Evaluation of the biliary tract: The value of performing magnetic resonance cholangiopancreatography in conjunction with a 3-D spoiled gradient-echo gadolinium enhanced dynamic sequence

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The 3-D gradient-echo (GRE) sequence allows thinner sections and better resolution of biliary obstruction. When the presence of biliary obstruction is identified using magnetic resonance cholangiopancreatography, the addition of the 3-D GRE sequence may be helpful for diagnosing biliary obstruction. By showing the changes in the bile duct wall, within the duct lumen and around the bile duct, this technique can be helpful for distinguishing benign from malignant stricture as well as a stone from an enhancing intraluminal mass.

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