An Isolated Sphenochoanal Polyp: A Case Revisited With Review of Literature

Nasal polyps are the end result of chronic inammatory disease of mucosa of the nose and mucosa of paranasal sinuses. According to the paranasal sinus of origin, those arising in the maxillary sinus are known as antrochoanal, those emerging from the sphenoid sinus as sphenochoanal, and those from the ethmoid sinus as ethmochoanal polyps. (1)(2) Sphenoid polyp though rare is often confused with Antrochoanal polyp because both are single, pedunculated and usually unilateral. (3) Nasal mass in sphenoethmoidal recess can be sometimes neoplastic like inverted papilloma.