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KMID : 1103720130680020107
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Journal of the Korean Society of Radiology
2013 Volume.68 No. 2 p.107 ~ p.115
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Comparative Study between Axial and Coronal Planes of CT Enterography in Evaluation of Disease Activity and Complications of Crohn Disease
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Ahn Sung-Eun
Park Seong-Jin
Moon Soung-Kyung
Lim Joo-Won
Lee Dong-Ho
Ko Young-Tae
Kim Hyo-Jong
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Abstract
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Purpose: To retrospectively compare the accuracy of axial and coronal planes of CT enterography for detection of pathologic findings of Crohn disease.
Materials and Methods: 168 patients who were suspected of having Crohn disease underwent CT enterography. 66 patients who were diagnosed Crohn disease were retrospectively evaluated (endoscopic biopsy of terminal ileum: 12 patients, segmental resection of small bowel: 6 patients, diagnosed based on a combination of clinical, histopathological and imaging findings: 48 patients). 2 radiologists reviewed axial planes of CT enterography and one month later reviewed coronal planes. CT enterography findings of active phase, chronic phase and complications of Crohn disease were evaluated and then compared with axial and coronal planes by using chi-square test.
Results: Mucosal hyperenhancement, wall thickening, and mesenteric fat stranding were more detected on axial planes, which were CT findings of active Crohn disease. Pseudosacculation, fibrotic strictures, fistulas, abscesses were more detected on coronal planes, which were CT findings of chronic Crohn disease or complications. In particular, pseudosacculation and fibrotic strictures were significantly more detected on coronal planes.
Conclusion: When evaluating CT enterography in Crohn disease, coronal planes provide more useful diagnostic information of pseudosacculation and fibrotic strictures.
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KEYWORD
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Crohn Disease, CT, CT Enterography
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