03-01-2018 | Vasculitis | Image
Computed tomography angiography of Takayasu arteritis
(a) The origin of the superior mesenteric artery (SMA) is markedly narrowed (arrow). (b) A few sections caudally, the SMA is almost completely occluded with significant thickening of the arterial wall (arrow). The surrounding fat planes are indistinct due to surrounding fibrosis.