JP6446027B2 - 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 - Google Patents

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 Download PDF

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JP6446027B2
JP6446027B2 JP2016505901A JP2016505901A JP6446027B2 JP 6446027 B2 JP6446027 B2 JP 6446027B2 JP 2016505901 A JP2016505901 A JP 2016505901A JP 2016505901 A JP2016505901 A JP 2016505901A JP 6446027 B2 JP6446027 B2 JP 6446027B2
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signal
echo
phase
protons
fat
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JP2016514563A (ja
JP2016514563A5 (enExample
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ホルゲル エッゲルス
ホルゲル エッゲルス
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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
    • G01R33/54—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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
    • 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
    • G01R33/561—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
    • G01R33/5615—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]
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (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)
JP2016505901A 2013-04-03 2014-03-17 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 Expired - Fee Related JP6446027B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361807783P 2013-04-03 2013-04-03
US61/807,783 2013-04-03
PCT/IB2014/059890 WO2014162218A1 (en) 2013-04-03 2014-03-17 Dixon-type water/fat separation mri using high-snr in-phase image and lower-snr at least partially out-of-phase image

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JP2016514563A JP2016514563A (ja) 2016-05-23
JP2016514563A5 JP2016514563A5 (enExample) 2017-04-13
JP6446027B2 true JP6446027B2 (ja) 2018-12-26

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US (1) US10274566B2 (enExample)
EP (1) EP2992351B1 (enExample)
JP (1) JP6446027B2 (enExample)
CN (1) CN105103001B (enExample)
WO (1) WO2014162218A1 (enExample)

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EP2933651B1 (en) * 2014-04-17 2020-03-18 Albert-Ludwigs-Universität Freiburg MRI Method of Hybrid Acquisition in 3D TSE
WO2016207035A1 (en) * 2015-06-26 2016-12-29 Koninklijke Philips N.V. Phase corrected dixon magnetic resonance imaging
RU2739479C2 (ru) 2016-06-02 2020-12-24 Конинклейке Филипс Н.В. Магнитно-резонансная томография с разделением воды и жира по методу диксона
JP6928077B2 (ja) * 2016-08-15 2021-09-01 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ディクソン型の水／脂肪分離を用いるｍｒ撮像
US10895619B2 (en) 2016-11-24 2021-01-19 Koninklijke Philips N.V. MR imaging with Dixon-type water/fat separation
WO2018114554A1 (en) 2016-12-20 2018-06-28 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
EP3447517A1 (en) * 2017-08-24 2019-02-27 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
EP3462204A1 (en) * 2017-09-28 2019-04-03 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging with improved fat shift correction
EP3483618B1 (de) * 2017-11-09 2021-12-29 Siemens Healthcare GmbH Verfahren zur erzeugung eines kombinationsbilddatensatzes aus zwei magnetresonanzbilddatensätzen zur trennung zweier spinspezies
DE102017221154A1 (de) * 2017-11-27 2019-05-29 Siemens Healthcare Gmbh Verbesserung der Bildqualität bei Dixon-Turbo-Spin-Echo-Sequenzen
KR102062766B1 (ko) 2017-12-11 2020-01-06 삼성전자주식회사 물 지방 분리 영상을 획득하는 방법 및 그 자기 공명 영상 장치
EP3579009A1 (en) * 2018-06-05 2019-12-11 Koninklijke Philips N.V. Zero echo time mr imaging with water-fat separation
EP3792647A1 (en) * 2019-09-16 2021-03-17 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
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
CN114820403B (zh) 2021-01-27 2025-04-29 西门子(深圳)磁共振有限公司 磁共振水脂图像分离方法、装置、成像系统及存储介质
CN113093077B (zh) * 2021-04-08 2021-12-14 无锡鸣石峻致医疗科技有限公司 3d-dess序列的优化方法、3d-dess优化序列和磁共振成像的匀场方法

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JPH0751124B2 (ja) 1985-09-18 1995-06-05 株式会社日立メディコ 化学シフト値を用いたｎｍｒ検査装置
JPS63135147A (ja) * 1986-11-28 1988-06-07 横河メディカルシステム株式会社 Ｎｍｒ撮像方法
JPH09238918A (ja) 1996-03-12 1997-09-16 Toshiba Corp 磁気共鳴イメージング装置
US20050215882A1 (en) * 2004-03-23 2005-09-29 The Regents Of The University Of Michigan Noninvasive method to determine fat content of tissues using MRI
WO2006121827A2 (en) * 2005-05-06 2006-11-16 Board Of Regents, The University Of Texas System System, program product, and method of acquiring and processing mri data for simultaneous determination of water, fat, and transverse relaxation time constants
US7592810B2 (en) * 2006-04-25 2009-09-22 The Board Of Trustees Of The Leland Stanford Junior University MRI methods for combining separate species and quantifying a species
CN101305908B (zh) 2007-05-17 2011-08-03 西门子公司 提高并行采集图像重建的信噪比损失的准确度的方法
US7518364B1 (en) 2008-01-18 2009-04-14 The Board Of Trustees Of The Leland Stanford Junior University Species separation using selective spectral supression in balanced steady-state free precession imaging
DE102009014498B4 (de) * 2009-03-23 2011-03-24 Siemens Aktiengesellschaft Verfahren, Magnetresonanzgerät und Computerprogramm zur Erstellung von Bildern mittels paralleler Akquisitionstechnik
EP2461175A1 (en) * 2010-12-02 2012-06-06 Koninklijke Philips Electronics N.V. MR imaging using a multi-point Dixon technique
CN102525460B (zh) * 2010-12-29 2013-11-06 西门子(深圳)磁共振有限公司 一种磁共振成像水脂图像辨析方法及装置
US10107882B2 (en) * 2013-06-06 2018-10-23 Koninklijke Philips N.V. Parallel MRi with B0 distortion correction and multi-echo dixon water-fat separation using regularised sense reconstruction
DE102013215703B3 (de) * 2013-08-08 2015-02-05 Siemens Aktiengesellschaft Bestimmung einer T1-Zeit von Wasser und einer T1-Zeit von Fett
US10234522B2 (en) * 2013-09-16 2019-03-19 Koninklijke Philips N.V. MR imaging with dixon-type water/fat separation

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JP2016514563A (ja) 2016-05-23
EP2992351B1 (en) 2019-08-07
US10274566B2 (en) 2019-04-30
EP2992351A1 (en) 2016-03-09
CN105103001A (zh) 2015-11-25
US20160033606A1 (en) 2016-02-04
CN105103001B (zh) 2018-10-19
WO2014162218A1 (en) 2014-10-09

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