Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics Mole or nevus, what is, what treatment? PDF] Morphologic changes of acquired melanocytic nevi with eccentric foci of hyperpigmentation ("Bolognia sign") assessed by dermoscopy. Semantic Scholar Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics