Atul Khasnis

Does this patient have granulomatosis with polyangiitis (GPA)? Granulomatosis with polyangiitis (Wegener’s) (GPA) is a rare disease characterized by the presence of granulomatous inflammation and necrotizing vasculitis involving small and medium sized vessels in various organs. Patients with GPA can have a variety of presentations based on the organ involved and severity of involvement. Clinically,…

Does this patient have microscopic polyangiitis (MPA)? Microscopic polyangiitis (MPA) is a rare disease characterized by the presence of necrotizing vasculitis involving small and medium sized vessels in various organs. Although MPA and GPA are commonly included under the broad term, “ANCA associated vasculitides,” they are probably distinct diseases, and will be compared in this…