sebaceous gland neoplasm (Monarch Disease Ontology id MONDO_0006963) is a benign or malignant neoplasm that arises from the sebaceous glands. Representative examples include sebaceous adenoma and sebaceous carcinoma. Also known as: neoplasm of sebaceous gland, sebaceous gland neoplasm (disease), sebaceous gland tumor, sebaceous gland tumour, sebaceous neoplasm, sebaceous tumor, sebaceous tumour, tumor of sebaceous gland.