• IgG4-related disease (IgG4-RD)

    BOTTOM LINE IgG4-RD is an immune-mediated fibroinflammatory disorder characterized by inflammatory pseudotumours and/or strictures. Nearly any organ can be involved, but common presentations may include 1) autoimmune pancreatitis with sclerosing…

  • Takayasu Arteritis (TAK)

    BOTTOM LINE Takayasu arteritis (TAK) is a large-vessel vasculitis affecting the aorta and its primary branches, occurring more often in women <40 years old and Asians (but all ethnicities are affected).…