How would you manage a patient with highly active ankylosing spondylitis, iritis and Crohn’s, controlled with weekly adalimumab with co-morbid IgG4RD and intolerance of azathioprine due to elevated LFTs?  

There is not a known association between IgG4-RD and IBD or spondyloarthritis. Given that these are rare diseases, it is important to ensure diagnostic accuracy, as the combination of these diseases would be unusual, though not impossible. There are two types of autoimmune pancreatitis: type 1 (IgG...

Add rituximab.