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The CDIATM BJP Kits are intended for the diagnosis and monitoring of multiple myeloma, a blood cancer.


Bence Jones proteins are small proteins (light chains of immunoglobulin) found in the urine. These proteins are not normally in urine. Sometimes, when your body makes too many antibodies, the level of light chains also rises. Bence Jones proteins are small enough to be filtered out by the kidneys. Then they spill over into the urine. Approximately 3 out of 4 people with myeloma have Bence Jones protein in their urine. The marked variability in the excretion of BJP makes this test unreliable for monitoring myeloma. Therefore, the routine test for confirmation of Bence Jones myeloma is done by a urine sample test taken over 24-hours.


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