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if your cea blood test result is a 10 and ct scan of ab shows enlarged lymph nod
Best answer: What is the normal range for CEA blood levels? The normal range for CEA in an adult non-smoker is 2.5 ng/ml and for a smoker 5.0 ng/ml. How is the CEA test used? The best use of CEA is as a tumor marker, especially for cancers of the ga
Best answer:
What is the normal range for CEA blood levels?
The normal range for CEA in an adult non-smoker is <2.5 ng/ml and for a smoker <5.0 ng/ml.
How is the CEA test used?
The best use of CEA is as a tumor marker, especially for cancers of the gastrointestinal tract. When the CEA level is abnormally high before surgery or other treatment, it is expected to fall to normal following successful surgery to remove all of the cancer. A rising CEA level indicates progression or recurrence of the cancer. In addition, levels >20 ng/ml before therapy are associated with cancer which has already spread (metastatic disease).
What conditions can cause an elevated CEA?
Both benign and malignant (harmless and cancerous) conditions can increase the CEA level. The most frequent cancer which causes an increased CEA is cancer of the colon and rectum. Others include cancers of the pancreas, stomach, breast, lung, and certain types of thyroid and ovarian cancer. Benign conditions which can elevate CEA include smoking, infections, inflammatory bowel disease, pancreatitis, cirrhosis of the liver, and some benign tumors in the same organs in which an elevated CEA indicates cancer. Chemotherapy and radiation therapy can cause a temporary rise in CEA due to the death of tumor cells and release of CEA into the blood stream. Benign disease does not usually cause an increase above 10 ng/ml.
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