All are TRUE about nasolabial cyst, EXCEPT:
Correct Answer: Arises from odontoid epithelium
Description: The nasolabial cyst is observed most often in adults in the fouh to sixth decades of life with a 3:1 female-to-male prediliction. It is believed that the epithelium is derived from remnants of the nasolacrimal duct. Occurs as a unilateral swelling (10% incidence of bilateral occurrence) of the upper lip lateral to the midline, superficial to the maxilla. A swelling appears in the lateral aspect of the upper lip and is generally painless unless secondarily infected. The swelling may elevate the nasal vestibule mucosa and cause obliteration of the nasolabial fold. It may cause nasal obstruction or interfere with the flange of an upper denture. There are no radiographic signs, except for a possible saucerization of the underlying labial surface of the maxilla. The nasolabial cyst is lined by pseudostratified columnar epithelium, which frequently demonstrates cilia and goblet cells.
Category:
ENT
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