# Mouth Mucous Membrane Leukoplakia

National Cancer Institute

## Source

*National Cancer Institute. Mouth Mucous Membrane Leukoplakia. NCI Thesaurus. Code C7743.*

A clinical term that indicates the presence of a white patch on the mucous membrane in the mouth which cannot be characterized as any other disease. It may be a precancerous condition and in most cases histologic examination reveals keratosis.