ANA: anti-nuclear antibodies; CRP: C-reactive protein; CRS: cytokine release syndrome; CSF: cerebrospinal fluid; ICANS: immune effector cell-associated neurotoxicity syndrome; IL: interleukin; nr: not reported; NMD: neuromuscular disorder; MG: myasthenia gravis; LES: Lambert-Eaton syndrome; GABA-B: gamma-aminobutyric acid-B; DM: dermatomyositis; IMNM: immune-mediated necrotizing myopathy; ASS: anti-synthetase syndrome; IIM: idiopathic immune myositis; CIDP: chronic inflammatory demyelinating polyneuropathy; CTCT: chimeric antigen receptor T cell therapy. The gene discussed is CRP; the disease is dermatomyositis.