MC germ cell tumor is:: (A) Embryonal teratoma, (B) Dermoid, (C) Rhabdomyosarcoma, (D) Seminoma
Answer is D. Ans: D (Seminoma) (Ref: Sabiston 18th/1688]Classification of Germ Cell Tumors1. Benign: Mature teratomas, Dermoid cysts2. Malignant;i. Seminomasii. Non-seminomatous germ cell tumors:- Immature teratoma- Teratoma with malignant components- Choriocarcinoma- Embryonal cell (yolk sac) tumors- Mixed germ cell tumorsGerm cell tumors have the following subtypes and frequencies: Seminoma (40%), Embryonal tumors (25%) Teratocarcinomata (23%), teratomata (5%) Choriocarcinoma (1%) Others (5%)