CN109983357A - 具有Dixon型水/脂肪分离的MR成像 - Google Patents

具有Dixon型水/脂肪分离的MR成像 Download PDF

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Publication number
CN109983357A
CN109983357A CN201780072823.7A CN201780072823A CN109983357A CN 109983357 A CN109983357 A CN 109983357A CN 201780072823 A CN201780072823 A CN 201780072823A CN 109983357 A CN109983357 A CN 109983357A
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China
Prior art keywords
signal
echo
imaging sequence
phase
echo signal
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Pending
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CN201780072823.7A
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English (en)
Chinese (zh)
Inventor
H·埃格斯
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication of CN109983357A publication Critical patent/CN109983357A/zh
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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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5617—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using RF refocusing, e.g. RARE
    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • 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
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201780072823.7A 2016-11-24 2017-11-24 具有Dixon型水/脂肪分离的MR成像 Pending CN109983357A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16200449.3 2016-11-24
EP16200449 2016-11-24
PCT/EP2017/080286 WO2018096073A1 (en) 2016-11-24 2017-11-24 Mr imaging with dixon-type water/fat separation

Publications (1)

Publication Number Publication Date
CN109983357A true CN109983357A (zh) 2019-07-05

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CN201780072823.7A Pending CN109983357A (zh) 2016-11-24 2017-11-24 具有Dixon型水/脂肪分离的MR成像

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Country Link
US (1) US10895619B2 (enExample)
EP (1) EP3545325A1 (enExample)
JP (1) JP2019535434A (enExample)
CN (1) CN109983357A (enExample)
WO (1) WO2018096073A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110794351A (zh) * 2019-11-05 2020-02-14 国家纳米科学中心 一种双回波剪影磁共振成像方法及系统
CN111751771A (zh) * 2020-07-02 2020-10-09 北京万东医疗科技股份有限公司 一种水脂分离装置及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3599476A1 (de) 2018-07-24 2020-01-29 Siemens Healthcare GmbH Erfassen von magnetresonanz-daten mittels echozügen
EP3702800A1 (en) * 2019-02-26 2020-09-02 Koninklijke Philips N.V. Epi mr imaging with distortion correction

Citations (7)

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CN101518445A (zh) * 2008-02-29 2009-09-02 西门子（中国）有限公司 基于反转恢复技术的水脂分离成像方法及系统
CN102124361A (zh) * 2008-08-15 2011-07-13 皇家飞利浦电子股份有限公司 使用磁共振波谱图像数据对pet或spect核成像系统的衰减校正
CN102779327A (zh) * 2011-05-12 2012-11-14 上海联影医疗科技有限公司 一种基于欠采样k-空间数据的水脂分离方法
CN105103001A (zh) * 2013-04-03 2015-11-25 皇家飞利浦有限公司 使用高snr同相图像和较低snr至少部分地异相图像的dixon型水/脂肪分离mri
US20160033605A1 (en) * 2014-07-31 2016-02-04 Siemens Aktiengesellschaft Method and apparatus for acquiring magnetic resonance data
CN105556326A (zh) * 2013-09-16 2016-05-04 皇家飞利浦有限公司 具有dixon类型的水/脂肪分离的mr成像
CN105934683A (zh) * 2013-12-19 2016-09-07 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri

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JP4763142B2 (ja) * 2001-03-02 2011-08-31 株式会社日立メディコ 磁気共鳴イメージング装置
US7027853B2 (en) 2002-09-26 2006-04-11 Board Of Regents, The University Of Texas System Data acquisition method and apparatus for MR imaging
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WO2011080693A1 (en) 2009-12-30 2011-07-07 Koninklijke Philips Electronics N.V. Water -fat separation in mri using partial echoes at different echo times
CN102959388B (zh) * 2010-06-24 2016-02-24 皇家飞利浦电子股份有限公司 利用压缩感测重建的动态对比度增强mr成像
CN103257333B (zh) 2012-02-17 2016-04-13 西门子(深圳)磁共振有限公司 一种磁共振成像中的水脂分离成像方法及装置
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Publication number Priority date Publication date Assignee Title
CN101518445A (zh) * 2008-02-29 2009-09-02 西门子（中国）有限公司 基于反转恢复技术的水脂分离成像方法及系统
CN102124361A (zh) * 2008-08-15 2011-07-13 皇家飞利浦电子股份有限公司 使用磁共振波谱图像数据对pet或spect核成像系统的衰减校正
CN102779327A (zh) * 2011-05-12 2012-11-14 上海联影医疗科技有限公司 一种基于欠采样k-空间数据的水脂分离方法
CN105103001A (zh) * 2013-04-03 2015-11-25 皇家飞利浦有限公司 使用高snr同相图像和较低snr至少部分地异相图像的dixon型水/脂肪分离mri
CN105556326A (zh) * 2013-09-16 2016-05-04 皇家飞利浦有限公司 具有dixon类型的水/脂肪分离的mr成像
CN105934683A (zh) * 2013-12-19 2016-09-07 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
US20160033605A1 (en) * 2014-07-31 2016-02-04 Siemens Aktiengesellschaft Method and apparatus for acquiring magnetic resonance data

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110794351A (zh) * 2019-11-05 2020-02-14 国家纳米科学中心 一种双回波剪影磁共振成像方法及系统
CN111751771A (zh) * 2020-07-02 2020-10-09 北京万东医疗科技股份有限公司 一种水脂分离装置及方法
CN111751771B (zh) * 2020-07-02 2022-09-30 北京万东医疗科技股份有限公司 一种水脂分离装置及方法

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US10895619B2 (en) 2021-01-19
EP3545325A1 (en) 2019-10-02
US20190310336A1 (en) 2019-10-10
WO2018096073A1 (en) 2018-05-31
JP2019535434A (ja) 2019-12-12

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Application publication date: 20190705