Fibroma - DermAtlas - Dermatology Image Atlas

Contributor

Greg Hosler, MD, PhD

Diagnosis

fibroma

Body Site

lip

Age

24 years

Pigmentation

medium

Organization

discrete

Color

brown

Morphology

papule

Pattern

solitary

Comments

Oral fibromas (or irritation fibromas) are probably reactive, and not true neoplasms. They are thought to arise from chronic biting, similar to a prurigo nodule of the skin. The buccal mucosa, inner labial mucosa and tongue are common sites. The histology is characteristic in this case, with a fibrous stroma and thickened epithelium.

Description

Higher power shows a haphazard array of collagen fibers in the stroma. There is minimal inflammation. Mucosal cytologic atypia is not present.

Image Added

12/14/2009 16:18:49

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Other Resources

PubMed Medline Plus Medscape

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