Relapse patterns in IgG4-related disease: Table 1

Immunoglobulin (Ig)G4-related disease (IgG4-RD) is a chronic inflammatory disorder characterised by elevated levels of serum IgG4 and swollen organs with fibrosis and infiltration by abundant IgG4-positive plasmacytes.1 ,2 Glucocorticoid treatment is effective for achieving clinical remission in the short term,3 but about 20%–30% of cases present with relapse after steroid doses are reduced.4 Serial changes of serum IgG4 levels are often...