Cancer antigen is a substance present in high amounts in the blood of patients having certain types of cancer. It is normal to have less than 38.6 units per millimeter in the blood. Cancer antigen 125 is a tumor marker used in identifying ovarian cancer when present in high amounts. Cancer antigen 19-9 is a tumor marker, and it indicates a condition of pancreatic cancer when it is present in high amounts.
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What causes elevated levels of CA-19 tumor marker?
Query: Hello doctor, I have a question regarding the significance of an elevated CA-19 tumor marker. I recently had one and that came back as 43 (per laboratory should have been under 34). I do not have cancer and I am wondering what else could cause this elevation? Please help. Read Full »
Answer: Hi, Welcome to icliniq.com. CA 19-9 (cancer antigen) is a tumor marker, but it can be elevated in healthy individual. It can be elevated in benign conditions like pancreatitis, cirrhosis, thyroid disease and inflammatory bowel disease. It can be elevated in various gastrointesti... Read Full »