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Abstract #0346

Evaluation of Portal Vein System in patients after liver transplantation by Unenhanced MR Angiography Using Spatial Labeling with Multiple Inversion Pulses Sequence and by CT portography

hao tang1, daoyu hu, xiaoyan meng, zi wang, zhen li, and yanchun wang

1Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China

Unenhanced MR angiography with spatial labeling with multiple inversion pulses (SLEEK) is a reliable method for depicting portal vein system in patients with liver transplantation compared with computed tomographic portography (CTP) results. In a study of 20 patients who underwent liver transplantation, we found that there was excellent correlation between SLEEK and CTP in presenting the diameter of portal vein. Unenhanced MRA using SLEEK is relatively inexpensive and is not associated with renal complications. It can be as a good choice for screening portal vein system in patients with liver transplantation, especially in patients with renal insufficiency.

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