An antineutrophil cytoplasmic antibodies (ANCA) test is a blood test that checks for proteins your immune system makes to fight germs. This test can help your doctor diagnose autoimmune diseases like ...

Wegener's granulomatosis, microscopic polyangiitis (MPA), Churg–Strauss syndrome, and primary pauci-immune crescentic glomerulonephritis are associated with circulating anti-neutrophil cytoplasmic ...

Almost all AAV cases were diagnosed in individuals with high pretest probability, including those with renal disease, peripheral neuropathies, or pulmonary infiltrates. In clinical practice, indirect ...