Abstract #4089
Non-gated Single Breath-Hold MR cholangiopancreatography (MRCP) with 3D bSSFP: Comparison with Respiratory Gated 3D FSE
Akiyoshi Yamamoto 1 , Hiroki Matoba 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
A non-gated single 15-sec breath-hold 3D-MRCP technique
using bSSFP was developed and the feasibility of the
proposed method for the visualization of bile ducts was
compared using respiratory gated 3D-FSE MRCP with
several minutes of scan time. The single breath-hold
bSSFP-MRCP technique was optimized in flip angle and the
number of segmentations to obtain good contrast of bile
fluid over blood signal with maintaining the 15 sec
breath-holding. The proposed bSSFP-MRCP technique gave
equal to FSE-MRCP in the visualization of common bile
duct and intrahepatic bile duct.
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