Marker for seminoma testis is -: (A) Alfa - fetoprotein, (B) Carcinoembryonic antigens, (C) HCG, (D) Acid phosphatase
Answer is C. Normally seminoma cells do not contain AFP and HCG.
"Approximately 15% of seminomas contains syncytiotrophoblasts which secret HCG"  ------ Robbin's 1042
Seminoma is positive for placental alkaline phosphatase and keratin.