CN110720047B - 双回波Dixon型水/脂肪分离MR成像 - Google Patents

双回波Dixon型水/脂肪分离MR成像 Download PDF

Info

Publication number
CN110720047B
CN110720047B CN201880038204.0A CN201880038204A CN110720047B CN 110720047 B CN110720047 B CN 110720047B CN 201880038204 A CN201880038204 A CN 201880038204A CN 110720047 B CN110720047 B CN 110720047B
Authority
CN
China
Prior art keywords
echo
image
phase
zero
magnetic field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201880038204.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN110720047A (zh
Inventor
H·埃格斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN110720047A publication Critical patent/CN110720047A/zh
Application granted granted Critical
Publication of CN110720047B publication Critical patent/CN110720047B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G01R33/28—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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/485—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy based on chemical shift information [CSI] or spectroscopic imaging, e.g. to acquire the spatial distributions of metabolites
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance 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
    • G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in EPI
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56572—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a gradient 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201880038204.0A 2017-06-09 2018-06-08 双回波Dixon型水/脂肪分离MR成像 Expired - Fee Related CN110720047B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17175127.4A EP3413070A1 (en) 2017-06-09 2017-06-09 Dual-echo dixon-type water/fat separation mr imaging
EP17175127.4 2017-06-09
PCT/EP2018/065175 WO2018224653A1 (en) 2017-06-09 2018-06-08 Dual-echo dixon-type water/fat separation mr imaging

Publications (2)

Publication Number Publication Date
CN110720047A CN110720047A (zh) 2020-01-21
CN110720047B true CN110720047B (zh) 2022-05-31

Family

ID=59034553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880038204.0A Expired - Fee Related CN110720047B (zh) 2017-06-09 2018-06-08 双回波Dixon型水/脂肪分离MR成像

Country Status (5)

Country Link
US (1) US10996301B2 (enExample)
EP (2) EP3413070A1 (enExample)
JP (1) JP6912603B2 (enExample)
CN (1) CN110720047B (enExample)
WO (1) WO2018224653A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020133527A1 (zh) * 2018-12-29 2020-07-02 深圳先进技术研究院 基于磁共振图像的水脂分离方法、装置、设备及存储介质
US11163027B2 (en) * 2019-06-05 2021-11-02 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and magnetic resonance imaging method
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
EP3893013A1 (en) * 2020-04-06 2021-10-13 Koninklijke Philips N.V. Mr imaging for radiation therapy planning
EP4012434A1 (en) * 2020-12-08 2022-06-15 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
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
CN113030814B (zh) * 2021-03-09 2021-12-21 电子科技大学 一种磁共振k空间数据校正的方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101109791A (zh) * 2006-07-19 2008-01-23 西门子（中国）有限公司 回波平面成像序列的纠正方法
CN101843483A (zh) * 2009-03-23 2010-09-29 西门子迈迪特(深圳)磁共振有限公司 一种水脂分离实现方法和装置
WO2013093674A1 (en) * 2011-12-23 2013-06-27 Koninklijke Philips Electronics N.V. Mr imaging with suppression of flow artefacts
CN103201644A (zh) * 2010-11-02 2013-07-10 皇家飞利浦电子股份有限公司 表征rf发射链路的方法
CN105556326A (zh) * 2013-09-16 2016-05-04 皇家飞利浦有限公司 具有dixon类型的水/脂肪分离的mr成像
KR20160053228A (ko) * 2014-10-31 2016-05-13 가천대학교 산학협력단 고자장 자기공명영상에서 지방 정량화를 위한 필드 맵 측정방법
CN105934683A (zh) * 2013-12-19 2016-09-07 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
CN105997075A (zh) * 2016-04-28 2016-10-12 上海联影医疗科技有限公司 一种磁共振数据采集方法及磁共振成像系统
CN106324537A (zh) * 2016-08-12 2017-01-11 江亲瑜 一种超快速分段式单次激发水脂分离方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285187B1 (en) * 1999-04-28 2001-09-04 General Electric Company Method and apparatus for reducing artifacts in echo planar imaging
AU2003901659A0 (en) * 2003-04-09 2003-05-01 Inner Vision Biometrics Pty Ltd Method of estimating the spatial variation of magnetic resonance imaging radiofrequency (RF) signal intensities within an object from the measured intensities in a uniform spin density medium surrounding the object
US7777486B2 (en) 2007-09-13 2010-08-17 The Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging with bipolar multi-echo sequences
US8030923B2 (en) * 2009-03-31 2011-10-04 General Electric Company Method and system to perform phase correction for species separation in magnetic resonance imaging
CA2757533C (en) * 2009-04-03 2023-03-28 The United States Of America, As Represented By The Secretary, Department Of Health And Human Services Magnetic microstructures for magnetic resonance imaging
US8427147B2 (en) * 2009-04-10 2013-04-23 Wisconsin Alumni Research Foundation Magnetic resonance imaging with fat suppression by combining phase rotating data with phase shifted data in K-space
DE102011005100B4 (de) * 2011-03-04 2012-11-22 Siemens Aktiengesellschaft Verfahren zur automatischen Bestimmung von Parametern einer Phasenkontrast-Flussmessung sowie entsprechende Magnetresonanzanlage
DE102013217651B4 (de) 2013-09-04 2016-03-24 Siemens Aktiengesellschaft Mehrpunkt Dixon-Technik
CN105814449B (zh) * 2013-12-12 2019-04-30 皇家飞利浦有限公司 具有水/脂肪分离的零回波时间mr成像
US10362961B2 (en) * 2014-01-10 2019-07-30 Northshore University Healthsystem System and method for neutral contrast magnetic resonance imaging of calcifications
WO2015190508A1 (ja) * 2014-06-12 2015-12-17 株式会社 日立メディコ 磁気共鳴イメージング装置及び水脂肪分離画像作成方法
JP6713988B2 (ja) 2014-09-26 2020-06-24 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 血流アーチファクトを抑制させたＤｉｘｏｎＭＲ撮像
WO2016207035A1 (en) * 2015-06-26 2016-12-29 Koninklijke Philips N.V. Phase corrected dixon magnetic resonance imaging
US10076249B2 (en) * 2015-08-04 2018-09-18 General Electric Company Proton density and T1 weighted zero TE MR thermometry

