A Rare Anomaly Associated with Nasolacrimal Canalicular System

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Congenital anomalies associated with Lacrimal apparatus or Nasolacrimal duct are very rarely recorded with already recorded cases being obstructive in nature and associated with oblique facial clefts. Here we present a case with aberrant opening over infraorbital margin bilaterally mimicing accessory nasolacrimal foramina in a 32-year-old male.

E ctopic openings or aberrations in the opeing of nasolacrimal duct large very rare, so rare that only one or two cases have been recorded [1]. Congenital disruptions and anomalies of this duct system are commonly associated with oblique facial clefts as a result of clefting in this zone [2]. Other congenital anomalies are mostly obstructive in nature and may vary from partialabsence of the canalicular system to alacrima. However, such anomalies have never been recorded with the proximal end of the nasolacrimal duct or lacrimal canaliculi that drain into the lateral part of lacrimal sac situated in the lacrimal groove. Here, we present a case of an aberrant opening over the infraorbital margin suspected to be either an extension of lacrimal canalicular system or incomplete formation of the bone surrounding the canal system that mimics accessory nasolacrimal foramen like structure over infraorbital.
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