Preoperative imaging anatomy of nasal-ethmoid complex for functional endoscopic sinus surgery.

Endoscopic sinus surgery has become an increasingly popular surgical procedure. Functional endoscopic sinus surgery is based on the hypothesis that the ostiomeatal complex is the key area in the pathogenesis of chronic sinusitis. This article discusses the concept of functional endoscopic sinus surgery, the anatomy of the ostiomeatal complex, and the imaging anatomy of the ostiomeatal complex.