Case 1-2012: ANCA associated glomerulonephritis in combination with IgG4-positive mediastinal mass in a patient with ankylosing spondylitis treated with TNF alpha inhibitors

Abstract

This article report a case of patient with ankylosing spondylitis treated with TNF alpha inhibitors suffering from fever of unknown origin. ANCA positive glomerulonephritis and IgG4 positive mediastina mass (both histological confirmed) were revealed.

Keywords

• ankylosing spondylitis
• TNF alpha inhibitors
• IgG4 related diseases
• ANCA-glomerulonephritis