Comparison of Diagnostic Accuracy of Three- Dimensional MR Cholangiopancreatography and ERCP in Various Extrahepatic Biliary Lesions.
- Author:
Kyung Sook KIM
;
Moon Gyu LEE
;
Hyo Jeong LEE
;
Myung Hwan KIM
;
Sung Gu LEE
;
Sung Gyu LEE
;
Young Hwan KIM
;
Pyo Nyun KIM
;
Yong Ho AUH
- Publication Type:Original Article
- MeSH:
Cholangiopancreatography, Endoscopic Retrograde*;
Dilatation;
Humans;
Sensitivity and Specificity
- From:Journal of the Korean Society of Magnetic Resonance in Medicine
1997;1(1):148-153
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
PURPOSE: To evaluate the diagnostic role of a three-dimensional MR cholangiopancreatography(MRCP) over endoscopic retrograde cholangio- pancreatography(ERCP) in various extrah-epatic biliary disease. MATERIALS AND METHODS: MRCP and ERCP were performed in 45 consecutive patients with suspected extrahepatic biliary diseases. MRCP was obtained using a reverse fast imaging with a steady-state free precession (reverse FISP : PSIF) sequences, and then images were reconstructed by standard MIP algorithm. The predictability of biliary dilatation and level of obstruction of MRCP was evaluated using ERCP as a gold standard. The accuracy distinguishing malignant from benign lesions, and overall diagnostic accuracy were compared between MRCP and ERCP. RESULTS: The sensitivity, specificity and accuracy of MRCP in predicting biliary dilatation were 94.6%, 75.0% and 91.1%, respectively. The level of obstruction was accurate in 87.0% with MRCP. The sensitivity, specificity and accuracy MRCP and ERCP in distinguishing malignant from benign lesions were 76.2%, 87.5% and 82.2% and 71.4%, 83.3% and 77.8%, respectively. The overall diagnostic accuracy was 60.0% with MRCP and 55.6% with ERCP. CONCLUSION: 3D MRCP shows a good diagnostic value compared to that of ERCP, and can replace a ERCP.
