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."