Is a Biopsy Required to Classify Patients with Idiopathic Retroperitoneal Fibrosis as IgG4-RPF or Non-IgG4-RPF?
Salim Misirci, Ali Ekin, Belkis Nihan Coskun, Burcu Yagız, Özgür Yılmaz, Abdulmecit Yıldız, Ediz Dalkılıç, Yavuz Pehlivan · Aktuelle Rheumatologie · 2025 · Heft 02 · S. 126-133
Bibliografische Angaben
Zusammenfassung
Abstract Objective Our aim was to group cases of idiopathic retroperitoneal fibrosis (IRPF) into those associated with immunoglobulin (Ig) G4-related disease (IgG4-RD) (IgG4-RPF) and those not associated with IgG4-RD (non-IgG4-RPF) and to compare the clinical presentation, laboratory findings, imaging, and treatment methods. Methods A total of 46 patients were included in the study. According to the assessment by two experienced rheumatologists and the IgG4-RPF classification criteria published by the American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) in 2019, 11 patients who were ad…