Tissue of Origin

• Neoplasms are named for which the tissue they originate from and will have “-oma” at the end after the name of the tissue.
•  A malignant neoplasm will have the term carcinoma or sarcoma added to tissue type.
• Carcinoma: the most common type of malignant neoplasm arising from epithelial tissue.
• Sarcoma: malignant neoplasm arising from connective tissue.
• Lymphomas and leukemias: malignant neoplasm of blood-forming organs and lymphatic tissues. They do not have benign counterparts and are all malignant