Pigmented skin lesions Pigmented Lesions of the Oral Cavity Pocket Dentistry Hyperpigmentation Understanding Dark Patches on Skin Figure 2 from Diffuse Cutaneous Melanosis Associated with Malignant Melanoma Semantic Scholar Figure 1 from HIV Associated Oral Mucosal Melanin Hyperpigmentation: A Clinical Study in a South African Population Sample Semantic Scholar Peutz Jeghers syndrome: black spots localized in the perioral area. Download Scientific Diagram