Abstract

A precise knowledge of the anatomy of the paranasal sinuses is essential for the clinician. Conventional radiology does not permit a detailed study of the nasal cavity and paranasal sinuses, and has now largely been replaced by computerized tomographic (CT) imaging. This gives an applied anatomical view of the region and the anatomical variants that are very often found. All the patients who satisfied the inclusion criteria of the study were subjected to history taking and physical examination to identify clinical signs at presentation. Then the patients were subjected to CT scan of nose and paranasal sinus region and the anatomy of the sinonasal region was thoroughly assessed after a probable diagnosis was made. The most common anatomical variation was Deviated nasal septum which was seen in 60% of the patients. The next most common anatomical variation was concha bullosa which was seen in 54% of patients. In optic nerve variations Type I was the most common type (84%). In ethmoid roof variations Kero’s Type II was the most common type (80%).

Description