Abstract
Acknowledging the increasingly important role of whole-body MRI for directing patient care in myeloma, a multidisciplinary, international, and expert panel of radiologists, medical physicists, and hematologists with specific expertise in whole-body MRI in myeloma convened to discuss the technical performance standards, merits, and limitations of currently available imaging methods. Following guidance from the International Myeloma Working Group and the National Institute for Clinical Excellence in the United Kingdom, the Myeloma Response Assessment and Diagnosis System (or MY-RADS) imaging recommendations are designed to promote standardization and diminish variations in the acquisition, interpretation, and reporting of whole-body MRI in myeloma and allow response assessment. This consensus proposes a core clinical protocol for whole-body MRI and an extended protocol for advanced assessments. Published under a CC BY 4.0 license. Online supplemental material is available for this article.
Highlights
The excellent soft-tissue contrast of MRI allows direct imaging of the bone marrow, providing high sensitivity [8,9,10,11]
Knowing that quantitative assessments such as apparent diffusion coefficient (ADC) and fat fraction measurements can change over time, it is difficult to be prescriptive regarding the frequency of imaging follow-up
For response assessment category (RAC) 1 or 2, when diffusion-weighted imaging and morphology are discordant, consideration should be given to pitfalls such as T1 pseudoprogression and bone marrow fat reemergence
Summary
The excellent soft-tissue contrast of MRI allows direct imaging of the bone marrow, providing high sensitivity [8,9,10,11].
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