IgG4-related disease presenting with retroperitoneal fibrosis and hypertrophic spinal pachymeningitis: a rare case report and literature review
BackgroundHypertrophic spinal pachymeningitis (HSP) and retroperitoneal fibrosis (RPF) are rare inflammatory disorders, often associated with immunoglobulin G4-related disease (IgG4-RD). This case underscores the diagnostic intricacies and therapeutic …