Endodontic considerations of the nasopalatine duct region.

Although rare, anomalies of the nasopalatine region have been reported in the literature mimicking pathoses of endodontic origin. The purpose of this article is to present a case of a patent nasopalatine duct that was originally diagnosed as a sinus tract and referred for endodontic therapy. A review of the anatomy of the nasopalatine region is also discussed.