Antinuclear antibody, anti-ds DNA antibody, perinuclear ANCA (P-ANCA), Anti RO, Anti La, cytoplasmic ANCA (C-ANCA), angiotensin converting enzyme (ACE), C3, C4, CH50, APS (anti-phospholipid antibody), Anti CCP (cyclic citrullinated peptide), RF (rheumatoid factor) and anti-GBM (glomerular basement membrane) antibody were negative. Here, ACE is linked to autoimmune polyendocrinopathy.