OPTIMIZATION OF FLIP ANGLE FOR T1 DEPENDENT CONTRAST IN MRI

被引：38
|
作者：
PELC, NJ
机构：
来源：
MAGNETIC RESONANCE IN MEDICINE | 1993年 / 29卷 / 05期
关键词：
MRI; FLIP ANGLE; T1; CONTRAST; OPTIMIZATION;
D O I：
10.1002/mrm.1910290519
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
The flip angle which maximizes contrast between materials with different T1 can be calculated from the root of a cubic expression. A simple closed form expression can be used if contrast is defined in a differential sense and results in only slight contrast loss even with large T1 differences.
引用
收藏
页码：695 / 699
页数：5
相关论文
共 50 条
  • [41] Tissue Necrosis Monitoring for HIFU Ablation with T1 Contrast MRI Imaging
    Hwang, San-Chao
    Yao, Ching
    Kuo, Ih-Yuan
    Tsai, Wei-Cheng
    Chang, Hsu
    10TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND (ISTU 2010), 2011, 1359 : 157 - 162
  • [42] Shape-controlled MnO nanoparticles as T1 MRI contrast agents
    Banerjee, A.
    Zeng, W.
    Taheri, M.
    Blasiak, B.
    Tomanek, B.
    Trudel, S.
    AIP ADVANCES, 2019, 9 (12)
  • [43] Imperfect spoiling in variable flip angle T1 mapping at 7T: Quantifying and minimizing impact
    Corbin, Nadege
    Callaghan, Martina F.
    MAGNETIC RESONANCE IN MEDICINE, 2021, 86 (02) : 693 - 708
  • [44] Contrast-insensitive motion correction for MRI cardiac T1 mapping
    Yue, Chengyu
    Huang, Lu
    Huang, Lihong
    Guo, Yi
    Tao, Qian
    Xia, Liming
    Wang, Yuanyuan
    BIOMEDICAL SIGNAL PROCESSING AND CONTROL, 2025, 102
  • [45] Shape-dependent cellular behaviors and relaxivity of iron oxide-based T1 MRI contrast agents
    Sherwood, J.
    Lovas, K.
    Rich, M.
    Yin, Q.
    Lackey, K.
    Bolding, M. S.
    Bao, Y.
    NANOSCALE, 2016, 8 (40) : 17506 - 17515
  • [46] Rapid 2D variable flip angle method for accurate and precise T1 measurements over a wide range of T1 values
    Lena, Beatrice
    Bos, Clemens
    Ferrer, Cyril J.
    Moonen, Chrit T. W.
    Viergever, Max A.
    Bartels, Lambertus W.
    NMR IN BIOMEDICINE, 2021, 34 (08)
  • [47] Simultaneous T1 and B1+ Mapping Using Reference Region Variable Flip Angle Imaging
    Sung, Kyunghyun
    Saranathan, Manojkumar
    Daniel, Bruce L.
    Hargreaves, Brian A.
    MAGNETIC RESONANCE IN MEDICINE, 2013, 70 (04) : 954 - 961
  • [48] The impact of reliable prebolus T1 measurements or a fixed T1 value in the assessment of glioma patients with dynamic contrast enhancing MRI
    Anna Tietze
    Kim Mouridsen
    Irene Klærke Mikkelsen
    Neuroradiology, 2015, 57 : 561 - 572
  • [49] Flip angle optimization for dynamic contrast-enhanced MRI-studies with spoiled gradient echo pulse sequences
    De Naeyer, D.
    Verhulst, J.
    Ceelen, W.
    Segers, P.
    De Deene, Y.
    Verdonck, P.
    PHYSICS IN MEDICINE AND BIOLOGY, 2011, 56 (16): : 5373 - 5395
  • [50] B1 INHOMOGENEITY EFFECTS ON SPIN-DENSITY AND T1 CONTRAST IN MRI
    DELUCA, F
    CRESCENZI, A
    MARAVIGLIA, B
    DESIMONE, BC
    CAMPANELLA, R
    CASIERI, C
    LUZZI, M
    NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS, 1988, 10 (01): : 31 - 41
12345