Anatomical variation in the sphenoidal sinuses in patients with chronic rhinosinusitis: A CT scan study.

Unlabelled: Computerized tomography (CT) of the skull base region has become an indispensable tool for endoscopic sinonasal surgery.

Objectives: Fundamental knowledge of the sinus anatomy is crucial for preoperative surgical planning. The aim of this research was to evaluate associations between the anatomical variations sphenoidal sinuses and chronic rhinosinusitis (CRS) by using CT.