scholarly journals First order correction for T2*-relaxation in determining contrast agent concentration from spoiled gradient echo pulse sequence signal intensity

2011 ◽  
Vol 34 (3) ◽  
pp. 710-715 ◽  
Author(s):  
Dieter De Naeyer ◽  
Isabelle Debergh ◽  
Yves De Deene ◽  
Wim P. Ceelen ◽  
Patrick Segers ◽  
...  
Keyword(s):  
Contrast Agent ◽  
Signal Intensity ◽  
Pulse Sequence ◽  
Gradient Echo ◽  
T2 Relaxation ◽  
Contrast Agent Concentration ◽  
First Order ◽  
First Order Correction ◽  
Echo Pulse ◽  
Spoiled Gradient Echo

Correlation between dose rate and T1 in blood at gd-enhanced MR angiography

1998 ◽  
Vol 39 (5) ◽  
pp. 579-582 ◽  
Author(s):  
L. O. M. Johansson ◽  
H. K. Ahlström
Keyword(s):  
Time Delay ◽  
Contrast Agent ◽  
Dose Rate ◽  
Abdominal Aorta ◽  
Signal Intensity ◽  
Mr Angiography ◽  
Pulse Sequence ◽  
Test Dose ◽  
Contrast Enhanced ◽  
First Pass

Purpose: to determine the correlation between dose rate and T1 in blood at Gd-enhanced MR angiography (MRA) Material and Methods: A test dose of contrast agent was used to calculate the time delay between injection and arrival in the abdominal aorta. the dose rate was expressed as ml · kg b.w.−1 · s−1. the correlation between dose rate and T1 was determined by varying the dose rate while keeping the scanning and infusion times constant. the signal intensity in the abdominal aorta was measured during the first pass of Gd and compared with markers of known T1 values Results: A correlation between dose rate and T1 in blood was obtained Conclusion: A Gd dose rate of 0.01 ml · kg b.w.−1 · s−1 gives a T1 in blood of 100 ms. This can be used to calculate the optimal pulse sequence for contrast-enhanced MRA

T1-weighted spoiled gradient-echo MR imaging of focal hepatic lesion: comparison of in-phase vs opposed-phase pulse sequence

1997 ◽  
Vol 7 (7) ◽  
pp. 1048-1053 ◽  
Author(s):  
P. Soyer ◽  
Y. Rondeau ◽  
A.-C. Dufresne ◽  
L. Spelle ◽  
E. Somveille ◽  
...  
Keyword(s):  
Mr Imaging ◽  
Pulse Sequence ◽  
Hepatic Lesion ◽  
Gradient Echo ◽  
Focal Hepatic Lesion ◽  
Spoiled Gradient Echo

scholarly journals 468. Investigation of MR-Cholangiography using time-reversed gradient echo pulse sequence (PSIF).

1994 ◽  
Vol 50 (8) ◽  
pp. 1383
Author(s):  
Tsutomu Kikuchi ◽  
Hidekazu Tsubota ◽  
Tomoyasu Tsuzuki ◽  
Hidekazu Fujii ◽  
Hidetoki Yokoyama
Keyword(s):  
Pulse Sequence ◽  
Gradient Echo ◽  
Gradient Echo Pulse Sequence ◽  
Mr Cholangiography ◽  
Echo Pulse

scholarly journals Effects of Contrast Agent Concentration on the Signal Intensity and Turbo Factor of TSE and Slice-selective IR in T1-weighted Contrast Imaging

2016 ◽  
Vol 21 (1) ◽  
pp. 115-124 ◽  
Author(s):  
Yong Soo Han ◽  
Soo Chul Lee ◽  
Dong Yong Lee ◽  
Jiwon Choi ◽  
Jong Woong Lee ◽  
...  
Keyword(s):  
Contrast Agent ◽  
Signal Intensity ◽  
Contrast Imaging ◽  
Contrast Agent Concentration

scholarly journals Differentiation of Native and Reconstructed Ferritin using the MRI Gradient Echo Pulse Sequence

2017 ◽  
Vol 131 (4) ◽  
pp. 1093-1095
Author(s):  
L. Balejcikova ◽  
O. Strbak ◽  
L. Baciak ◽  
J. Kovac ◽  
M. Masarova ◽  
...  
Keyword(s):  
Pulse Sequence ◽  
Gradient Echo ◽  
Gradient Echo Pulse Sequence ◽  
Echo Pulse

scholarly journals A magnetization-driven gradient echo pulse sequence for the study of myocardial perfusion

1995 ◽  
Vol 34 (2) ◽  
pp. 276-282 ◽  
Author(s):  
Robert M. Judd ◽  
Scott B. Reeder ◽  
Ergin Atalar ◽  
Elliot R. Mcveigh ◽  
Elias A. Zerhouni
Keyword(s):  
Myocardial Perfusion ◽  
Pulse Sequence ◽  
Gradient Echo ◽  
Gradient Echo Pulse Sequence ◽  
Echo Pulse
Sign in / Sign up

Export Citation Format

Share Document