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Bilateral congenital lacrimal fistulae: a case report and review of the literature.
MedLine Citation:
PMID:  21225828     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The lacrimal system is comprised of the lacrimal glands for tear production and the lacrimal drainage system for draining tears away from the eyes. Congenital lacrimal system anomalies other than nasolacrimal duct obstruction are uncommon. Congenital lacrimal fistulae are a rare developmental anomaly, and when they occur, they are usually unilateral. Fistulae and diverticulae can originate from the canaliculus, lacrimal sac, or nasolacrimal duct. They can be seen externally as small orifices or pits located inferior and/or medial to the medial canthi. These anomalies are often asymptomatic and may go undetected. However, they can also present with epiphora or discharge. We report the case of a 4-year-old male with bilateral congenital lacrimal fistulae. The patient presented to our clinic after his parents discovered bilateral pits located inferior and medial to the medial canthi. The pits had first been noticed only a few weeks prior to presentation. There was no history of drainage or infection. The diagnosis of bilateral congenital lacrimal fistulae was confirmed with computed tomographic imaging. No other systemic, nasal, or ocular anomalies were found. The patient was referred to pediatric ophthalmology and because the lacrimal fistulae have been asymptomatic to this point, it was decided to proceed with a course of observation. We will discuss the embryologic basis for congenital lacrimal fistulae, as well as the typical presentation and possible treatment modalities. The presence of lacrimal fistulae is an indicator to search for a variety of underlying systemic and ocular anomalies.
Authors:
Lei Zhuang; Christin L Sylvester; Jeffrey P Simons
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Laryngoscope     Volume:  120 Suppl 4     ISSN:  1531-4995     ISO Abbreviation:  Laryngoscope     Publication Date:  2010  
Date Detail:
Created Date:  2011-01-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8607378     Medline TA:  Laryngoscope     Country:  United States    
Other Details:
Languages:  eng     Pagination:  S230     Citation Subset:  IM    
Affiliation:
Department of Otolaryngology, Children's Hospital of Pittsburgh and University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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