chapter  12
Imaging of the Upper Airway and Sinuses
ByJohn A. Arrington
Pages 24

The diagnosis and treatment of in ammatory sinonasal disease has improved during the past 10-15 years. Understanding the normal mucociliary drainage of the paranasal sinuses and physiology of the sinonasal cavity and advances in the endoscopic evaluation of the sinonasal region has led to this improvement and to the evolution of functional endoscopic sinus surgery (FESS). The development

of the sinonasal cavity spurred the advancement of computed tomography (CT) of the nasal cavity and sinuses.