03-26-2010, 04:52 AM
A 28-year-old man who had his right cryptorchid testis removed as a child develops painless enlargement of the left testicle, which is now in the left scrotal sac. The enlarged testicle does not transilluminate. Serum human chorionic gonadotropin and α-fetoprotein are absent. Which of the following is the most likely diagnosis?
A. Choriocarcinoma
B. Hydrocele
C. Seminoma
D. Varicocele
E. Yolk sac tumor
A. Choriocarcinoma
B. Hydrocele
C. Seminoma
D. Varicocele
E. Yolk sac tumor