Marker for seminoma testis is -
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.
Alfa - fetoprotein
Carcinoembryonic antigens
HCG
Acid phosphatase