Porokeratosis plantaris discreta.

Sire the basis for this study. All cases were clinically diagnosed as porokeratosis plantaris discreta (PPD). Biopsies were done in fifteen cases. Of these, eleven were confirmed as PPD and four had histopathologic features of a wart. Porokeratosis plantaris dicreta is a localized plantar hyperkeratosis that is resistant to therapy. It is often mistaken for a wart. PPD should be considered in the differential diagnosis of keratotic lesions on the sole.