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· Ex-USMLE Forums Staff
752 Posts
Discussion Starter · #1 ·
Three lesions commonly tested in USMLE
They are all squamous cell dysplasia and CA in situ

Bowen Disease:
Sinlgle grey-white flat plaque with crustation

Bowenoid papulosis:
As the name implies these are multiple plaques
usually in younger patients
reddish brown in color

Erythroplasia of Queyrat:
As the name implies this a red plaque
usually soft velvety in texture
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