-HCG which occur in choriocarcinomas. 30. Other less common liver cancers include carcinosarcomas, teratomas , yolk sac tumours, carcinoid tumours and lymphomas.
