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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