The role of CT in functional endoscopic sinus surgery.

摘要: The intricate anatomy of the paranasal sinus unit (sinus/nasal cavities and ostia) its relations to orbit anterior cranial fossa make accurate pre-operative evaluation disease in this region mandatory before undertaking functional endoscopic surgery (FESS). Plain radiography often fails provide vital information cases chronic rhinosinusitis, especially ethmoid labyrinth, which is a key area unit. Computerized tomography has significantly enhanced scope by offering surgeon hitherto inaccessible regarding status. In article, we review pros cons two imaging modalities, present our experience fo 70 CT scans patients FESS. We also propose surgical classification findings. All all, plain radiographs prove be little value for assessment FESS, while are an essential tool.