JP4675556B2 - 脂肪／水分分離と脂肪を最小化する核磁気共鳴撮像システムと方法 - Google Patents

脂肪／水分分離と脂肪を最小化する核磁気共鳴撮像システムと方法 Download PDF

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JP4675556B2
JP4675556B2 JP2003293662A JP2003293662A JP4675556B2 JP 4675556 B2 JP4675556 B2 JP 4675556B2 JP 2003293662 A JP2003293662 A JP 2003293662A JP 2003293662 A JP2003293662 A JP 2003293662A JP 4675556 B2 JP4675556 B2 JP 4675556B2
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fat
image
phase
water
moisture
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JP2004073866A (ja
JP2004073866A5 (enExample
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ダニエル・ブレゼク
パリトッシュ・ダーウェール
ウィリアム・ディクソン
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General Electric Co
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2003293662A 2002-08-15 2003-08-15 脂肪／水分分離と脂肪を最小化する核磁気共鳴撮像システムと方法 Expired - Lifetime JP4675556B2 (ja)

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US10/219,637 US7099499B2 (en) 2002-08-15 2002-08-15 Fat/water separation and fat minimization magnetic resonance imaging systems and methods

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JP2004073866A JP2004073866A (ja) 2004-03-11
JP2004073866A5 JP2004073866A5 (enExample) 2006-10-05
JP4675556B2 true JP4675556B2 (ja) 2011-04-27

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US (1) US7099499B2 (enExample)
EP (1) EP1389734A3 (enExample)
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CN103238082B (zh) 2010-12-02 2015-07-15 皇家飞利浦电子股份有限公司 使用多点Dixon技术和低分辨率校准的MR成像
US9030201B2 (en) 2011-01-27 2015-05-12 Siemens Medical Solutions Usa, Inc. System and method for independent manipulation of a fat and a water component in magnetic resonance imaging
DE102011004881B4 (de) * 2011-03-01 2012-10-31 Siemens Aktiengesellschaft Verarbeiten von komplexen Bilddaten eines Untersuchungsobjekts mit unterschiedlichen Spin-Spezies in der MR-Bildgebung
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JP6014266B2 (ja) * 2013-08-07 2016-10-25 株式会社日立製作所 磁気共鳴撮影装置および水脂肪分離方法
CN103549954B (zh) * 2013-10-29 2016-04-06 华东师范大学 一种磁共振成像三维相位去折叠方法及其装置
JP6588979B2 (ja) * 2014-11-14 2019-10-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 追加の１８０°ｒｆパルスを有するスピンエコーパルスシーケンスを用いた磁気共鳴フィンガープリンティング
CN107209237B (zh) * 2014-12-04 2020-01-07 皇家飞利浦有限公司 使用先验知识的狄克逊磁共振成像
CN107209236B (zh) * 2015-02-02 2020-08-04 皇家飞利浦有限公司 用于确定mr系统的性能退化的mr指纹识别
US10251599B2 (en) * 2015-04-24 2019-04-09 Inserm(Institut National De La Santéet De La Recherche Médicale) Method for post-processing magnetic resonance imaging images in a clinical context
EP3286574B1 (en) * 2015-04-24 2022-11-09 Institut National de la Santé et de la Recherche Médicale (INSERM) Method for fat characterization using mri images acquired using a multiple gradient-echo sequence with bipolar gradients
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CN109620228B (zh) * 2018-12-20 2023-01-03 上海联影医疗科技股份有限公司 磁共振成像中脂肪零点偏差校正方法及磁共振成像方法
CN111856360A (zh) 2019-04-24 2020-10-30 通用电气精准医疗有限责任公司 用于获取磁共振成像数据的方法和磁共振成像系统
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CN116098605B (zh) * 2023-04-04 2023-06-27 哈尔滨医科大学 一种多核素同步一体化磁共振成像用水模及其使用方法
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EP1389734A2 (en) 2004-02-18
US7099499B2 (en) 2006-08-29
JP2004073866A (ja) 2004-03-11
EP1389734A3 (en) 2005-04-06
US20040032977A1 (en) 2004-02-19

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