Porokeratosis is a disorder of keratinization characterized by atrophic patches surrounded by a ridge of keratin called cornoid lamella. Disseminated superficial actinic porokeratosis (DSAP) is the most common form of porokeratosis. It is induced by exposure to ultraviolet light and usually appears during the third or fourth decade.
Category
Congenital malformation
Brite
Human diseases in ICD-11 classification [BR:br08403]
14 Diseases of the skin
Skin disorders involving specific cutaneous structures
Disorders of the epidermis and epidermal appendages
Disorders of epidermal keratinisation
ED52 Porokeratoses
H00791 Disseminated superficial actinic porokeratosis (DSAP)
Disseminated superficial actinic porokeratosis co-existing with linear and verrucous porokeratosis in an elderly woman: Update on the genetics and clinical expression of porokeratosis.