Abstract
IntroductionThe variations of paranasal air sinuses are not uncommon and often pose a risk during a sinus surgery therefore knowledge of these variations is of great significance to rhinologist and E.N.T surgeons. The present study deals with these variations by computerized tomography scanning (CT scan) in adult individuals. MethodsCT scans of 100 patients were procured from Department of Radiology, Kamineni Institute of Medical Sciences, Narketpally, Andhra Pradesh. The scans were studied in both coronal and axial planes. ResultsThe variations found include deviated nasal septum, concha bullosa, paradoxical middle concha, Haller cells, agger nasi cells, Onodi cells and pneumatised inferior concha. A higher incidence of agger nasi cells was found followed by Haller cells and deviated nasal septum. The least variant was inferior concha anomaly followed by Onodi cells. DiscussionThe precise details of variations of paranasal sinuses can now be visualized by CT scan imaging. These observations are of paramount significance to prevent unnecessary complications during sinus surgery.
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