Waldenström's macroglobulinemia (WM) and myeloma are related in the sense that they are both blood cancers that involve abnormal cells building up in the bone marrow. Think of them like cousins — similar family, but quite different in how they behave.
Here's what they have in common:
- Both crowd out healthy blood cells Show Full Answer
Waldenström's macroglobulinemia (WM) and myeloma are related in the sense that they are both blood cancers that involve abnormal cells building up in the bone marrow. Think of them like cousins — similar family, but quite different in how they behave.
Here's what they have in common:
- Both crowd out healthy blood cells in the bone marrow
- Both produce abnormal antibodies
- Both can cause fatigue, weight loss, neuropathy, and anemia However, there are some key differences:
- Myeloma is a cancer of plasma cells, while WM involves a mix of cell types including lymphocytes and plasma cells
- Myeloma typically produces IgG antibodies; WM produces IgM antibodies
- Bone pain is common in myeloma but rare in WM
- They require different treatments — myeloma usually involves combinations of 3–4 drugs, while WM is often treated with rituximab-based therapy Getting the correct diagnosis between the two is really important, since the treatment paths differ significantly. If there's ever any doubt about a diagnosis, it's worth speaking with a blood cancer specialist. A bone marrow biopsy and genetic testing are the key tools used to tell them apart.
June 17
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