Noninvasive imaging of treated cerebral aneurysms, Part II: CT angiographic follow-up of surgically clipped aneurysms.
Although not useful for the evaluation of coiled aneurysms, CT angiography (CTA) is far superior to MR angiography (MRA) for the evaluation of aneurysms after surgical clipping. Using the latest multidetector row scanners and optimized imaging parameters, CTA can often effectively depict and follow small aneurysm remnants; demonstrate patency, stenosis, or vasospasm in the adjacent parent vessels; and provide surveillance of the entire cerebrovasculature for de novo aneurysms after surgical clipping. Despite these advances, conventional angiography remains the gold standard for the evaluation of surgically treated aneurysms and should be liberally used to resolve any cases of diagnostic uncertainty on noninvasive imaging.
Wallace
R C
RC
Division of Neuroradiology, Barrow Neurological Institute, St Joseph's Hospital and Medical Center, Phoenix, AZ, USA.
Karis
J P
JP
Partovi
S
S
Fiorella
D
D
D002533:Cerebral Angiography / Q000379:methods / Q000639:trends*; D005500:Follow-Up Studies; D006801:Humans; D002532:Intracranial Aneurysm / Q000000981:diagnostic imaging* / Q000601:surgery*; D011379:Prognosis; D011856:Radiographic Image Enhancement / Q000639:trends*; D014057:Tomography, X-Ray Computed / Q000639:trends*; D016896:Treatment Outcome; D014656:Vascular Surgical Procedures
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