Surgery for paranasal sinus mucocoeles: efficacy of endonasal micro-endoscopic management and long-term results of 185 patients.

This study evaluates the most extensive long-term treatment outcome of paranasal sinus mucocoeles with particular emphasis on the efficacy of endonasal micro-endoscopic management. It is a retrospective, consecutive case review of 255 patients with 290 mucocoeles including 125 frontal sinus, 23 frontoethmoid, 41 ethmoid, 72 maxillary sinus and 26 sphenoid mucocoeles. The median follow-up of the patients is 12 years (range 1 - 19 years).