Subungual Melanoma 14 March 2025 A form of melanoma that develops under the nail plate. It often appears as a dark streak and can be mistaken for trauma-related bruising. Related Articles: How to Spot Nail MelanomaGlossary: Hutchinson’s SignGlossary: TraumaGlossary: Ethnic PigmentationGlossary: Skin Cancer of the Nail Matrix
