T2 mapping is an effective sequence of MRI that enables quantitative assessment of diseases. However, currently there are few trials to confirm its feasibility in distinguishing pancreatic changes due to benign and malignant low biliary obstruction. In this experiment, we used T2 mapping to quantify these changes, and found that T2 mapping is feasible for evaluating the changes of pancreatic parenchyma due to benign and malignant low biliary obstruction. And the value of T2 mapping in malignant group is higher than that in benign group.
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