Relationship between serum IgG4 levels and clinical activity of ophthalmopathy in Graves’ disease
The aim of this study was to evaluate the association between serum IgG4 levels and the presence, activity, and severity of thyroid eye disease (TED) within a single cohort of patients with Graves’ disease, and to assess the potential role of IgG4 as a complementary biomarker across the clinical spectrum of the disease...