Tumor Marker Tests.

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Presentation transcript:

Tumor Marker Tests

Tumor Markers Substances produced by cancer Substances produced by other cells in response to cancer Found in blood, urine, stool, bodily fluids More than 20 tumor markers

AFP Alpha fetoprotein liver and germ cell tumors diagnose liver cancer and follow response to treatment, assess stage and prognosis follow response of treatment of germ cell cancers

B2M Beta 2 Microglobulin Myeloma, leukemia, some lymphomas determine prognosis and response to treatment CA19-9 follow treatment response in pancreatic, gallbladder, bile duct, and gastric cancer

Calcitonin Medullary thyroid cancer aid in diagnosis, treatment response CA 125 Ovarian cancer

PSA prostate specific antigen aid in diagnosis, treatment response, assess recurrence screen men for cancer BEFORE symptoms present themselves elevated levels may or may not indicate cancer