This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'Which of the following is not true about juvenile angiofibroma \nSelect and explain. \nA. Biopsy for diagnosis, B. Benign tumor, C. Surgical excision, D. Second decade', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Diagnosis is mostly based on the clinical picture. Biopsy of a tumour will present with profuse bleeding and is, therefore, avoided. If it is essential to differentiate it from other tumours, a biopsy can be done under general anaesthesia with all arrangements to control bleeding and transfuse blood. (Ref: Diseases of ear, nose and throat, PL Dhingra, 7th edition, page 280)', 'role': 'assistant'}]