ENDOSCOPIC EVALUATION OF THE RHINOSTOMY SITE FOLLOWING EXTERNAL DACRYOCYSTORHINOSTOMY
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Purpose: To assess the dimensions and potency of the surgical fistula after external dacyocystorhinostomy (DCR) using rigid fibroptic intranasal endoscope. Methods: This prospective study included 20 primary external dacryocys tot rhinostomy in 20 patients with nasolacrimal duct obstruction. The dimensions of the fistula were measured intraoperatively, after surgery endoscopic assessment and endonasal photos of the ostium were taken 1 month and 6 months post operatively.