Massive Enlargement of the Nasolacrimal Canal Causing Epiphora and Chronic Maxillary Sinusitis

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Abstract

Objectives:

Enlargement of the nasolacrimal canal (NLC) is a rare anatomic variant. We present the first report of a massively dilated NLC causing epiphora and chronic sinusitis.

Methods:

The authors conducted a literature review and case report.

Results:

A 65-year-old man with refractory sinonasal symptoms and a remote history of a dacryocystorhinostomy was found to have a massively dilated, air-filled NLC. Using a combined endoscopic transnasal and endoscope-assisted Caldwell-Luc approach, the posterolateral wall of the NLC was removed. The patient's symptoms were improved 10 months postoperatively.

Conclusions:

Symptoms suggestive of nasolacrimal dysfunction should prompt a search for potential sinonasal pathology.

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