Evidence based recommendations on endoscopic dacryocystorhinostomy dcr for treating lacrimal sac or nasolacrimal duct obstruction nldo. Dacryocystorhinostomy dcr is a procedure performed for the treatment of tearing due to endoscopic dcr accomplishes the same goal . Data are reported on a series of 52 endoscopic procedures of dacryocystorhinostomy performed in the department of otorhinolaryngology of the hospital of . This presentation describes the causes and presentation of epiphora and describe the technique of endoscopic dcr surgery
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