label: Porokeratotic Eccrine Ostial and Dermal Duct Nevus
label_lc: porokeratotic eccrine ostial and dermal duct nevus
description: A rare, congenital disorder of the eccrine sweat ducts that presents as grouped keratotic papules and plaques with a linear distribution and/or multiple punctate pits filled with tiny keratotic plugs resembling comedones. The lesion are usually located on the acral portion of a limb.