A Rare Case of Limited Granulomatosis with Polyangiitis Presenting as Bilateral Parotitis.

Background: Granulomatosis with polyangiitis (GPA) is a rare autoimmune vasculitis affecting small and medium-sized vessels, commonly involving the respiratory tract and kidneys. Salivary gland involvement, particularly bilateral parotitis, is an uncommon presentation of GPA.

Case Report: We report the case of a 38-year-old Asian male who presented with left ear pain and parotid swelling after a water park visit.