Melanocytic Lesions and Disorders of Pigmentation Obgyn Key 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. Full article: A simple guide to dermatoscopic diagnosis of melanocytic and nonmelanocytic skin lesions Melanocytic Lesions Basicmedical Key Moles (melanocytic naevi, pigmented nevi)