Melanotic Macules, Naevi, and Melanoma Springer Nature Link 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 Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Oral malignant melanoma: a rarity! BMJ Case Reports