Cohort study of 23 patients with seropositive immune-mediated necrotizing myopathy.
OBJECTIVES Immune-mediated necrotizing myopathy (IMNM) are rare muscular inflammatory muscle diseases that bear poor prognosis. Description of their clinical evolution remains limited in the literature. This study aimed to describe the clinical, biological, and serological features of patients with anti-HMGCR or anti-S...