Sinusitis affects millions of people each year. Recurrence of chronic sinus disease despite conventional medical or surgical treatment is a challenge to otorhinolaryngologists in the present day. The key to FESS is an understanding of underlying mechanisms of paranasal sinus disease. Fundamental to underlying pathology is the marked anatomic variation of lateral nasal wall causing ventilatory defects in the region of ostiomeatal complex, middle meatus and the anterior ethmoid. This area bears the brunt of inspiratory flow and it is here that particular impaction occurs..In FBSS, the primary intent is to remove ogstructing tissue in the region of osteomeatal complex so as to reestablish mucocilliary flow with natural drainage. However this is only the tip of the iceberg, there are many other factors to be taken care of, so that clinical utility of this technique comes into use where the aim is high success rate, maximal safety, relative ease of leamins and its feasibility.100 patients were taken up for study for a duration of 2 years with mean, follow up of 15 months, in each case, in the department of ENT, JNMCH, AMU Aligarh.
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