Hepatic granulomas as a manifestation of ANCA-associated vasculitis:a systematic review
BackgroundANCA-associated vasculitides (AAV) — granulomatosis with polyangiitis (GPA), eosinophilic granulomatosis with polyangiitis (EGPA), and microscopic polyangiitis (MPA) — are rare small-vessel autoimmune diseases. Liver involvement in AAV is unc…