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- W2018773504 abstract "Purpose: We assessed the frequency of common bile duct (CBD) motion artifacts caused by inferior vena cava (IVC) pulsation on magnetic resonance cholangiopancreatography (MRCP). Methods: We retrospectively evaluated CBD motion artifacts in 4 MRCP sequences from each of 115 consecutive patients. Results: We observed 37 (32.2%) ghost artifacts at the ventral and dorsal aspects of the CBD on transaxial, half-Fourier acquisition single-shot turbo spin-echo (HASTE-ax) images; no such artifacts were observed on transaxial T2-weighted turbo spin-echo images. In 10 patients, we observed 9 (7.8%) pseudo-defects of the CBD on 3-dimensional T2-weighted turbo spin-echo with navigator-triggered prospective acquisition correction technique MRCP and 6 (5.2%) pseudo-defects on single-shot rapid acquisition with relaxation enhancement MRCP. Pseudo-defects were significantly more frequent in patients with ghost artifacts than without (9 of 37 [24.3%] versus one of 78 [1.3%]; P<0.01, McNemar test). Conclusion: Although uncommon, pseudo-defects of the CBD caused by IVC pulsation are observed on MRCP. MRCP interpretation that includes comparison with HASTE-ax images can diminish the potential misinterpretation of such CBD motion artifact as bile duct tumor or biliary stone." @default.
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- W2018773504 date "2008-01-01" @default.
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- W2018773504 title "Frequency of Common Bile Duct Motion Artifacts Caused by Inferior Vena Cava Pulsation on Magnetic Resonance Cholangiopancreatography" @default.
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- W2018773504 doi "https://doi.org/10.2463/mrms.7.31" @default.
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