title: Computed Tomography Angiography of the Lower Extremities.
abstract: CT angiography (CTA) of the lower extremities is an important and versatile, noninvasive tool for diagnosis as well as surgical or endovascular interventional planning. Although lower extremity CTA is most commonly performed in patients with peripheral artery disease or trauma affecting the lower extremities, it also plays a role in the workup of nonischemic etiologies such as vasculitis, aneurysms, and congenital vascular malformations. CT scan protocols should adjust bolus timing and multiphasic imaging to account for the clinical question of interest, and 3-dimensional postprocessing plays an important role in the visualization and interpretation of these high-resolution imaging examinations.
authors.affiliation: Perelman School of Medicine at the University of Pennsylvania, 3400 Spruce Street, 1 Silverstein Radiology, Philadelphia, PA 19104, USA. Electronic address: Tessa.Cook@uphs.upenn.edu.
authors.forename: Tessa Sundaram
authors.initials: TS
authors.lastname: Cook
mesh_terms: D000792:Angiography; D006801:Humans; D021621:Imaging, Three-Dimensional; D035002:Lower Extremity / Q000098:blood supply* / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed; D014652:Vascular Diseases / Q000000981:diagnostic imaging*; D054079:Vascular Malformations / Q000000981:diagnostic imaging*
keywords: 3-D postprocessing; CT angiography; Lower extremity bypass; Lower extremity imaging; Lower extremity vascular trauma; Peripheral arterial disease