Abstract
AbstractSurgery of the frontal sinus has gone a full circle from intranasal procedures to destructive and disfiguring external operations and now back to intranasal procedures but with endoscopes. Endoscopic surgery of the frontal sinus has always been a challenging experience because of the narrowness of the area, poor visibility, variable anatomy and encroachment by accessory cells such as agger nasi, frontal, intersinus septal cells on the drainage pathway. With the developments in optical aids such as endoscopes, which provide an angled view, better and brighter illumination, sophistication in the designs of instrumentation and development of imaging techniques, a renewed interest has been created in this area, but the knowledge of anatomy of this area is poor and does not meet the demands of the present day endoscopic surgeon. Moreover, no studies are available on Indian subjects.Our main interest in the present study was to study the various air cells which encroach the area of frontal recess and would need surgical removal to provide a good drainage and ventilation.
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