First‐Year IgG Dynamics in IgG4‐Related Disease: A Critical Window for Predicting Long‐Term Outcomes
Objective To investigate longitudinal serum IgG dynamics in IgG4‐related disease (IgG4‐RD) after treatment and assess their prognostic value for relapse. Methods A retrospective cohort of 274 newly treated patients with IgG4‐RD was stratified into elevated IgG (n = 186) and norm…