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KMID : 1103720080590010029
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Journal of the Korean Society of Radiology
2008 Volume.59 No. 1 p.29 ~ p.35
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The Utility of Three-Dimensional of the T1-Weighted MR Cholangiography with Gd-EOB-DTPA for the Evaluation of a Common Bile Duct Obstruction
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Cho Jin-Han
Oh Jong-Young
Lee Sung-Wook
Roh Myung-Hwan
Lee Jin-Hwa
Yoon Seong-Kuk
Kang Myung-Jin
Kwon Hee-Jin
Nam Kyeong-Jin
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Abstract
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Purpose: To prospectively assess the utility of the three-dimensional T1 weighted magnetic resonance cholangiography (MRC) with Gd-EOB-DTPA (Primovist®) in patients suspected of having a mild common bile duct obstruction.
Materials and Methods: A total of 30 patients suspected of having a mild common bile duct obstruction were enrolled in this study. A T2 weighted MRC and a three-dimensional T1 weighted MRC with Gd-EOB-DTPA (Primovist®) were performed. Within 48 h of the MRC, we performed direct cholangiographies by way of an endoscopic retrograde cholangiography and a surgical cholangiography. Reviews of the data by two experienced radiologists were in consensus.
Results: Within 40-60 min of the injection of contrast fluid, the contrast showed the maximum intensity within a common bile duct in 26 of the 30 patients (87%). However, the contrast was poorly visible for as long as 2 hours after injection in 4 of the 30 patients (13%). The sensitivity, specificity, as well as the positive and negative predictive values of the three-dimensional T1 weighted MR cholangiography were 92%, 40%, 88%, and 50%, respectively.
Conclusion: The three-dimensional, T1 weighted MRC with Gd-EOB-DTPA (Primovist®) may be a useful ancillary diagnostic modality for evaluating a patient with mild common bile duct obstruction.
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KEYWORD
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Bile ducts, Magnetic resonance(MR), Cholangiography
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