Dermoscopic changes of melanocytic nevi after psoralen-ultraviolet a and narrow-band ultraviolet B phototherapy
Background: Phototherapy may alter the morphologic features of melanocytic nevi.Dermoscopy is a non-invasive method for evaluation of skin lesions, specifically melanocytic nevi.Aims and Objectives: This study was designed to evaluate the effects of narrowband ultraviolet B (NB-UVB) and psoralen-ultraviolet A (PUVA) therapy on the dermoscopic featu