ANCA Associated Vasculitis (AAV) - Auto-antibodies and Differential Diagnosis MPA → usually p-ANCA GPA → usually c-ANCA EGPA → ANCA in 40-50% P-ANCA (MPO) C-ANCA (PR3) X-ANCA (elastase, cathepsin, lysozyme, others) - Perinuclear pattern Drug-Induced ANCA Vasculitis Levamisole-Induced ANCA Vasculitis Hydralazine-Induced ANCA Vasculitis By Andrew Sanchez M.D. @ASanchez_PS #ANCA #Vasculitis #AAV #Differential #Diagnosis #laboratory
