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Related Concept Videos

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Tracheostomy Decannulation

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Description of the Procedure
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Related Experiment Video

Updated: May 15, 2026

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction
07:30

Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

Published on: October 13, 2017

Endoscopic dacryocystorhinostomy.

Renato Roithmann1, Tiana Burman, Peter-John Wormald

  • 1Brazilian Lutheran University. renatoroithman@gmail.com

Brazilian Journal of Otorhinolaryngology
|January 12, 2013
PubMed
Summary

The endoscopic endonasal approach for lacrimal sac surgery offers high success rates, avoiding skin incisions and scars associated with the traditional external method. This minimally invasive technique is increasingly favored by surgeons for improved patient outcomes.

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Area of Science:

  • Otorhinolaryngology
  • Ophthalmology
  • Surgical Anatomy

Background:

  • The traditional external dacryocystorhinostomy (DCR) approach for lacrimal sac surgery, while effective, necessitates a skin incision leading to a visible scar.
  • Endoscopic endonasal techniques have advanced, offering a minimally invasive alternative with comparable success rates.

Purpose of the Study:

  • To review the anatomy of the lacrimal system relevant to endoscopic DCR.
  • To detail the preoperative assessment and technical aspects of the endoscopic assisted approach.
  • To discuss potential complications and reasons for surgical failure in endoscopic DCR.

Main Methods:

  • A review of the authors' 10-year experience with the endoscopic technique for lacrimal sac surgery.
  • Analysis of surgical outcomes, complications, and patient benefits.

Main Results:

  • Endoscopic dacryocystorhinostomy (DCR) demonstrates outcomes at least equal to the traditional external approach.
  • The endoscopic technique avoids the need for external skin incisions and associated scarring.

Conclusions:

  • The endoscopic endonasal approach is a viable and often preferred alternative to the external approach for DCR.
  • Collaborative efforts between otorhinolaryngologists and ophthalmologists significantly benefit patients suffering from epiphora.