Brown spots, especially on the lips, can be alarming to some. In some instances it can indicate rare oral mucosal melanoma, however in this case it was a non cancerous labial melanotic macule. Melanocytic Lesions and Disorders of Pigmentation Obgyn Key Dental Update Skin cancer and some common mimics of skin cancer Dental Update Frontiers The WHO 2018 Classification of Cutaneous Melanocytic Neoplasms: Suggestions From Routine Practice Nail Cases: Non melanocytic Dr. A. Chamberlain Common benign non melanocytic tumours Stamford Skin Centre