<prompt> Testicular hypoechoic mass with back pain in a patient of age 30 years. Best tumor marker?AFPCalcitoninCA 19-9CEA  <response>: Ans. a AFPRef: Campbell 11th Edition, Page 790 Seminomas occurs at a later age 40 years compared to non seminomas 40 years Non seminomatous tumors appear as Hypoechoic mass lesion in Testis. Chevasu maneuver is the method of taking biopsy Trans-scrotal biopsy is contraindicated Tumor markers for Non seminomatous tumors are - AFP and HCG. 