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: Pathology
Testicular teratoma has all marker EXCEPT 
Select and explain. 
A. AFP, B. HCG, C. CEA, D. LDH
C: CEA
Answer: C: CEA 
Explanation: CEA REF: Harrison's 17th ed p. 551 CEA is not a testicular tumor marker Teratoma is a non seminomatous tumor of testis. Marker Increased in Beta HCG Both seminoma and non-seminoma AFP Only in non-seminoma LDH Both seminoma and non-seminoma