This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Which among the following is a marker for testicular carcinoma? 
Select and explain. 
A. PSA, B. b-HCG, C. LH, D. FSH
B: b-HCG
Answer: B: b-HCG 
Explanation: Beta hCG is elevated in 40-60% of cases with testicular cancer. It is seen in choriocarcinoma, embryonal cell carcinoma and pure seminoma.