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Multislice CT virtual angioscopy of the abdomen

Publication
Philips CT Clinical Science Philips Healthcare

Carrascosa P, Capunay C, Vembar M, Ciancibello L, Carrascosa J.

 

Diagnostico Maipu, Alsina 30, San Isidro, 1642 Buenos Aires, Argentina. investigacion@diagnosticomaipu.com.ar

 

*Originally published in the May - June 2005 issue of Abdmonial Imaging.

Background
Computed tomographic (CT) angiography represents an important clinical tool in the evaluation of vascular disorders. Virtual angioscopy can be reconstructed with volumetric CT data sets. We evaluated the feasibility and clinical value of this application in the assessment of abdominal vessels.

 

Methods
Data sets of CT angiographic studies obtained with helical (n = 120) and multislice (n = 180) CT scanners were analyzed on a workstation for post processing. Vascular evaluation was done on conventional enhanced axial images, three-dimensional reconstructions, and virtual angioscopic images.

 

Results
We made 123 studies in patients without aortic disease. Of the patients evaluated for stent-graft treatment, 63 showed normal patency, seven had partial thrombosis of the stent-graft, five showed total occlusion of the stent-graft, and ten had leaks. From the 92 remaining CT studies, 63 vascular aneurysms and nine dissections were diagnosed.

 

Conclusion
The current technology produces high-quality virtual angioscopic images. Although axial and multiplanar views are usually adequate for detecting a vascular disorder, virtual angioscopic views better define anatomic details.

 

For more information about this publication, check out the PubMed listing for this article.



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Publication
3D, abdomen, abdomen CTA, aneurysm, aorta, aorta CTA, Body, contrast-enhanced, helical CT, stent, Vascular
 

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