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Comparison of Magnetic Resonance Imaging and Endoscopy in Distinguishing the Type and Severity of Inflammatory Bowel Disease

 

作者: J Shoenut,   Richard Semelka,   Cynthia Magro,   Richard Silverman,   Clifford Yaffe,   Allan Micflikier,  

 

期刊: Journal of Clinical Gastroenterology  (OVID Available online 1994)
卷期: Volume 19, issue 1  

页码: 31-35

 

ISSN:0192-0790

 

年代: 1994

 

出版商: OVID

 

关键词: Inflammatory bowel disease;Ulcerative colitis;Crohn’s disease;Magnetic

 

数据来源: OVID

 

摘要:

Twenty consecutive patients with first-time presentation of suspected inflammatory bowel disease underwent both endoscopy with biopsy and magnetic resonance imaging (MRI) within a 3-day period; the relative abilities of endoscopy and MRI to distinguish ulcerative colitis (UC) from Crohn’s disease (CD) and to determine the severity of the disease process were compared. In 18 of 20 patients, a diagnosis of UC or CD could be made on histological specimens. MRI correctly diagnosed 17 of these 18 patients using Tl-weighted fat-suppressed spin echo and gadolinium enhancement. Endoscopy correctly diagnosed 15 patients. Overall, MRI was not significantly better (p>0.05) than endoscopy in distinguishing UC from CD. MRI correctly graded the severity of inflammatory changes in 13 of 20 patients, and endoscopy did so in 11 of 20. MRI and endoscopy findings were within one grade of histology findings in seven patients each. No significant difference (p>0.05) was found between MRI and endoscopy in the ability to estimate the severity of the disease (as determined from biopsies). Bowel wall thickness measured on MR images demonstrated good correlation with percentage of contrast enhancement: r=0.61; p=0.003. In sum, magnetic resonance imaging was shown to be comparable with endoscopy in differentiating UC from CD and in gauging the severity of disease. Transmural assessment, sagittal imaging, and the lack of invasiveness were attractive features of MRI. resonance.

 

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