title: Computed tomographic angiography in stroke imaging: fundamental principles, pathologic findings, and common pitfalls.
abstract: The development of multidetector row computed tomography (MDCT) now permits visualization of the entire vascular tree that is relevant for the management of stroke within 15 seconds. Advances in MDCT have brought computed tomography angiography (CTA) to the frontline in evaluation of stroke. CTA is a rapid and noninvasive modality for evaluating the neurovasculature. This article describes the role of CTA in the management of stroke. Fundamentals of contrast delivery, common pathologic findings, artifacts, and pitfalls in CTA interpretation are discussed.
authors.affiliation: Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA. rguptal@partners.org
authors.forename: Rajiv
authors.initials: R
authors.lastname: Gupta
authors.forename: Stephen E
authors.initials: SE
authors.lastname: Jones
authors.forename: Eline A Q
authors.initials: EA
authors.lastname: Mooyaart
authors.forename: Stuart R
authors.initials: SR
authors.lastname: Pomerantz
mesh_terms: D000792:Angiography / Q000379:methods*; D016477:Artifacts; D003287:Contrast Media; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D011856:Radiographic Image Enhancement / Q000379:methods; D020521:Stroke / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed / Q000379:methods*
chemical_list: D003287:Contrast Media