Conditions associated with antineutrophil cytoplasmic antibody (ANCA) other than ANCA-associated vasculitis
| Gastrointestinal disorders Inflammatory bowel disease Primary sclerosing cholangitis Primary biliary cirrhosis Autoimmune hepatitis Viral hepatitis |
| Infections Infective endocarditis Tuberculosis Malaria |
| Drugs Propylthiouracil Minocycline Hydralazine Allopurinol Levamisole |
| Autoimmune diseases Rheumatoid arthritis Systemic lupus erythematosus (SLE)a Antiglomerular basement membrane disease |
↵a Antinuclear antibody (ANA) and p-ANCA resemble each other closely and are difficult to differentiate. Thus, SLE sera may show positive p-ANCA staining due to presence of ANA.