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': 'A 25-years old married male presents with infertility. He had undergone retroperitoneal lymph node dissection at age of 15 years for embryonal carcinoma of right testis. Semen analysis shows-quantity-0.5 ml, no. sperm, no fructose. Biopsy of testis shows normal spermatogenesis. Best treatment here would be: \nSelect and explain. \nA. Artificial insemination of donor, B. Penile-prosthesis, C. Micro testicular aspiration and intracytoplasmic injection, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Microtesticular aspiration and intracytoplasmic injectionRef: Smith 17th Edition, Pages 710-711* For patients having normal spermatogenesis and problem in sperm transport we do Sperm aspiration from Vas or Epididymis or Testis and injected into cytoplasm. (In vitro Fertilization Technique- IVF)', 'role': 'assistant'}]