Three-dimensional CT angiography of the hepatic artery: use of multi-detector row helical CT and a contrast agent.
The administration of a contrast agent to obtain optimal images at three-dimensional computed tomographic (CT) angiography of the hepatic artery by using multi-detector row helical CT was investigated. Three-dimensional CT angiographic images were evaluated visually, and quantitative evaluation was performed by measuring the postcontrast CT number of the aorta. The injection rate of 5 mL/sec was significantly superior to that of 4 mL/sec in both evaluations. At administration of a contrast agent with 300 or 350 milligrams of iodine per milliliter, there were no significant differences in either evaluations. The preferable injection rate to obtain sufficient three-dimensional CT angiographic data was 5 mL/sec.
Tanikake
Masato
M
Department of Radiology, Osaka Medical College, 2-7 Daigaku-machi, Takatsuki, Osaka 569-8686, Japan.
Shimizu
Tadafumi
T
Narabayashi
Isamu
I
Matsuki
Mitsuru
M
Masuda
Kiyohiro
K
Yamamoto
Kazuhiro
K
Uesugi
Yasuo
Y
Yoshikawa
Shushi
S
D000368:Aged; D000792:Angiography / Q000379:methods; D003287:Contrast Media / Q000008:administration & dosage; D005260:Female; D006499:Hepatic Artery / Q000000981:diagnostic imaging*; D006801:Humans; D021621:Imaging, Three-Dimensional; D007479:Iopamidol / Q000008:administration & dosage / Q000031:analogs & derivatives*; D008107:Liver Diseases / Q000000981:diagnostic imaging; D008297:Male; D036542:Tomography, Spiral Computed; D014057:Tomography, X-Ray Computed
D003287:Contrast Media; C057937:iomeprol; D007479:Iopamidol