Cholesterol granuloma (CG) is a foreign body reaction to the deposition of cholesterol crystals, usually found in association to chronic middle ear diseases, and highly uncommon in the paranasal sinuses. This article reports a case of a 30 year-old man, with complaints of postnasal discharge, cough and itching in bilateral ears. CT imaging showed polypoidal mass in left
maxillary sinus. Endoscopic sinus surgery was performed, the cholesterol granuloma was removed from left maxillary sinus and tissue was submitted in our department for histopathological examination. It microscopically showed foreign body giant cell reaction to cholesterol crystals.
cholesterol granuloma of maxillary sinus, giant cell reaction