<prompt> Shyam, a 50 years old male presents with a hard scrotal swelling. All of the following can be done EXCEPT :Testicular biopsyChest x-rayInguinal explorationCT abdomen  <response>: Ans. is a ie. testicular biopsy Ref Harrison, 17e p601 16e p550, 15e p617As already explained in Nov. 2001 paper.a testicular biopsy more specifically a trans-scrotal testicular biopsy is not done, rather is contraindicated.A suspected scrotal mass is investigated by ultrasonography on finding a testicular mass, a radical inguinal orchiectomy is done. A trans-scrotal testicular biopsy would breach anatomical barriers and would spread the tumor. 