Diagnosis of oral pigmentations and malignant transformations ScienceDirect Initial clinical appearance with melanotic macules located on lower Download Scientific Diagram A Rare Case of Oral Mucosal Pigmentation: Differential Diagnosis and Case Presentation JCDA 56M with an asymptomatic, darkly pigmented lesion on the attached gingiva of the maxilla, an irregularly shaped macule with varied pigmentation, including shades of black, brown, and gray. Brendan Gallagher, DDS Oral Melanotic Macule MEDizzy