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nasopalatine duct cyst

Monday 10 October 2016


Definition : The nasopalatine duct cyst is located within the nasopalatine canal that runs from nose to the oral cavity through the midline of the anterior bony palate, just posterior to the central incisor teeth.

The cyst arises from epithelial remnants of the nasopalatine duct, and its lining may be pseudostratified columnar ciliated epithelium, stratified squamous epithelium, columnar or cuboidal epithelium and combinations of these.

As surgical treatment comprises emptying the nasopalatine canal, the specimen always includes the artery and nerve that run in this anatomical structure.

These are seen within the fibrous cyst wall and form the most convincing diagnostic feature for this cyst, as the specific appearance of the epithelial lining may be obscured by inflammatory changes.

See also

- nasolabial cyst
- palatine cysts
- duct cysts