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Intraoral and labial keratoacanthoma
Oral Surgery, Oral Medicine, and Oral Pathology
|December 1, 1982
Summary
Keratoacanthoma (KA) is a common skin lesion. This study presents seven new cases of oral KA, adding to the nine previously reported intraoral cases, suggesting a possible origin from surface epithelium.
Area of Science:
- Dermatology
- Oral Pathology
Background:
- Keratoacanthoma (KA) is a common skin neoplasm with uncertain origins.
- While typically originating from hair follicles, KAs on mucous membranes suggest a surface epithelium origin.
Observation:
- A literature review identified six previous oral mucosal KA cases.
- Seven new intraoral KA cases are presented: four on the lower lip and three from intraoral mucosa.
- This brings the total reported intraoral KA cases to nine.
Findings:
- The study details seven new intraoral keratoacanthoma cases.
- Four cases occurred on the lower lip, and three arose from intraoral mucosal tissue.
- The findings contribute to the understanding of oral KA origins.
Implications:
- The occurrence of KA on oral mucosa supports the hypothesis of a surface epithelium origin.
- Further research into the histogenesis of oral keratoacanthoma is warranted.
- These findings aid in the diagnosis and management of oral KA.