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Abstract #4511

Dietary intake enhances the visualization of MR portography using non-contrast-enhanced time-spatial labeling inversion pulse (Time-SLIP) - Evaluation of temporal change after meal to determine an appropriate examination timing -

Hiroki Matoba 1 , Akiyoshi Yamamoto 1 , Yuji Shintani 1 , Daiji Uchiyama 1 , Seigo Yoshida 1 , Katsumi Nakamura 1,2 , and Mitsue Miyazaki 3

1 Radiology, Tobata Kyoritsu Hospital, Kitakyusyu, Fukuoka, Japan, 2 Radiology, Hikari Central Hospital, Hikari, Yamaguchi, Japan, 3 Toshiba Medical Research Institute USA, Vernon Hills, Illinois, United States

We evaluate the visualization of sequential MR portography by using the Time-SLIP flow-in technique after food intake to determine an appropriate examination timing. MR portography was performed on 5 healthy volunteers at pre-meal, just after meal, 30 minutes after, 1 hour after, 2 hours after, 3 hours after, and 4 hours after. The visualization of extra- and intra-hepatic portal veins was significantly improved after food intake which increased portal venous flow, among which especially prominent at 1 to 2 hours after meal, which were thought to the appropriate timing to perform Time-SLIP flow-in portogrpahy rather than during the fasting period

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