Clin Cosmet Investig Dermatol
August 2023
Background: IgG4-related disease (IgG4-RD) is a rare fibroinflammatory disease that has a high tendency to misdiagnosis in clinics.
Case Presentation: A 48-year-old man developed a rash with progressive itching 3 years ago after hormone therapy for an ocular "inflammatory pseudotumor". The disease condition of this patient involved multiple organs which involved the skin.