Which one of the following is not used as a tumor marker in testicular tumors?
High-Yield Explanation
CEA is an oncofetal antigen and may be used as a tumor marker in adenocarcinoma of colon, pancreas, lung, breast, and ovary. However not used as a marker for germ cell tumorsTumor markers for germ cell tumors:Alpha-fetoprotein seen in non-seminomatous germ cell tumorsHCG: 1. non-seminomatous germ cell tumors; 2. Non-seminomatous germ cell tumorsOthers:LDHPlacental alkaline phosphatase(Ref: Harrison's 18/e p652, table 81-6)