Vincent Rajkumar, Professor of Medicine at the Mayo Clinic in Rochester, Editor‑in‑Chief at Blood Cancer Journal, and Chairman of the International Myeloma Foundation Board, shared a post on X:
“Risk Stratification of multiple myeloma.
High risk definition includes:
- IMS IMWG high risk criteria.
- Plasma cell leukemia.
- Extramedullary disease presentation.
- High S phase.
We have also defined double hit myeloma.”

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