An 84 year old man with a history of metastatic melanoma of the scalp who was undergoing immunotherapy presented with new, multiple blue gray macules on the scalp. Pigmented Oral Lesions: Clues to Identifying the Potentially Malignant Consultant360 Oral Melanotic Macule: Symptoms and Treatment Skinsight This lovely patient was thrilled with her beautiful result after laser treatment of oral melanotic macules. I share this case to educate: laser treatment requires accurate diagnosis, an understanding of the differential Pigmentation Document Gale OneFile: Health and Medicine Mucosal melanocytic macules