OVERVIEW

Rheumatology Cases on the Web (COWs) is an online case-based series that provides an in-depth review of basic and clinical aspects and the effect of recent advances in rheumatic diseases. Expert faculty offer succinct cases on biologic safety, tuberculosis, cardiovascular disease and rheumatoid arthritis, spondyloarthropathies, and lupus, as well as the rationale for both right and wrong answers within each case.The When Is It Not Vasculitis? case reviews differential diagnosis and nonvasculitic etiologies of vascular disease, as well as provides evidence-based rationale for clinical decisions.