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A member asked:
Can doctors detect if you have had any radiation xrays?, in a test like blood or other. can a blood test detect any cancer ?
A doctor has provided 1 answer
No and Maybe.: There is no test that can see if you have been exposed to X rays. Some blood tests can detect cancer: a complete blood count can detect leukemia. Some substances secreted by tumors can be detected in the blood, but this is not a powerful or precise way of finding cancers in general. biopsy of tissue or collection of tissue or direct visualization is a much better method.
Answered 6/20/2014
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