Giant Congenital Melanocytic Nevi of the Head and Neck: Clinical Update and Advances in Treatment Sarah A. Applebaum, Joshua P. Weissman, Emily S. Chwa, Stuti P. Garg, Arun K. Gosain, 2022 Macules With Irregular Borders Clinical Advisor Med #Melanocytic lesions (dermoscopy) Benign patterns Blue nevus: Homogeneous steel blue blue pigmentation. Common benign nevus: Regular, symmetric pigment network (often a neat reticular pattern). Benign nevus (globular cobblestone): Large, Dark Lesion on the Arm Present Since Birth AFP Benign melanocytic naevi