Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review A 55 year old male with a long history of tobacco smoking presents with diffuse dark pigmentation on the hard palate as seen in the image. What is the most likely diagnosis? A. Oral Melanotic Macules, Naevi, and Melanoma Springer Nature Link Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360