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Head and Neck Imaging

Malignant melanoma, head and neck

malignant neoplasm, derived from cells that are capable of forming melanin. Primary head and neck malignant melanoma is uncommon. It may arise from the skin or from the mucosa. Melanoma arising from the scalp may present with intraparotid adenopathies. In the head and neck region, mucosal melanoma occurs most frequently in the sinonasal cavities, with preference for the nasal cavity; local spread is similar to other cancers in this region (see sinonasal cavities cancer).