The term "leukoplakia" refers to a clinically
white mucosal thickening lesion that cannot be
further defined. Most "leukoplakia" will be shown
microscopically to be hyperkeratosis, with or
without epithelial dysplasia, carcinoma in
situ, or superficially invasive squamous cell
carcinoma. Leukoplakia is a clinical description
and not a diagnosis, and the term will not be used
further in this discussio