Melanocytic Tumors, Pathology of the Vulva Springer Nature Link Histopathological Findings of a Melanocytic Nevus A melanocytic nevus is a benign proliferation of melanocytes. Under the microscope, typical features include: Nests or clusters of uniform melanocytes located at the dermoepidermal junction, a Melanotic macule at the wetdry line of the lower lip. b Melanotic Download Scientific Diagram Oral melanoacanthoma and oral melanotic macule: a report of 8 cases, review of the literature, and immunohistochemical analysis