Porokeratosis 5, Disseminated Superficial Actinic Type, is also known as porokeratosis, disseminated superficial actinic, 3. An important gene associated with Porokeratosis 5, Disseminated Superficial Actinic Type is POROK5 (Porokeratosis, Disseminated Superficial Actinic, 3). Affiliated tissues include skin.