Labial melanotic macule. B). Increased numbers of me lanocytes along Download Scientific Diagram Labial melanotic macule Melanocytic nevi and malignant melanoma Medizinonline Melanocytic Nevus an overview ScienceDirect Topics 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.