This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': '40 years female, mass in pelvis detected clinically, following investigations should be done except : \nSelect and explain. \nA. CT, B. Laparoscopy, C. Pap smear, D. USG', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Friends, before knowing the investigations which should be done in a 40-year-old female with pelvic mass detected clinically. It is important to know the D/D of pelvic mass in women of reproductive age.\nInvestigations to done :\n\nComplete pelvic examination including rectovaginal examination\nLab investigation - complete hemogram, ESR, a test of stool or occult blood\n\nPap smear\n\nUrine pregnancy test\nEndometrial sampling with endometrial biopsy or D and\nIf urinary symptoms are prominent: studies of the urinary tract may be necessary\n\nPelvic ultrasonography\n\nHysteroscopy (for intrauterine pathology)\nHSG\nMRI (for uterine anomalies)\n\nCT Scan.', 'role': 'assistant'}]