Medicine A patient presents with cutaneous vasculitis, glomerulonephritis and peripheral neuropathy. What investigation is to be performed next for work up? A ANCA B RA factor C HBsAg D CRP 💡 Explanation A patient presents with cutaneous vasculitis, glomerulonephritis and peripheral neuropathy. What investigation is to be performed next for work up? ✓ Correct Answer: A. ANCA