A five-factor risk-stratification model for cancer-associated myositis in idiopathic inflammatory myopathies and stage-specific survival analysis: a multicentre Japanese MYKO cohort study
IntroductionPatients with idiopathic inflammatory myopathies (IIM) are at increased risk of malignancy, particularly around disease onset, but practical tools for risk stratification of cancer-associated myositis (CAM) remain limited. We aimed to chara…