Literature review and case study of recurrent EPGA with elevated IgG4 and positive HBsAg successfully treated with rituximab
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Background: Eosinophilic granulomatosis with polyangiitis (EGPA) is a rare form of autoimmune vasculitis. The involvement of IgG4 and HBsAg in EGPA is less common but can occur and may present unique challenges in management. ... ...
