JP2019535434A - ディクソンタイプの水／脂肪分離を用いたｍｒイメージング - Google Patents

ディクソンタイプの水／脂肪分離を用いたｍｒイメージング Download PDF

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JP2019535434A
JP2019535434A JP2019527789A JP2019527789A JP2019535434A JP 2019535434 A JP2019535434 A JP 2019535434A JP 2019527789 A JP2019527789 A JP 2019527789A JP 2019527789 A JP2019527789 A JP 2019527789A JP 2019535434 A JP2019535434 A JP 2019535434A
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echo
signal
phase
imaging
signals
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JP2019535434A5 (enExample
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ホルガー エッガース
ホルガー エッガース
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Koninklijke Philips NV
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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)
JP2019527789A 2016-11-24 2017-11-24 ディクソンタイプの水／脂肪分離を用いたｍｒイメージング Pending JP2019535434A (ja)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
JP2019535434A true JP2019535434A (ja) 2019-12-12
JP2019535434A5 JP2019535434A5 (enExample) 2020-12-24

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

Families Citing this family (4)

* 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
CN110794351B (zh) * 2019-11-05 2021-11-16 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
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

Citations (4)

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JP2002253526A (ja) * 2001-03-02 2002-09-10 Hitachi Medical Corp 磁気共鳴イメージング装置
US20130089271A1 (en) * 2010-06-24 2013-04-11 Koninklijke Philips Electronics N.V. Dynamic contrast enhanced mr imaging with compressed sensing reconstruction
US20160033606A1 (en) * 2013-04-03 2016-02-04 Koninklijke Philips N.V. Dixon-type water/fat separation mri using high-snr in-phse image and lower-snr at least partially out-of-phase image
JP2017516551A (ja) * 2014-05-27 2017-06-22 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． マルチエコーｋ空間収集を使用するＭＲイメージング

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US4952876A (en) 1988-11-23 1990-08-28 General Electric Company Variable bandwidth multiecho NMR imaging
KR100367419B1 (ko) 2000-01-25 2003-01-10 주식회사 메디슨 Ｋ공간을 공유함으로써 ＦＳＥ기법에 3-포인트 Ｄｉｘｏｎ기법을 적용한 방법
US7027853B2 (en) 2002-09-26 2006-04-11 Board Of Regents, The University Of Texas System Data acquisition method and apparatus for MR imaging
WO2007112319A2 (en) * 2006-03-24 2007-10-04 The University Of Chicago Methods and apparatus for dynamically allocating bandwidth to spectral, temporal, and spatial dimensions during a magnetic resonance imaging procedure
CN101518445B (zh) * 2008-02-29 2011-06-01 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
WO2010018478A1 (en) * 2008-08-15 2010-02-18 Koninklijke Philips Electronics, N.V. Attenuation correction for pet or spect nuclear imaging systems using magnetic resonance spectroscopic image data
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
CN102779327B (zh) * 2011-05-12 2014-12-03 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
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
US9625547B2 (en) * 2013-03-28 2017-04-18 Universitatsspital Basel Magnetic resonance imaging method for the quantification of the T1 and/or T2 relaxation times in a sample
US10234522B2 (en) * 2013-09-16 2019-03-19 Koninklijke Philips N.V. MR imaging with dixon-type water/fat separation
WO2015091956A1 (en) * 2013-12-19 2015-06-25 Koninklijke Philips N.V. Mri with dixon-type water/fat separation with estimation of the main magnetic field variations
US9995808B2 (en) * 2014-03-10 2018-06-12 Vanderbilt University MRI using RF gradients for spatial encoding
CN105433944B (zh) * 2014-07-31 2018-07-03 西门子公司 用于获取对象的磁共振数据的方法及装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002253526A (ja) * 2001-03-02 2002-09-10 Hitachi Medical Corp 磁気共鳴イメージング装置
US20130089271A1 (en) * 2010-06-24 2013-04-11 Koninklijke Philips Electronics N.V. Dynamic contrast enhanced mr imaging with compressed sensing reconstruction
US20160033606A1 (en) * 2013-04-03 2016-02-04 Koninklijke Philips N.V. Dixon-type water/fat separation mri using high-snr in-phse image and lower-snr at least partially out-of-phase image
JP2016514563A (ja) * 2013-04-03 2016-05-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 高ｓｎｒの同相画像及び低ｓｎｒの少なくとも部分的に異相の画像を使用するディクソン型の水／脂肪分離ｍｒｉ
JP2017516551A (ja) * 2014-05-27 2017-06-22 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． マルチエコーｋ空間収集を使用するＭＲイメージング

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CN109983357A (zh) 2019-07-05
US20190310336A1 (en) 2019-10-10
EP3545325A1 (en) 2019-10-02
US10895619B2 (en) 2021-01-19
WO2018096073A1 (en) 2018-05-31

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