spectroscopic imaging;
human brain;
steady state;
missing pulse;
D O I:
10.1002/mrm.21787
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 use of spectroscopic Missing Pulse - SSFP (spMP-SSFP) for fast three-dimensional (3D) proton MR spectroscopic imaging (MRSI) at 7 Tesla (T) is demonstrated. Sequence modifications were required regarding the limits of the specific absorption rate as well as hardware limitations with respect to maximum B, field strength and B(0) gradient slew rate, as compared to previous studies performed at 3T. The combination of two spatially selective radiofrequency (RF) pulses (with orthogonal slice orientation) and a dual-band chemical shift selective RF pulse for simultaneous water and lipid suppression proved to enable fast 3D MRSI measurements of the brain of healthy volunteers. Using a total measurement time of approximately 8.5 minutes and a nominal and real voxel size of 0.62 cm(3) and 2.6 cm(3), respectively, signals of N-acetyl aspartate, total creatine, choline containing compounds, myo-inositol, and glutamate+glutamine could be detected. Magn Reson Med 60:1243-1249, 2008. (C) 2008 Wiley-Liss, Inc.
机构:
Univ Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Univ Calif San Francisco, Surbeck Lab Adv Imaging, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Zierhut, Matthew L.
Ozturk-Isik, Esin
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USAUniv Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Ozturk-Isik, Esin
Chen, Albert P.
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h-index: 0
机构:
Univ Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Univ Calif San Francisco, Surbeck Lab Adv Imaging, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Chen, Albert P.
Park, Ilwoo
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h-index: 0
机构:
Univ Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Univ Calif San Francisco, Surbeck Lab Adv Imaging, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Park, Ilwoo
Vigneron, Daniel B.
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h-index: 0
机构:
Univ Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USAUniv Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
Vigneron, Daniel B.
Nelson, Sarah J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USAUniv Calif San Francisco, UCB Joint Grad Grp Bioengn, San Francisco, CA 94143 USA
机构:
Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Li, Yan
Larson, Peder
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h-index: 0
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Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Larson, Peder
Chen, Albert P.
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h-index: 0
机构:
GE Healthcare, Toronto, ON, CanadaUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Chen, Albert P.
Lupo, Janine M.
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h-index: 0
机构:
Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Lupo, Janine M.
Ozhinsky, Eugene
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h-index: 0
机构:
Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Ozhinsky, Eugene
Kelley, Douglas
论文数: 0引用数: 0
h-index: 0
机构:
GE Healthcare, San Francisco, CA USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Kelley, Douglas
Chang, Susan M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif San Francisco, Dept Neurol Surg, San Francisco, CA USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Chang, Susan M.
Nelson, Sarah J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
Univ Calif San Francisco, Dept Bioengn & Therapeut Sci, San Francisco, CA 94143 USAUniv Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94143 USA
机构:
Aix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Lecocq, Angele
Le Fur, Yann
论文数: 0引用数: 0
h-index: 0
机构:
Aix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Le Fur, Yann
Amadon, Alexis
论文数: 0引用数: 0
h-index: 0
机构:
CEA, DSV, I2BM, UNIRS,Neurospin, Gif Sur Yvette, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Amadon, Alexis
Vignaud, Alexandre
论文数: 0引用数: 0
h-index: 0
机构:
CEA, DSV, I2BM, UNIRS,Neurospin, Gif Sur Yvette, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Vignaud, Alexandre
Cozzone, Patrick J.
论文数: 0引用数: 0
h-index: 0
机构:
Aix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Cozzone, Patrick J.
Guye, Maxime
论文数: 0引用数: 0
h-index: 0
机构:
Aix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Hop Enfants La Timone, APHM, Pole Imagerie Med, CEMEREM, F-13385 Marseille, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France
Guye, Maxime
Ranjeva, Jean-Philippe
论文数: 0引用数: 0
h-index: 0
机构:
Aix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, FranceAix Marseille Univ, CRMBM, UMR 7339, CNRS,Fac Med Timone, F-13385 Marseille 05, France