JP6928077B2 - ディクソン型の水／脂肪分離を用いるｍｒ撮像 - Google Patents

ディクソン型の水／脂肪分離を用いるｍｒ撮像 Download PDF

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JP6928077B2
JP6928077B2 JP2019506635A JP2019506635A JP6928077B2 JP 6928077 B2 JP6928077 B2 JP 6928077B2 JP 2019506635 A JP2019506635 A JP 2019506635A JP 2019506635 A JP2019506635 A JP 2019506635A JP 6928077 B2 JP6928077 B2 JP 6928077B2
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echo signal
magnetic field
fat
signal
prescan
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JP2019524303A (ja
JP2019524303A5 (enExample
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ウィアート エルウィン デ
ウィアート エルウィン デ
アドリアーン レーンダート モーランド
アドリアーン レーンダート モーランド
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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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/243—Spatial mapping of the polarizing magnetic field
    • 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)
  • 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)
JP2019506635A 2016-08-15 2017-08-15 ディクソン型の水／脂肪分離を用いるｍｒ撮像 Active JP6928077B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16184159.8 2016-08-15
EP16184159 2016-08-15
PCT/EP2017/070674 WO2018033535A1 (en) 2016-08-15 2017-08-15 Mr imaging with dixon-type water/fat separation

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JP2019524303A JP2019524303A (ja) 2019-09-05
JP2019524303A5 JP2019524303A5 (enExample) 2020-09-10
JP6928077B2 true JP6928077B2 (ja) 2021-09-01

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US (1) US10859652B2 (enExample)
EP (1) EP3497456B1 (enExample)
JP (1) JP6928077B2 (enExample)
CN (1) CN109716155B (enExample)
WO (1) WO2018033535A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111047597B (zh) * 2019-12-30 2023-04-25 中国科学院武汉物理与数学研究所 一种基于深度学习的多回波水脂分离方法
EP3859366A1 (en) * 2020-01-30 2021-08-04 Koninklijke Philips N.V. Mr imaging using dixon-type water/fat separation with suppression of flow-induced leakage and/or swapping artifacts
CN114159027B (zh) * 2021-11-26 2024-04-12 浙江大学 一种变回波个数的磁共振指纹成像方法
WO2023108325A1 (zh) * 2021-12-13 2023-06-22 中国科学院深圳先进技术研究院 脂肪定量成像方法、装置、设备及其存储介质
CN116262037A (zh) * 2021-12-13 2023-06-16 中国科学院深圳先进技术研究院 脂肪定量成像方法、装置、设备及其存储介质
CN117148244A (zh) * 2022-05-24 2023-12-01 上海联影医疗科技股份有限公司 图像水脂分离方法、装置、设备和计算机可读存储介质
CN116165585A (zh) * 2022-12-26 2023-05-26 清华大学 基于回波平面时间分辨序列的磁共振温度成像方法及装置

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* Cited by examiner, † Cited by third party
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US6263228B1 (en) * 1998-08-27 2001-07-17 Toshiba America, Mri, Inc. Method and apparatus for providing separate water-dominant and fat-dominant images from single scan single point dixon MRI sequences
JP3907944B2 (ja) * 2000-12-28 2007-04-18 株式会社日立メディコ 磁気共鳴イメージング方法及び装置
US8502538B2 (en) * 2009-03-19 2013-08-06 Kabushiki Kaisha Toshiba B1 and/or B0 mapping in MRI system using k-space spatial frequency domain filtering with complex pixel by pixel off-resonance phase in the B0 map
US20110140696A1 (en) 2009-12-15 2011-06-16 Huanzhou Yu System and method for quantitative species signal separation using mr imaging
US8373415B2 (en) * 2010-04-15 2013-02-12 Wisconsin Alumni Research Foundation Method for separating magnetic resonance imaging signals using spectral distinction of species
WO2011139232A1 (en) 2010-05-03 2011-11-10 Nanyang Technological University Automated identification of adipose tissue, and segmentation of subcutaneous and visceral abdominal adipose tissue
EP2503348A1 (en) 2011-03-24 2012-09-26 Koninklijke Philips Electronics N.V. MRI using a multi-point Dixon technique and a low resolution calibration scan
US8587305B2 (en) 2011-01-11 2013-11-19 General Electric Company System and method for fat suppression in chemical shift based water-fat separated MR imaging
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
US8957681B2 (en) 2012-02-20 2015-02-17 Wisconsin Alumni Research Foundation System and method for magnetic resonance imaging water-fat separation with full dynamic range using in-phase images
BR112015004405A2 (pt) 2012-09-04 2017-07-04 Koninklijke Philips Nv sistema de ressonância magnética para adquirir pelo menos dois ou mais conjuntos de dados de placa de espaço k de uma zona de formação de imagem de um indivíduo; método para adquirir, por um sistema de rm, dois ou mais pelo menos conjuntos de dados de placa de espaço k de uma zona de formação de imagem de um indivíduo; e produto de programa de computador
US9329250B2 (en) * 2013-03-14 2016-05-03 Wisconsin Alumni Resesarch Foundation System and method for combined chemical species separation and high resolution R2* mapping with magnetic resonance imaging
US10274566B2 (en) * 2013-04-03 2019-04-30 Koninklijke Philips N.V. Dixon-type water/fat separation MRI using high-SNR in-phase image and lower-SNR at least partially out-of-phase image
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
DE102013217650B4 (de) 2013-09-04 2016-01-21 Siemens Aktiengesellschaft Zwei-Punkt Dixon-Technik
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
DE102014201207B4 (de) * 2014-01-23 2018-11-08 Siemens Healthcare Gmbh Korrektur einer B0-Karte auf chemische Verschiebungen
CN105796065B (zh) * 2014-12-29 2019-02-15 中国科学院深圳先进技术研究院 基于水脂分离的无参考温度测量方法及系统
CN105809662B (zh) * 2014-12-30 2018-09-04 中国科学院深圳先进技术研究院 磁共振成像的图像水脂分离方法和系统
US10338180B2 (en) * 2015-10-12 2019-07-02 Wisconsin Alumni Research Foundation System and method for gradient measurement using single-point imaging
JP5979327B2 (ja) * 2016-01-04 2016-08-24 株式会社日立製作所 磁気共鳴イメージング装置、その作動方法及び時系列画像作成プログラム
CN105785298B (zh) * 2016-03-10 2018-08-17 大连锐谱科技有限责任公司 一种高精度三维化学位移成像方法

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Publication number Publication date
CN109716155A (zh) 2019-05-03
EP3497456B1 (en) 2023-10-11
CN109716155B (zh) 2022-03-29
WO2018033535A1 (en) 2018-02-22
US10859652B2 (en) 2020-12-08
JP2019524303A (ja) 2019-09-05
US20190212404A1 (en) 2019-07-11
EP3497456A1 (en) 2019-06-19

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