الفهرس | Only 14 pages are availabe for public view |
Abstract Endoscopic sinus surgery is seen as the standard treatment in clinically challenging chronic rhinosinusitis (CRS) and in the Sinonasal polyposis. Functional endoscopic sinus surgery (FESS) is minimally invasive surgical procedure that opens the paranasal sinus ostia using endoscopic. Adhesions remain one of the most common causes of recurrent nasal symptoms after endoscopic sinus surgery which necessitate revision sinus surgery. |