Figure 225 from Pigmentations of the Oral Mucosa and Facial Skin Semantic Scholar Oral Melanoma: A Rare but Aggressive Oral Cancer Oral melanoma is a rare and highly aggressive malignant tumor that develops from melanocytes within the oral mucosa. It most commonly affects the Lingual melanotic macule the first case report in an adult patient* Anais Brasileiros de Dermatologia Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com