CN111712718B - 根据b0参考扫描和wassr扫描的场图 - Google Patents

根据b0参考扫描和wassr扫描的场图 Download PDF

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Publication number
CN111712718B
CN111712718B CN201980012987.XA CN201980012987A CN111712718B CN 111712718 B CN111712718 B CN 111712718B CN 201980012987 A CN201980012987 A CN 201980012987A CN 111712718 B CN111712718 B CN 111712718B
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data
voxels
imaging system
magnetic resonance
water saturation
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Chinese (zh)
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CN111712718A (zh
Inventor
E·德维尔特
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Koninklijke Philips NV
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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
    • G01R33/24—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
    • G01R33/4828—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
    • G01R33/5605—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by transferring coherence or polarization from a spin species to another, e.g. creating magnetization transfer contrast [MTC], polarization transfer using nuclear Overhauser enhancement [NOE]
    • 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)
  • 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)
CN201980012987.XA 2018-01-12 2019-01-09 根据b0参考扫描和wassr扫描的场图 Active CN111712718B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18151457.1A EP3511726A1 (en) 2018-01-12 2018-01-12 Mri method for determining a magnetic field map from a b0 reference scan and a wassr scan
EP18151457.1 2018-01-12
PCT/EP2019/050430 WO2019137951A1 (en) 2018-01-12 2019-01-09 Mri method for determining a magnetic field map from a bo reference scan and a wassr scan

Publications (2)

Publication Number Publication Date
CN111712718A CN111712718A (zh) 2020-09-25
CN111712718B true CN111712718B (zh) 2023-10-20

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CN201980012987.XA Active CN111712718B (zh) 2018-01-12 2019-01-09 根据b0参考扫描和wassr扫描的场图

Country Status (5)

Country Link
US (1) US11307271B2 (enExample)
EP (2) EP3511726A1 (enExample)
JP (1) JP7325418B2 (enExample)
CN (1) CN111712718B (enExample)
WO (1) WO2019137951A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112017005080T5 (de) * 2016-10-06 2019-07-11 Koninklijke Philips N.V. Direkte messung des b0-ausserresonanzfelds während magnetresonanz-fingerabdruckerzeugung
EP3889634A1 (en) * 2020-04-01 2021-10-06 Koninklijke Philips N.V. Reduction of off-resonance effects in magnetic resonance imaging
CN113777545B (zh) * 2020-06-10 2024-07-05 西门子医疗有限公司 化学交换饱和转移成像校正方法、装置及可读存储介质
US11366189B2 (en) * 2020-09-25 2022-06-21 Uih America, Inc. Systems and methods for magnetic resonance imaging
CN115349847B (zh) * 2022-10-19 2023-01-31 之江实验室 基于分离式定量apt成像的乳腺肿瘤辨别系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009042881A1 (en) * 2007-09-26 2009-04-02 The Johns Hopkins University Frequency referencing for chemical exchange saturation transfer (cest) mri
WO2011091365A1 (en) * 2010-01-25 2011-07-28 Beth Israel Deaconess Medical Center Method for measuring magnetization transfer between molecules with magnetic resonance imaging
WO2014165051A1 (en) * 2013-03-12 2014-10-09 The Johns Hopkins University Magnetic resonance system and method for detecting the buildup of the transfer of changes in magnetization from nuclei in mobile solute molecules in tissue
WO2015028481A1 (en) * 2013-08-30 2015-03-05 Koninklijke Philips N.V. Dixon magnetic resonance imaging

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120286781A1 (en) * 2011-04-15 2012-11-15 The Johns Hopkins University Magnetic Resonance Methodology for Imaging of Exchange-Relayed Intramolecular Nuclear Overhauser Enhancement Effects in Mobile Solutes
DE102011078680B3 (de) 2011-07-05 2012-12-20 Siemens Aktiengesellschaft Magnetfeldunempfindliche CEST-Bildgebung
EP2648014A1 (en) * 2012-04-03 2013-10-09 Koninklijke Philips N.V. MR imaging using APT contrast enhancement and sampling at multiple echo times
WO2014043668A1 (en) * 2012-09-17 2014-03-20 The Johns Hopkins University Non-invasive temperature mapping using temperature-responsive water saturation shift referencing (t-wassr) mri
EP2929361A2 (en) * 2012-12-06 2015-10-14 Koninklijke Philips N.V. Local artifact reduction with insignificant side effects
WO2015011584A2 (en) * 2013-07-23 2015-01-29 Koninklijke Philips N.V. Differentiating tissues with mr imaging
CN104997511A (zh) 2015-06-01 2015-10-28 中国科学院深圳先进技术研究院 用于磁共振化学交换饱和转移成像的cestr测量方法和系统
US10042025B2 (en) * 2016-06-02 2018-08-07 Wisconsin Alumni Research Foundation System and method for chemical shift magnetic resonance imaging using magnetization transfer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009042881A1 (en) * 2007-09-26 2009-04-02 The Johns Hopkins University Frequency referencing for chemical exchange saturation transfer (cest) mri
WO2011091365A1 (en) * 2010-01-25 2011-07-28 Beth Israel Deaconess Medical Center Method for measuring magnetization transfer between molecules with magnetic resonance imaging
WO2014165051A1 (en) * 2013-03-12 2014-10-09 The Johns Hopkins University Magnetic resonance system and method for detecting the buildup of the transfer of changes in magnetization from nuclei in mobile solute molecules in tissue
WO2015028481A1 (en) * 2013-08-30 2015-03-05 Koninklijke Philips N.V. Dixon magnetic resonance imaging

Also Published As

Publication number Publication date
EP3737954A1 (en) 2020-11-18
US20200341080A1 (en) 2020-10-29
JP7325418B2 (ja) 2023-08-14
EP3737954B1 (en) 2022-09-28
CN111712718A (zh) 2020-09-25
US11307271B2 (en) 2022-04-19
EP3511726A1 (en) 2019-07-17
WO2019137951A1 (en) 2019-07-18
JP2021511107A (ja) 2021-05-06

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