Lentigo maligna Wikipedia Managing non melanoma skin cancer in primary care: A focus on topical treatments BPJ 57 December 2013 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. Common benign melanocytic tumours Stamford Skin Centre benign (non cancerous) melanocytic nev Stock Image Science Source Images