“…2,5,9 Preoperative CT scan determines the extent of the lesion and accordingly helps in the choice of surgical approach. 2,3,7,9,12,15 However, the recommended approaches vary according to the surgeon's experience and preference. Stammberger 4 advocated the use of endoscopic sinus surgery (ESS) for all cases, whereas Kennedy 15 recommended the use of ESS for limited cases without extra sinus extension.…”