OBJECTIVES: To evaluate a case of chronic dacryocystitis while (during) the endoscopic surgical treatment. Clinical case: patient 21 years of age with a history of epiphora on the right eye continuously nasoangiofibroma post-surgery 6 years ago by degloving, held dacryocystography contacted where a stop of the contrast medium at lower nasolacrimal was held dacriorrinostomia endoscopy where they proceeded to tear the bag and found purulent discharge, did not put STENS. Currently the patient shows improvement in symptoms and not driving notes restenosis CONCLUSION: The endoscopic sinus surgery is now preferred in treatment of obstruction of the nasolacrimal, STENS in the use of our service is null.