Small Vessel Vasculitides • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary nodules. and retroorbital mass) • Microscopic polyangiitis - Interstitial lung disease • Eosinophilic granulomatosis with polyangiitis - Asthma. eosinophilia. and cardiac involvement • Cryoglobulinemic vasculitis - Associated with hepatitis B and C viruses. systemic lupus erythematosus, and Sjogren's syndrome • IgA vasculitis - Rare in absence of skin lesions BWH Medicine Chiefs @BrighamChiefs #Small #Vessel #Vasculitides #vasculitis #differential #diagnosis
