This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Anatomy
Placental alkaline phosphatase is marker of 
Select and explain. 
A. Theca cell tumour, B. Teratoma, C. Choriocarcinoma, D. Seminoma
D: Seminoma
Answer: D: Seminoma 
Explanation: Placental alkaline phosphatase is a marker of seminoma. Also know Gamma-glutamyl-transpeptidase is marker of - seminoma testis AFP is not produced by - seminomas and Choriocarcinomas