CN105103001B - 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 - Google Patents

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 Download PDF

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Publication number
CN105103001B
CN105103001B CN201480019724.9A CN201480019724A CN105103001B CN 105103001 B CN105103001 B CN 105103001B CN 201480019724 A CN201480019724 A CN 201480019724A CN 105103001 B CN105103001 B CN 105103001B
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signal
echo
echo signal
phase
noise ratio
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Expired - Fee Related
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CN201480019724.9A
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CN105103001A (zh
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H·埃格斯
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Koninklijke Philips NV
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Koninklijke Philips Electronics 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)
CN201480019724.9A 2013-04-03 2014-03-17 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 Expired - Fee Related CN105103001B (zh)

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

Publications (2)

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CN105103001A CN105103001A (zh) 2015-11-25
CN105103001B true CN105103001B (zh) 2018-10-19

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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
CN107923958B (zh) * 2015-06-26 2020-06-23 皇家飞利浦有限公司 相位校正的狄克逊磁共振成像
EP3465246B1 (en) * 2016-06-02 2024-09-11 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
US10859652B2 (en) * 2016-08-15 2020-12-08 Koninklijke Philips N.V. MR imaging with dixon-type water/fat separation
EP3545325A1 (en) * 2016-11-24 2019-10-02 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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JP6446027B2 (ja) 2018-12-26
EP2992351B1 (en) 2019-08-07
US20160033606A1 (en) 2016-02-04
WO2014162218A1 (en) 2014-10-09
JP2016514563A (ja) 2016-05-23
EP2992351A1 (en) 2016-03-09
US10274566B2 (en) 2019-04-30
CN105103001A (zh) 2015-11-25

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