Choanal polyp of sphenoid sinus origin is a rare entity and it may be confused with antrochoanal polyp because it presents in a similar manner to antrochoanal polyp. Computerized tomography and nasal endoscopy are used in the diagnosis of these masses. Simple polypectomy. which leaves some part of polyp inside the sphenoid sinus. https://leoners.shop/product-category/glass-chiller/