JP6912603B2 - デュアルエコーディクソン型水/脂肪分離mr撮像 - Google Patents
デュアルエコーディクソン型水/脂肪分離mr撮像 Download PDFInfo
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- JP6912603B2 JP6912603B2 JP2019567633A JP2019567633A JP6912603B2 JP 6912603 B2 JP6912603 B2 JP 6912603B2 JP 2019567633 A JP2019567633 A JP 2019567633A JP 2019567633 A JP2019567633 A JP 2019567633A JP 6912603 B2 JP6912603 B2 JP 6912603B2
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- image
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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
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- 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
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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
- G01R33/28—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
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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
- G01R33/483—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
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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
- G01R33/561—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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- 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
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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
- G01R33/565—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
- G01R33/56554—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
- G01R33/56563—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
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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
- G01R33/4816—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
- G01R33/56572—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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17175127.4 | 2017-06-09 | ||
| EP17175127.4A EP3413070A1 (en) | 2017-06-09 | 2017-06-09 | Dual-echo dixon-type water/fat separation mr imaging |
| PCT/EP2018/065175 WO2018224653A1 (en) | 2017-06-09 | 2018-06-08 | Dual-echo dixon-type water/fat separation mr imaging |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020522356A JP2020522356A (ja) | 2020-07-30 |
| JP2020522356A5 JP2020522356A5 (enExample) | 2021-04-30 |
| JP6912603B2 true JP6912603B2 (ja) | 2021-08-04 |
Family
ID=59034553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019567633A Expired - Fee Related JP6912603B2 (ja) | 2017-06-09 | 2018-06-08 | デュアルエコーディクソン型水/脂肪分離mr撮像 |
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)
| 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 |
Family Cites Families (23)
| 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 |
| CN101109791B (zh) * | 2006-07-19 | 2010-09-29 | 西门子(中国)有限公司 | 回波平面成像序列的纠正方法 |
| 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 |
| CN101843483B (zh) * | 2009-03-23 | 2012-07-18 | 西门子(深圳)磁共振有限公司 | 一种水脂分离实现方法和装置 |
| 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 |
| EP2413796B1 (en) * | 2009-04-03 | 2024-02-28 | 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 |
| WO2012059845A1 (en) * | 2010-11-02 | 2012-05-10 | Koninklijke Philips Electronics N.V. | Method of characterizing an rf transmit chain |
| DE102011005100B4 (de) * | 2011-03-04 | 2012-11-22 | Siemens Aktiengesellschaft | Verfahren zur automatischen Bestimmung von Parametern einer Phasenkontrast-Flussmessung sowie entsprechende Magnetresonanzanlage |
| EP2798364B1 (en) | 2011-12-23 | 2021-08-11 | Koninklijke Philips N.V. | Mr imaging with suppression of flow artefacts |
| DE102013217651B4 (de) | 2013-09-04 | 2016-03-24 | Siemens Aktiengesellschaft | Mehrpunkt Dixon-Technik |
| US10234522B2 (en) * | 2013-09-16 | 2019-03-19 | Koninklijke Philips N.V. | MR imaging with dixon-type water/fat separation |
| US10094898B2 (en) * | 2013-12-12 | 2018-10-09 | Koninklijke Philips N.V. | Zero echo time MR imaging with water/fat separation |
| CN105934683B (zh) * | 2013-12-19 | 2019-05-28 | 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 |
| US10362961B2 (en) * | 2014-01-10 | 2019-07-30 | Northshore University Healthsystem | System and method for neutral contrast magnetic resonance imaging of calcifications |
| US20170097400A1 (en) * | 2014-06-12 | 2017-04-06 | Hitachi, Ltd. | Magnetic resonance imaging apparatus and method for generating water-fat separation image |
| 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 |
| KR20160053228A (ko) * | 2014-10-31 | 2016-05-13 | 가천대학교 산학협력단 | 고자장 자기공명영상에서 지방 정량화를 위한 필드 맵 측정방법 |
| JP6763892B2 (ja) * | 2015-06-26 | 2020-09-30 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 位相補正したディクソン磁気共鳴撮像 |
| US10076249B2 (en) * | 2015-08-04 | 2018-09-18 | General Electric Company | Proton density and T1 weighted zero TE MR thermometry |
| CN105997075B (zh) * | 2016-04-28 | 2018-05-04 | 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 |
| CN106324537B (zh) * | 2016-08-12 | 2018-11-27 | 江亲瑜 | 一种超快速分段式单次激发水脂分离方法 |
-
2017
- 2017-06-09 EP EP17175127.4A patent/EP3413070A1/en not_active Withdrawn
-
2018
- 2018-06-08 US US16/619,558 patent/US10996301B2/en not_active Expired - Fee Related
- 2018-06-08 EP EP18730738.4A patent/EP3635426B1/en active Active
- 2018-06-08 WO PCT/EP2018/065175 patent/WO2018224653A1/en not_active Ceased
- 2018-06-08 CN CN201880038204.0A patent/CN110720047B/zh not_active Expired - Fee Related
- 2018-06-08 JP JP2019567633A patent/JP6912603B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20200132794A1 (en) | 2020-04-30 |
| EP3635426A1 (en) | 2020-04-15 |
| JP2020522356A (ja) | 2020-07-30 |
| CN110720047B (zh) | 2022-05-31 |
| WO2018224653A1 (en) | 2018-12-13 |
| EP3413070A1 (en) | 2018-12-12 |
| US10996301B2 (en) | 2021-05-04 |
| EP3635426B1 (en) | 2022-08-10 |
| CN110720047A (zh) | 2020-01-21 |
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