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간외담관암의 진단에 있어서 자기공명담췌관촬영술: ERCP와의 비교

Other Titles
 The Role of MRCP in the Diagnosis of Extrahepatic Bile Duct Cancer: Comparison with ERCP 
 서정훈  ;  김명진  ;  정재복  ;  문영명  ;  강진경  ;  박인서 
 Korean Journal of Gastroenterology (대한소화기학회지), Vol.32(1) : 87-96, 1998 
Journal Title
 Korean Journal of Gastroenterology (대한소화기학회지) 
Issue Date
Background/Aims : Although the gold standard for evaluating the extrahepatic bile duct cancer is endoscopic retrograde cholangiopancreatography (ERCP), the procedure is associated with complications such as cholangitis and pancreatitis. In contrast, magnetic resonance cholangiopancreatography (MRCP) is a noninvasive diagnostic modality capable of producing high-quality images of the pancreato-biliary tree. The purpose of this study was to examine the diagnostic accuracy of MRCP and the difference between the images of MRCP and ERCP. Methods : We retrospectively analysed 17 patients who were diagnosed as extrahepatic bile duct cancer between July 1995 and June 1997. All patients underwent ERCP and MRCP. In MRCP, fast spin echo was used in 10 cases and single shot fast spin echo was used in 7 cases. Malignant obstruction was confirmed in 12 patients by surgical findings and in 5 patients by clinical follow-ups and imaging findings. Results : The ERCP and the MRCP showed sensitivities of 100% and 94% for correct level of obstruction, 100% and 88% for causes of obstruction, 47% and 82% for recognition of the upper margin of lesion, 100% and 82% for recognition of the lower margin of lesion, 47% and 100% for visualization of the bile duct proximal to obstruction, and 100% and 93% for visualization of the bile duct distal to obstruction, respectively. Conclusions : The MRCP has a diagnostic accuracy similar to ERCP and shows excellent images in recognition of upper margin of lesion and visulaization of the duct proximal to obstruction in extrahepatic bile duct cancer. Therefore, it can be used as a primary diagnostic tool before ERCP or in cases that ERCP is incomplete or cannulation of the duct is not possible.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Chung, Jae Bock(정재복)
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