Placental alkaline phosphates is marker of:: (A) Theca cell tumour, (B) Teratoma, (C) Choriocarcinoma, (D) Seminoma
Answer is D. PLAP-most useful marker for bulk disease. Tumour marker for seminoma is PLAP. BETA HCG is also raised in 5-10% of pure seminomas as they contain syncytiotrophoblast like giant cells.