J Rhinol.  2017 May;24(1):42-47. 10.18787/jr.2017.24.1.42.

Two Cases of Recurrent Nasolacrimal Duct Obstruction by Remaining Silicone Tube

• Kim HG
• Chung YJ
• Kim SH
• Mo JH

• KMID: 2379789
• DOI: http://doi.org/10.18787/jr.2017.24.1.42

Abstract

Endoscopic dacryocystorhinostomy (DCR) is a widely used procedure for nasolacrimal duct obstruction. Because endoscopic DCR has shown higher success rate, fewer complications, and better cosmetic outcome compared to the conventional external approach, it has replaced the external approach. However, since the openings of the nasal cavity formed during surgery are small, recurrence often occurs due to stenosis caused by granuloma formation or the silicone tube. Hence, it is important to remove the silicone tube before granuloma formation around the openings of the nasal cavity after surgery. Failure to remove the silicone tube at the appropriate time can cause inflammation, resulting in granuloma formation. We recently experienced two cases of recurrent nasolacrimal duct obstruction caused by a remaining silicone tube. Here, we present these cases with a brief review of the literature.

Keyword

Dacryocystorhinostomy; Remaining silicone tube; Recurrent nasolacrimal duct obstruction

MeSH Terms

Constriction, Pathologic
Dacryocystorhinostomy
Granuloma
Inflammation
Nasal Cavity
Nasolacrimal Duct*
Recurrence
Silicon*
Silicones*
Silicon
Silicones

Figure

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  Fig. 1 Preoperative dacryocystography shows complete stricture at left superior and inferior canaliculus. Right nasolacrimal system is patent (A and B).

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  Fig. 2 Removed silicone tube during the operation which was inserted 10 years ago.

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  Fig. 3 Postoperative endoscopic finding of left nasal cavity. Silicone tube is well maintained at 5 days after operation (A). The opening is patent at 7 months after operation (B).

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  Fig. 4 Preoperative dacryocystography shows complete stricture at right nasolacrimal duct. Left nasolacrimal system is patent (A and B).

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  Fig. 5 Silicone tube which was inserted 6 years ago are observed.

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  Fig. 6 Postoperative endoscopic finding of right nasal cavity at 1 month after operation. The opening is patent at 1 month after operation.

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