This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urethra & Penis, Subject name: Surgery
[{'content': 'Which of the following investigation is used to confirm anorchia? \nSelect and explain. \nA. PET, B. MRI, C. Laparoscopy, D. USG', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. (c) LaparoscopyRef: Smith 17th Edition, Page 25* Gold standard investigation for non-palpable testis is diagnostic laparoscopy* Blind ended testicular artery implies absence of testis.* Blind ended Vas doesn't conclude absent testis", 'role': 'assistant'}]