Pigmented Lesions of the Oral Mucosa Springer Nature Link Pigmented Lesions of the Oral Cavity Oral and Maxillofacial Surgery Clinics 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 Diagnosis of oral pigmentations and malignant transformations ScienceDirect