A FAST GRADIENT-RECALLED MRI TECHNIQUE WITH INCREASED SENSITIVITY TO DYNAMIC SUSCEPTIBILITY EFFECTS

被引:99
作者
MOONEN, CTW
LIU, GY
VANGELDEREN, P
SOBERING, G
机构
[1] In Vivo NMR Research Center, National Institutes of Health, Bethesda, Maryland, 20892, Building 10
关键词
D O I
10.1002/mrm.1910260118
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
A fast imaging method that is based on gradient‐recalled echoes of spins whose excitation and echo formation are separated by more than one TR period is presented. This method does not incorporate chemical‐shift refocusing and thus results in drastically increased sensitivity to dynamic susceptibility erects, while maintaining a short total imaging time. The efficiency of the new technique is demonstrated in dynamic contrast‐enhanced experiments (bolus tracking) in the cat brain using a duration of 600 ms for each image. Blood volume maps are derived with expected contrast between white and gray matter. Copyright © 1992 Wiley‐Liss, Inc., A Wiley Company
引用
收藏
页码:184 / 189
页数:6
相关论文
共 13 条
  • [1] FUNCTIONAL MAPPING OF THE HUMAN VISUAL-CORTEX BY MAGNETIC-RESONANCE-IMAGING
    BELLIVEAU, JW
    KENNEDY, DN
    MCKINSTRY, RC
    BUCHBINDER, BR
    WEISSKOFF, RM
    COHEN, MS
    VEVEA, JM
    BRADY, TJ
    ROSEN, BR
    [J]. SCIENCE, 1991, 254 (5032) : 716 - 719
  • [2] SELECTION OF COHERENCE-TRANSFER PATHWAYS IN NMR PULSE EXPERIMENTS
    BODENHAUSEN, G
    KOGLER, H
    ERNST, RR
    [J]. JOURNAL OF MAGNETIC RESONANCE, 1984, 58 (03) : 370 - 388
  • [3] Ernst RR, 1987, PRINCIPLES NUCL MAGN, P118
  • [4] FLASH IMAGING - RAPID NMR IMAGING USING LOW FLIP-ANGLE PULSES
    HAASE, A
    FRAHM, J
    MATTHAEI, D
    HANICKE, W
    MERBOLDT, KD
    [J]. JOURNAL OF MAGNETIC RESONANCE, 1986, 67 (02) : 258 - 266
  • [5] Lassen NA, 1979, TRACER KINETIC METHO
  • [6] MATTHAEI D, 1985, LANCET, V2, P893
  • [7] HIGHLY EFFECTIVE WATER SUPPRESSION FOR INVIVO PROTON NMR-SPECTROSCOPY (DRYSTEAM)
    MOONEN, CTW
    VANZIJL, PCM
    [J]. JOURNAL OF MAGNETIC RESONANCE, 1990, 88 (01): : 28 - 41
  • [8] FUNCTIONAL MAGNETIC-RESONANCE-IMAGING IN MEDICINE AND PHYSIOLOGY
    MOONEN, CTW
    VANZIJL, PCM
    FRANK, JA
    LEBIHAN, D
    BECKER, ED
    [J]. SCIENCE, 1990, 250 (4977) : 53 - 61
  • [9] OXYGENATION-SENSITIVE CONTRAST IN MAGNETIC-RESONANCE IMAGE OF RODENT BRAIN AT HIGH MAGNETIC-FIELDS
    OGAWA, S
    LEE, TM
    NAYAK, AS
    GLYNN, P
    [J]. MAGNETIC RESONANCE IN MEDICINE, 1990, 14 (01) : 68 - 78
  • [10] ROSEN BR, 1989, MAGN RESON Q, V5, P26