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Updated: Feb 14, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
Published on: October 13, 2017
Transnasal endoscopic assisted dacryocystorhinostomy.
Răzvan Hainăroșie1,2, Irina Ioniță1,2, Cătălina Pietroșanu1,2
1"Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.
Transnasal endoscopic dacryocystorhinostomy offers a safe and effective alternative to external DCR surgery. This endoscopic technique provides comparable or superior outcomes for tear duct obstruction, with detailed procedural steps outlined.
Area of Science:
- Ophthalmology
- Otorhinolaryngology
- Surgical Anatomy
Background:
- External dacryocystorhinostomy (DCR) is a common surgical procedure.
- Transnasal endoscopic DCR presents a minimally invasive alternative.
- Understanding endoscopic anatomy is crucial for surgical success.
Purpose of the Study:
- To analyze and refine the transnasal endoscopic dacryocystorhinostomy technique.
- To present a step-by-step surgical approach.
- To highlight relevant surgical technologies, particularly cold instruments.
Main Methods:
- Detailed description of the transnasal endoscopic dacryocystorhinostomy surgical technique.
- Focus on step-by-step procedural guidance.
- Presentation of associated surgical technologies, emphasizing cold instruments.
Main Results:
- Transnasal endoscopic DCR is a safe and efficient technique.
- Surgical outcomes are comparable or superior to the external approach.
- The study provides a detailed procedural guide for improved surgical outcomes.
Conclusions:
- Transnasal endoscopic DCR is a viable and effective alternative to external DCR.
- Mastery of endoscopic anatomy and lacrimal system is essential.
- The described technique and technologies aim to enhance surgical results.
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