Radiotherapy for Disseminated Superficial Actinic Porokeratosis (DSAP) Fogarty GB, Farrow C, Bartley J, et al. Circumferential volumetric modulated arc radiotherapy of the lower legs–a technique described in a case of disseminated superficial actinic porokeratosis. Int J Radiol Radiat Ther. 2021;8(4):183‒192. DOI: 10.15406/ijrrt.2021.08.00313. DOWNLOAD PDF