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101109791A (zh) * 2006-07-19 2008-01-23 西门子（中国）有限公司 回波平面成像序列的纠正方法
CN101843483A (zh) * 2009-03-23 2010-09-29 西门子迈迪特(深圳)磁共振有限公司 一种水脂分离实现方法和装置
CN103201644A (zh) * 2010-11-02 2013-07-10 皇家飞利浦电子股份有限公司 表征rf发射链路的方法
WO2013093674A1 (en) * 2011-12-23 2013-06-27 Koninklijke Philips Electronics N.V. Mr imaging with suppression of flow artefacts
CN105556326A (zh) * 2013-09-16 2016-05-04 皇家飞利浦有限公司 具有dixon类型的水/脂肪分离的mr成像
CN105934683A (zh) * 2013-12-19 2016-09-07 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
KR20160053228A (ko) * 2014-10-31 2016-05-13 가천대학교 산학협력단 고자장 자기공명영상에서 지방 정량화를 위한 필드 맵 측정방법
CN105997075A (zh) * 2016-04-28 2016-10-12 上海联影医疗科技有限公司 一种磁共振数据采集方法及磁共振成像系统
CN106324537A (zh) * 2016-08-12 2017-01-11 江亲瑜 一种超快速分段式单次激发水脂分离方法

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
Dual-echo Dixon imaging with flexible choice of echo times;Holger Eggers et al.;《Magnetic Resonance in Medicine》;20100921;第65卷(第1期);第96-107页 *
Flow-induced signal misallocation artifacts in two-point fat–water chemical shift MRI;Mahdi Salmani Rahimi et al.;《Magnetic Resonance in Medicine》;20140609;第73卷(第5期);第1926-1931页 *
Improved spectral selectivity and reduced susceptibility in SSFP using a near zero TE undersampled three-dimensional PR sequence;Aiming Lu et al.;《Journal of Magnetic Resonance Imaging》;20040630;第19卷(第1期);第117-123页 *
Two-point dixon method with flexible echo times;Johan Berglund et al.;《Magnetic Resonance in Medicine》;20110430;第65卷(第4期);第994-1004页 *
Water–fat separation with bipolar multiecho sequences;Wenmiao Lu et al.;《Magnetic Resonance in Medicine》;20080731;第60卷(第1期);第198-209页 *
Zero and first-order phase shift correction for field map estimation with dual-echo GRE using bipolar gradients;Desmond T.B.Yeo et al.;《Magnetic Resonance Imaging》;20071130;第25卷(第9期);第1263-1271页 *
水、脂分离磁共振成像Dixon方法;刘亚涛 等;《中国医学物理学杂志》;20121115;第29卷(第6期);第3759-3768页 *

Also Published As

Publication number Publication date
EP3413070A1 (en) 2018-12-12
CN110720047A (zh) 2020-01-21
JP6912603B2 (ja) 2021-08-04
US10996301B2 (en) 2021-05-04
US20200132794A1 (en) 2020-04-30
WO2018224653A1 (en) 2018-12-13
JP2020522356A (ja) 2020-07-30
EP3635426B1 (en) 2022-08-10
EP3635426A1 (en) 2020-04-15

Similar Documents

Publication Publication Date Title
CN110720047B (zh) 双回波Dixon型水/脂肪分离MR成像
JP6204924B2 (ja) Ｄｉｘｏｎ型水／脂肪分離と主磁場不均一性に関する予備知識とを用いるＭＲＩ
US9746539B2 (en) MR imaging with suppresion of flow artifacts
JP7208796B2 (ja) ディクソン法による水／脂肪分離を用いたｍｒ撮像
US10859652B2 (en) MR imaging with dixon-type water/fat separation
CN105934683A (zh) 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
CN105829906A (zh) 具有水/脂肪分离的相位敏感的反转恢复mri
US10746832B2 (en) DTI with correction of motion-induced diffusion gradient inconsistency
WO2018114554A1 (en) Dixon-type water/fat separation mr imaging
EP4097498B1 (en) Mr imaging using dixon-type water/fat separation with suppression of flow-induced leakage and/or swapping artifacts
US11226385B2 (en) Dixon type water/fat separation MR imaging with improved fat shift correction
EP2657718A1 (en) MRI with arterial spin labeling in combination with a navigator sequence

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220531