skin neoplasm (MONDO_0002531) is a benign or malignant tumor involving the skin. Representative examples of benign skin neoplasms include the benign melanocytic skin nevus, acanthoma, sebaceous adenoma, sweat gland adenoma, lipoma, hemangioma, fibroma, and benign fibrous histiocytoma. Representative examples of malignant skin neoplasms include basal cell carcinoma, squamous cell carcinoma, melanoma, and Kaposi sarcoma. Also known as: neoplasm of skin, neoplasm of skin by site, neoplasm of the skin, neoplasm of zone of skin, skin neoplasms, skin tumor, skin tumour, tumor of skin.