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A member asked:
Is ig m the same as m protein? if i take a 24 hour urine protein test and i have low ig m will my m protein be low also? will stil test also be able to find bence jones proteins and light chains?
A doctor has provided 1 answer
Terminology: IgM is a normal immunoglobulin that is first antibody in response to an infection. M protein is marker for a plasma cell neoplasm, in some cases a cancer. Small amounts of light chains are normally present in urine. Bence Jones protein is an old term for monoclonal light chains, once again a maker of plasma cell neoplasm, and often a cancer. You should talk to the doctor who is ordering the tests.
Answered 7/30/2020
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