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What Is Cancer Marker
Colon cancer marker: The cea (carcinoembryonic antigen) test is a colon cancer tumor marker. As with most tumor markers, it is not used as a screening test for colon cancer (in other words, it is not used to find the cancer because of a relatively high false positive rate) but it is used to monitor the cancer once it has been diagnosed. This is particularly useful for treated colon cancer to see if the tumor reoccurs. ...Read moreSee 2 more doctor answers
My friend who has breast cancer gets her tumor markers checked, my mother also had breast cancer, what are the markers and could I get checked?
Tumor "markers": ...Just don't work that well (outside of a few very specific tumors that don't include breast cancer), and should not be used to screen for cancer in someone without the disease. The odds are that any positive test would be a falsely positive. As far as what tumor markers are used for breast cancer, none are used routinely, and i'd ask your friend what the markers her docs are using. ...Read moreSee 1 more doctor answer
Blood tests: Tumor markers are blood tests that are sometimes used to follow progression of cancer once it has already been diagnosed. We rarely, if ever, use tumor makers to make a cancer diagnosis. There are many other reasons why these markers may be elevated including inflammation, infection, etc. ...Read moreSee 2 more doctor answers
No: That's a myth.Get a more detailed answer ›
Not necessarily: Tumor makers are good for monitoring the response to treatment. Low or better yet, absent levels may mean that tumor is not there, however, more often it indicates a remission and levels increase if there is a recurrence. Therefore low levels of tumor markers do not always mean "no more cancer". ...Read moreSee 1 more doctor answer
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