This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Male Genital Tract, Subject name: Pathology
All are true about seminomas except: 
Select and explain. 
A. Most common type of germ cell tumor, B. Anaplastic seminomas is associated with a worse prognosis, C. Almost never occur in infants, D. Spermatocytic seminoma is slow growing with good prognosis
B: Anaplastic seminomas is associated with a worse prognosis
Answer: B: Anaplastic seminomas is associated with a worse prognosis 
Explanation: Ans. (b) Anaplastic seminomas is associated with a worse prognosis(Ref: Genitourinary Pathology: A Volume in the Series: pg610)The term anaplastic seminoma is used when seminoma shows pleomorphism, robust mitotic activity and scant lymphocytic infiltrate. Anaplastic semioma has same prognosis as classical seminoma.