Nasal polyps develop in patients with:: (A) Aspirin intolerance, (B) Fungal sinusitis, (C) Chronic rhinosinusitis of non-allergic origin, (D) All of the above
Answer is D. Aetiology of nasal polyp formation is not well-understood. They are seen in:(i). Aspirin intolerance(ii). Allergic fungal sinusitis(iii). Chronic rhinosinusitis of both allergic and non-allergic origin(iv). Cystic fibrosis(v). Disorders of ciliary motility(vi). Churg-Strauss syndrome (asthma, fever, vasculitis and granuloma).