This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ENT Q Bank, Subject name: ENT
[{'content': 'A 16 years old girl presented with history of nasal obstruction for last 2 months. A CT Scan was done and following findings are seen. What is the most likely diagnosis? \nSelect and explain. \nA. Juvenile Nasopharyngeal Angiofibroma, B. Antrochoanal polyp, C. Nasopharyngeal carcinoma, D. Adenoid Hyperophy', 'role': 'user'}, {'content': "Answer: B \nExplanation: CT Scan picture shows Crescent sign or Dodd's Sign seen in Antrochoanal Polyp Adenoid hyperophy: Dodd's Sign is negative JNAF- Epistaxis in adolescent males NPC- Old age, presents generally with Neck node metastasis", 'role': 'assistant'}]