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What is CEA?

CEA stands for carcinoembryonic antigen. CEA is a type of protein molecule that can be found in many different cells of the body, but is typically associated with certain tumors and the developing fetus. The word "carcinoembryonic" reflects the fact that CEA is produced by some cancers ("carcino-") and by the developing fetus ("-embryonic").

CEA is most frequently tested in blood. It can also be tested in body fluids and in biopsy tissue.

The normal range for CEA in an adult non-smoker is <2.5 ng/ml and for a smoker <5.0 ng/ml.

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מידע נוסףhttp://www.medicinenet.com/Carcinoembryonic_Antigen/article.htm

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