Epithelial dysplasia is atypical or abnormal
growth of the stratified squamous epithelium
lining a mucosal surface. It is a diagnosis that
must be made microscopically. These lesions
appear clinically as white, rough, non-painful
areas, or non-painful red patches ("erythroplakia"
or "erythroplasia"), or patches that demonstrate
both red and white areas. Because these
lesions are asymptomatic, the patient is usually
not aware of them. Some lesions diagnosed as
epithelial dysplasia will progress to squamous
cell carcinoma, while others will resolve. Since
it is impossible to determine by microscopic
examination which lesions will progress or
resolve, treatment is complete surgical excision, if
possible, and follow-up
Epithelial dysplasia is atypical or abnormalgrowth of the stratified squamous epitheliumlining a mucosal surface. It is a diagnosis thatmust be made microscopically. These lesionsappear clinically as white, rough, non-painfulareas, or non-painful red patches ("erythroplakia"or "erythroplasia"), or patches that demonstrateboth red and white areas. Because theselesions are asymptomatic, the patient is usuallynot aware of them. Some lesions diagnosed asepithelial dysplasia will progress to squamouscell carcinoma, while others will resolve. Sinceit is impossible to determine by microscopicexamination which lesions will progress orresolve, treatment is complete surgical excision, ifpossible, and follow-up
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