ISSN: 1859 - 2872
The value of magnetic resonance imaging in the diagnosis of main bile duct stones
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Abstract
Objective: To determine the diagnostic value of magnetic resonance imaging (MRI) of main bile duct stones. Subject and method: A prospective, controlled study on 84 patients with main bile duct stones at Department of Hepato - biliary and Pancreatic Surgery, 108 Military Central Hospital from June 2017 to March 2020. Who received preoperative MRI to determine the location and number of stones and treated with laparoscopic surgery. Intraoperative findings of the location and the number of stones were to compare with the preoperative MRI findings. Result: MRI in the determination of location common bile duct stones: Sensitivity 97.05% and specificity 93.75% and accuracy 96.42% and positive predictive value 98.5% and negative predictive value 88.23%. Right intrahepatic stones location: Sensitivity 95.65% and specificity 94.73% and accuracy 95.23% and positive predictive value 95.65% and negative predictive value 94.73%. Left intrahepatic stones location: Sensitivity 96.49% and specificity 88.88% and accuracy 94.04% and positive predictive value 94.82% and negative predictive value 92.30%. MRI diagnostic of the number of stone: Sensitivity 77.8% and specificity 98.7% and accuracy 96.4% and positive predictive value 87.5% and negative predictive value 97.4%. Conclusion: The MRI was demonstrated to be a non-invasive and high sensitivity and high specificity and high accuracy in diagnostic tool for main bile duct stones.
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References
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