Dermoscopy. Benign melanocytic lesions Full article: A simple guide to dermatoscopic diagnosis of melanocytic and nonmelanocytic skin lesions Treatment of labial melanotic macules on the lip. These are benign spots that appear on the lips for no apparent reason. The causes are mostly genetic, but similar spots can appear in smokers, after Literature Update on Melanocytic Nevi and Pigmented Lesions in the Pediatric Population Current Dermatology Reports Springer Nature Link