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MDCT colonoscopy

CT Marketing Philips Healthcare

Evaluation of the perspective-filet view virtual colon dissection technique for the detection of elevated lesions

Carrascosa P, Capunay C, Martin Lopez E, Ulla M, Castiglioni R, Carrascosa J.

* This article was originally published in the Abdominal Imaging, 2006 Dec 2.

Department of Computed Tomography, Diagn├│stico Maip├║., Alsina 30, San Isidro (1642), Buenos Aires, Argentina.

Twenty-three patients were evaluated with optical colonoscopy and computed tomography colonoscopy using 16-row MDCT on the same day. CT images were analyzed by the colon dissection workup with unfolded haustra visualization and also using the conventional virtual colonoscopy technique (axial images and endoluminal views). The CT analysis was performed by an experienced radiologist using both viewing methods in a randomized order and blinded to optical colonoscopy results.
Optical colonoscopy revealed 35 colonic lesions; 15 < 5 mm, 18 between 5-9 mm and 2 > 9 mm. For conventional virtual colonoscopy analysis the overall sensitivity was 86.67%; for the colon dissection visualization technique, the overall sensitivity was 82.86%. The average reading time for conventional virtual colonoscopy was 15 ± 3 vs. 8 ± 2 min for the colon dissection visualization technique.
Our results showed that there is a significant reduction in the reading time using the colon dissection visualization technique without detriment to the detection rate, that is, competitive to conventional virtual colonoscopy interpretation results.
For more information about this publication, check out the PubMed listing for this article.

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Oct 29, 2007

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Brilliance 16 Power, Brilliance 16-slice
abdomen, Body, colon, lesions, Virtual Colonoscopy

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