What are the signs and symptoms of multiple myeloma (MM)?

Updated: Jul 15, 2019
  • Author: Dhaval Shah, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Answer

Presenting signs and symptoms of multiple myeloma (MM) include bone pain, pathologic fractures, weakness, anemia, infection (often pneumococcal), hypercalcemia, spinal cord compression, and renal failure. In approximately 30% of cases, MM is discovered through routine blood screening when patients are being evaluated for unrelated problems. Typically, a large gap between the total protein and the albumin levels observed on an automated chemistry panel suggests a problem (ie, protein minus albumin equals globulin).

In one third of patients, MM is diagnosed after a pathologic fracture occurs; such fractures commonly involve the axial skeleton. Two thirds of patients complain of bone pain, commonly with lower back pain. This bone pain is frequently located in the back, long bones, skull, and/or pelvis.

Patients may also complain of nonspecific constitutional symptoms related to hyperviscosity and hypercalcemia.


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