<prompt> All are true about seminomas except:Most common type of germ cell tumorAnaplastic seminomas is associated with a worse prognosisAlmost never occur in infantsSpermatocytic seminoma is slow growing with good prognosis  <response>: Ans. b Anaplastic seminomas is associated with a worse prognosisRef: Genitourinary Pathology: A Volume in the Series: pg610The term anaplastic seminoma is used when seminoma shows pleomorphism, robust mitotic activity and scant lymphocytic infiltrate. Anaplastic semioma has same prognosis as classical seminoma. 