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: Surgery
All of the following testicular tumours are germ cell tumours EXCEPT: March 2013 (b) 
Select and explain. 
A. Seminoma, B. Teratoma, C. Choriocarcinoma, D. Seoli cell tumour
D: Seoli cell tumour
Answer: D: Seoli cell tumour 
Explanation: Ans. D i.e. Seoli cell tumour Testicular carcinoma Bilateral in 10% of cases, Abdominal cryptorchid testes are at higher risk as compared to inguinal cryptorchid testes Testicular feminization syndrome increases the risk of testicular germ cell tumour MC Ca of testes in young: Seminoma MC Ca in elderly: Lymphoma MC Ca in infants: Yolk sac tumour Seminoma Radiosensitive, Corresponds to dysgerminoma of ovary & Treatment of choice is: Surgery