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...

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Bibliographic Details
Published in:American journal of neuroradiology : AJNR 2007-08, Vol.28 (7), p.1207-1212
Main Authors: Wallace, R.C, Karis, J.P, Partovi, S, Fiorella, D
Format: Article
Language:English
Subjects:
Adult and adolescent clinical studies
Biological and medical sciences
Cardiovascular system
Cerebral Angiography - methods
Cerebral Angiography - trends
Follow-Up Studies
Humans
Intracranial Aneurysm - diagnostic imaging
Intracranial Aneurysm - surgery
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Miscellaneous
Mood disorders
Nervous system
Prognosis
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Radiographic Image Enhancement - trends
Review
Tomography, X-Ray Computed - trends
Treatment Outcome
Vascular Surgical Procedures
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Summary: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.
ISSN:0195-6108
1936-959X
DOI:10.3174/ajnr.A0664