ocular involvement occurs in up to 60% of WG/GPA patients and not infrequently forms the initial presentation of the disease. [4] Granulomatosis with polyangiitis (previously known as Wegener's ...

which affects an estimated 58 million people worldwide -- and its role in triggering a serious autoimmune disease called cryoglobulinemic vasculitis in up to 15% of cases, where antibodies attack ...