Melanoma: Diagnosis and Treatment AAFP Mucosal melanocytic macules A brown macule on the arm and face Clinical Advisor Dental Update Malignant oral melanoma: how to spot it and how it is managed Dental Update Oral melanotic macule and primary oral malignant melanoma: Epidemiology, location involved, and clinical implications Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics 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.