Cutaneous Melanoma

**Semantic type:** Neoplastic Process

**Definition:** A primary melanoma arising from atypical melanocytes in the skin. Precursor lesions include acquired and congenital melanocytic nevi, and dysplastic nevi. Several histologic variants have been recognized, including superficial spreading melanoma, acral lentiginous melanoma, nodular melanoma, and lentigo maligna melanoma.

**Synonyms:** - CM - Cutaneous (Skin) Melanoma - Malignant Cutaneous Melanoma - Malignant Melanoma (of Skin), Stage Unspecified - Malignant Melanoma of Skin - Malignant Melanoma of Skin - Malignant Melanoma of Skin Stage Unspecified - Malignant melanoma of skin, unspecified - Melanoma of Skin - Melanoma of the Skin - Skin Melanoma - Skin, Melanoma