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What is smoldering multiple myeloma (SMM)?

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This is a pre-cancerous form of myeloma. There usually aren't symptoms.

People with SMM have more M proteins in their blood or more myeloma plasma cells in their bone marrow. As a result, they're at greater risk of developing active myeloma. About 50% will be diagnosed with myeloma after 5 years.

From: Types of Multiple Myeloma WebMD Medical Reference

SOURCES:

American Cancer Society: "What is Multiple Myeloma?"

American Society of Clinical Oncology: "Multiple Myeloma-Stages."

Canadian Cancer Society: "Types of Multiple Myeloma," “Multiple myeloma.”

Myeloma Crowd: "Types of Multiple Myeloma."

The Multiple Myeloma Research Foundation.

Reviewed by Laura J. Martin on September 16, 2018

SOURCES:

American Cancer Society: "What is Multiple Myeloma?"

American Society of Clinical Oncology: "Multiple Myeloma-Stages."

Canadian Cancer Society: "Types of Multiple Myeloma," “Multiple myeloma.”

Myeloma Crowd: "Types of Multiple Myeloma."

The Multiple Myeloma Research Foundation.

Reviewed by Laura J. Martin on September 16, 2018

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