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염증성 장질환 진단에 있어서 Positron Emission Tomography-computed Tomography의 임상적 유용성
류성호 ( Sung Ho Ryu ),천재희 ( Jae Hee Cheon ),강원준 ( Won Jun Kang ),김진영 ( Jin Young Kim ),김보경 ( Bo Kyung Kim ),윤진영 ( Jin Young Yoon ),정윤숙 ( Yoon Suk Jung ),허현미 ( Hyun Mi Heo ),이진하 ( Jin Ha Lee ),전승민 ( Soun 대한장연구학회 2011 Intestinal Research Vol.9 No.2
Background/Aims: Positron emission tomography-computed tomography (PET-CT) is a nuclear imaging technique that provides noninvasive, three dimensional, quantitative images. Recently, PET-CT has been shown to be valuable in assessing patients with inflammatory diseases; however, the clinical utility of PET-CT in the evaluation of inflammatory bowel disease (IBD) has not been defined. Thus, the aim of this study was to determine the clinical utility of PET-CT in the evaluation of IBD. Methods: Between November 2006 and September 2010, clinical,endoscopic, and radiological data on 14 patients (6 males and 8 females: age range, 33-79 years) with suspected IBD were collected. The standard work-up method for a definite diagnosis of IBD included ileocolonoscopy. Results:The 14 patients were divided into the following five groups: ulcerative colitis (n=4, 29%), intestinal Behcet’s disease (n=3, 21%), intestinal tuberculosis (n=2, 14%), malignancy (n=2, 14%), and no abnormal findings with colonoscopy (n=3, 21%). A PET-CT based-diagnosis of IBD correlated with a colonoscopic diagnosis in nine cases (64.3%),but the matching ratio of the distribution of lesions between PET-CT findings and colonoscopic findings was only 18.1% (2/11). Conclusions: The utility of PET-CT in the diagnosis of IBD requires further evaluation. (Intest Res 2011;9:97-104)