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Updated: Aug 16, 2026

Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Multi-slice computed tomography angiography in the detection of residual or recurrent cerebral aneurysms after
M Teksam1, A McKinney, B Cakir
1University of Minnesota Medical School, Department of Radiology, Minneapolis, MN, USA. mehmetteksam@yahoo.com
Purpose:
To assess the diagnostic accuracy of multi-slice computed tomography (MSCT) angiography compared to digital subtraction angiography (DSA) in detecting residual or recurrent aneurysms in patients undergoing aneurysm clipping surgery.
Material And Methods:
Eight patients with nine aneurysms who had both MSCTA and DSA were included in the study. Two independent experienced neuroradiologists evaluated the examinations.
Results:
Accuracy, sensitivity, and specificity of detecting residual or recurrent aneurysms on MSCTA were 0.80, 0.60, and 1.00, respectively. Positive and negative predictive values were 1.00 and 0.71, respectively.
Conclusion:
MSCTA is a promising technique for evaluating residual or recurrent aneurysms in patients undergoing surgical treatment of aneurysm with titanium clips.
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