This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnostic and operative ENT, Subject name: ENT
Indications of FESS 
Select and explain. 
A. Inveed papilloma, B. Nasal allergic polyposis, C. Mucocele, D. Carcinoma of maxilla
A: Inveed papilloma
Answer: A: Inveed papilloma 
Explanation: INDICATIONS : 1. Chronic bacterial sinusitis unresponsive to adequate medical treatment. 2. Recurrent acute bacterial sinusitis. 3. Polypoid rhinosinusitis (diffuse nasal polyposis). 4. Fungal sinusitis with fungal ball or nasal polypi. 5. Antrochoanal polyp. 6. Mucocele of frontoethmoid or sphenoid sinus. 7. Control of epistaxis by endoscopic cautery. 8. Removal of foreign body from the nose or sinus. 9. Endoscopic septoplasty. Ref: Dhingra 7e pg 477