Medium sized congenital melanocytic nevus spontaneously lightening in a pediatric patient and management JAAD Case Reports An acral nevus is a benign melanocytic lesion found on the palms and soles. Dermoscopically, it most commonly shows the parallel furrow pattern, where pigmentation follows the furrows of the skin markings. Case Report: melanoma and melanocytic nevus F1000Research Photoclinic: Congenital Melanocytic Nevus Consultant360