BACKGROUND Disseminated superficial actinic porokeratosis (DSAP) is one clinical subtype of porokeratosis, a cutaneous disorder of keratinization. A variety of approaches may be used to treat DSAP. The ruby laser appears to be a promising option for DSAP treatment. Traditionally, the ruby laser is used to treat hair removal and lesions involving hyperpigmentation. Its use may be further applied...

Disseminated superficial actinic porokeratosis (DSAP) is a disorder of abnormal keratinization for which there no standard treatment. Treatment modalities that have traditionally been utilized with varying success include ablative therapies, topical pharmacologic treatments, surgical excision, and retinoids. The underlying pathophysiology DSAP secondary to genetic mutations in the mevalonate bi...