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A MyMyelomaTeam Member asked a question 💭
Longmont, CO
April 22, 2025
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Yes, it's possible to have a low M-spike (M protein) level while still having a high plasma cell count in multiple myeloma. M protein is produced by abnormal plasma cells, but the amount produced can vary regardless of how many plasma cells are present.

Doctors use both M protein measurements and bone marrow tests to get a Show Full Answer

Yes, it's possible to have a low M-spike (M protein) level while still having a high plasma cell count in multiple myeloma. M protein is produced by abnormal plasma cells, but the amount produced can vary regardless of how many plasma cells are present.

Doctors use both M protein measurements and bone marrow tests to get a complete picture of the disease. While M protein levels are an important marker, the percentage of plasma cells in the bone marrow is a separate and equally important measurement for diagnosis and monitoring. This is why healthcare providers typically use multiple tests to monitor myeloma, including blood tests, bone marrow biopsies, and imaging. Each of these provides different but important information about the disease status and helps guide treatment decisions.

April 22, 2025

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