Subungual melanoma is a rare subtype of melanoma that usually originates and spreads from the nail matrix. Because of its poor prognosis and short matrix-to-bone distance, amputation has been ...
Melanoma is skin cancer arising from skin melanocytes (melanin pigment-producing cells). Subungual (under the nail) melanoma is a rare skin cancer constituting 0.7% to 3.5% of all malignant melanomas.
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