Myositis is a group of conditions that vary greatly in risk factors, clinical manifestations, laboratory markers, presumed pathogenetic mechanisms, treatment responses and prognoses. Approaches to divide myositis into mutually exclusive and stable phenotypes are being considered, but are we thinking comprehensively enough in our attempts at classification?
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Acknowledgements
This work of the author was supported by the Intramural Research Program of the US National Institutes of Health, National Institute of Environmental Health Sciences. T. O’Hanlon and E. Shamim are acknowledged for their useful comments on the manuscript.
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Miller, F.W. Slicing and dicing myositis for cures and prevention. Nat Rev Rheumatol 17, 255–256 (2021). https://doi.org/10.1038/s41584-021-00592-4
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DOI: https://doi.org/10.1038/s41584-021-00592-4
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