Porokeratotic Eccrine Ostial And Dermal Duct Nevus: A Noteworthy Presentation

The document described a case of Porokeratotic eccrine ostial and dermal duct nevus (PEODDN) in a 30-year-old woman with unique clinical and histopathological features. The patient had multiple asymptomatic, hyperpigmented, verrucous papules and plaques on her left upper limb, with some lesions showing a central pit. Histopathology revealed hyperkeratosis, acanthosis, papillomatosis, and a focal lichenoid infiltrate. PEODDN is a rare keratinization disorder, often presenting as keratotic pits on palms and soles, but in this case, it involved the dorsum of the hand. Treatment options are limited, with laser therapy being the most effective. The report highlighted the unusual presentation and histological findings of this case.