This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': 'A 13 years boy presented with swelling in the cheek with recurrent epistaxis. Most likely diagnosis is \nSelect and explain. \nA. Angiofibroma, B. Carcinoma nasopharynx, C. Rhabdomyosarcoma, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: (Angio fibroma) (230-Dhingra 4th)* Nasopharyngeal Fibroma (Juvenile nasopharyngeal angiofibroma)Clinical features* Almost exclusively in male age 10-20 years* Profuse and recurrent epistaxis *** Progressive nasal obstruction and denasal speech* Conductive hearing and serous otitis media* Mass in the masopharynx* Other clinical features like - broadening of the nasal bridge, proptosis, swelling of chest infratemporal fossa or involvement of Ilnd, Illrd , IVth Vlth cranial nerve* CT-scan of the head with contrast enhancement is now the investigation of choice* Surgical excision Transpalatinei Sublabial (Sardana's approach) is now the treatment of choice", 'role': 'assistant'}]