What are the International Myeloma Working Group (IMWG) guidelines for the workup of multiple myeloma (MM)?

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

The International Myeloma Working Group guidelines recommend the following diagnostic studies [124] :

  • Serum and urine assessment for monoclonal protein (densitometer tracing and nephelometric quantitation; immunofixation for confirmation)
  • Serum free light chain (FLC) assay (in all patients with newly diagnosed plasma cell dyscrasias)
  • Bone marrow aspiration and/or biopsy
  • Serum beta2-microglobulin, albumin, serum immunoglobulins, and lactate dehydrogenase (LDH) measurement
  • Standard metaphase cytogenetics
  • Fluorescence in situ hybridization (FISH)
  • Skeletal survey
  • Magnetic resonance imaging (MRI), fluorodeoxyglucose-positron emission tomography (FDG-PET), or low-dose whole-body CT for better detection of bone and extramedullary disease

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