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Related Experiment Videos

Dacryocystography after paranasal sinus surgery.

M G Hunink1, W A de Vries-Knoppert, A J Balm

  • 1Department of Radiodiagnostics, Academic Hospital, Free University, Amsterdam, The Netherlands.

The British Journal of Radiology
|May 1, 1988
PubMed
Summary

Nasolacrimal duct dissection and irradiation of the lacrimal system can impact tear drainage. Irradiation following paranasal sinus surgery increased the incidence of lacrimal drainage obstruction.

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Area of Science:

  • Ophthalmology
  • Otorhinolaryngology

Background:

  • Nasolacrimal duct dissection is a surgical procedure affecting the lacrimal system.
  • The effects of irradiation on lacrimal drainage after such surgery are not fully understood.

Purpose of the Study:

  • To assess the influence of nasolacrimal duct dissection and irradiation on lacrimal drainage.
  • To correlate dacryocystography findings with clinical assessments.

Main Methods:

  • Dacryocystography was performed to evaluate lacrimal drainage.
  • Results were correlated with dye tests and patient symptoms.

Main Results:

  • Lacrimal drainage obstruction occurred in 1 of 10 patients after paranasal sinus surgery without irradiation.
  • Lacrimal drainage obstruction occurred in 4 of 10 patients after paranasal sinus surgery with irradiation.

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Conclusions:

  • Irradiation of the lacrimal system following paranasal sinus surgery appears to increase the risk of lacrimal drainage obstruction.
  • Dacryocystography is a valuable tool for assessing post-surgical lacrimal system function.