Nasolabial cyst: report of a case with extensive apocrine change.

The nasolabial cyst is a rare condition of the midline with an uncertain pathogenesis. This case report describes a 44-year-old woman in which the clinicopathologic findings were consistent with nasolabial cyst. On histologic examination, extensive apocrine change was noticed. To our knowledge, this feature has not been mentioned in previous papers. In addition, cases reported during the last decade are summarized.