Malignant melanoma is a neoplasm of pigment-producing cells called melanocytes that occurs most often in the skin, but may also occur in the eyes, ears, gastrointestinal tract, leptomeninges, and oral and genital mucous membranes (summary by Habif, 2010).
For a discussion of genetic heterogeneity of cutaneous malignant melanoma, see 155600. [from
OMIM]