MyMyelomaTeam

Smoldering multiple myeloma (SMM) is a precancerous condition that sits between a milder condition called MGUS and active multiple myeloma. Think of it as myeloma that hasn't "woken up" yet — it's there, but it's not causing symptoms or organ damage.

With SMM, there are abnormal plasma cells in the bone marrow producing Show Full Answer

Smoldering multiple myeloma (SMM) is a precancerous condition that sits between a milder condition called MGUS and active multiple myeloma. Think of it as myeloma that hasn't "woken up" yet — it's there, but it's not causing symptoms or organ damage.

With SMM, there are abnormal plasma cells in the bone marrow producing too much of a protein called M protein. However, because there are no symptoms, it's often discovered through routine blood tests. The key thing to understand is that SMM may or may not progress to active myeloma. The risk of progression decreases over time:

- First 5 years: about 10% chance per year of developing active myeloma
- Years 5–10: risk drops to about 3% per year
- After 10 years: risk is around 1% per year

Certain factors can increase the risk of progression, including:

- High levels of M protein
- High numbers of abnormal plasma cells in the bone marrow
- Specific genetic changes in plasma cells
- Bone lesions showing up on imaging Because SMM has no symptoms, management typically involves regular monitoring with blood tests and check-ups to watch for any signs of progression. In some higher-risk cases, doctors may recommend early treatment.

It's really important to keep all follow-up appointments and talk openly with your care team about any concerns. They can help determine the best approach based on your specific situation.

 AI-generated responses are not a substitute for medical advice. These services are not intended to diagnose, treat, or cure any condition or disease. Always ask your doctor about specific health concerns.

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