CN102772210B - 弥散加权磁共振成像 - Google Patents
弥散加权磁共振成像 Download PDFInfo
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- CN102772210B CN102772210B CN201210144024.5A CN201210144024A CN102772210B CN 102772210 B CN102772210 B CN 102772210B CN 201210144024 A CN201210144024 A CN 201210144024A CN 102772210 B CN102772210 B CN 102772210B
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- 238000003384 imaging method Methods 0.000 title description 27
- 238000009792 diffusion process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000005284 excitation Effects 0.000 claims abstract description 8
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Classifications
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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
-
- 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
- G01R33/56341—Diffusion 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
- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
-
- 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
- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
-
- 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
- G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
-
- 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
- G01R33/56308—Characterization of motion or flow; Dynamic imaging
- G01R33/56333—Involving spatial modulation of the magnetization within an imaged region, e.g. spatial modulation of magnetization [SPAMM] tagging
-
- 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
- G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations
-
- 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
- G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
- G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Artificial Intelligence (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/104,194 US8760163B2 (en) | 2011-05-10 | 2011-05-10 | Diffusion-weighted magnetic resonance imaging using 3D mosaic segmentation and 3D navigator phase correction |
US13/104,194 | 2011-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102772210A CN102772210A (zh) | 2012-11-14 |
CN102772210B true CN102772210B (zh) | 2016-06-08 |
Family
ID=47117493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210144024.5A Expired - Fee Related CN102772210B (zh) | 2011-05-10 | 2012-05-10 | 弥散加权磁共振成像 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8760163B2 (zh) |
JP (1) | JP6037652B2 (zh) |
KR (1) | KR101663853B1 (zh) |
CN (1) | CN102772210B (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8970217B1 (en) | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
US8975895B2 (en) * | 2012-01-13 | 2015-03-10 | The Board Of Trustees Of The University Of Illinois | Method for correcting motion-induced phase errors in magnetic resonance imaging |
US9760979B2 (en) | 2012-06-28 | 2017-09-12 | Duke University | Navigator-less segmented diffusion weighted imaging enabled by multiplexed sensitivity-encoded imaging with inherent phase correction |
DE102013205208B4 (de) * | 2013-03-25 | 2015-02-12 | Siemens Aktiengesellschaft | Multiecho-Magnetresonanz-Messsequenz mit erhöhter Auflösung |
US9897677B2 (en) * | 2013-09-04 | 2018-02-20 | Samsung Electronics Co., Ltd. | Method for correcting errors associated with asynchronous timing offsets between transmit and receive clocks in MRI wireless radiofrequency coils |
WO2015086415A1 (en) * | 2013-12-12 | 2015-06-18 | Koninklijke Philips N.V. | Mr imaging using multi-echo segmented k-space acquisition |
GB201505940D0 (en) * | 2015-04-08 | 2015-05-20 | Isis Innovation | Medical imaging |
DE102015207590A1 (de) * | 2015-04-24 | 2016-10-27 | Siemens Healthcare Gmbh | Verfahren zu einer Bewegungskompensation während einer Magnetresonanz-Bildgebung |
DE102015224054B4 (de) * | 2015-12-02 | 2017-11-23 | Julius-Maximilians-Universität Würzburg | Modifizierte TrueFISP-Sequenz zur parallelen MR-Daten-Erfassung |
CN106443533B (zh) * | 2016-09-21 | 2019-08-09 | 清华大学 | 基于多次激发的导航磁共振扩散成像方法及装置 |
CN110226100B (zh) * | 2017-01-25 | 2022-03-15 | 上海联影医疗科技股份有限公司 | 用于磁共振成像的系统和方法 |
CN109143134B (zh) * | 2017-06-13 | 2021-01-29 | 西门子(深圳)磁共振有限公司 | 一种分段读出扩散加权成像方法、装置及可存储介质 |
CN108459289B (zh) * | 2018-01-30 | 2021-03-12 | 奥泰医疗系统有限责任公司 | 一种基于数据一致性的多次激发弥散加权磁共振成像方法 |
US11857306B1 (en) | 2018-06-15 | 2024-01-02 | Unm Rainforest Innovations | Concurrent MRSI and fMRI |
EP3683595A1 (en) * | 2019-01-15 | 2020-07-22 | Siemens Healthcare GmbH | Segment-specific undersampling in readout-segmented magnetic resonance imaging |
US10809341B1 (en) * | 2019-04-19 | 2020-10-20 | Canon Medical Systems Corporation | Readout-segmented echo planar imaging with k-space averaging |
SE543292C2 (en) * | 2019-04-26 | 2020-11-17 | Cr Dev Ab | A method of performing diffusion weighted magnetic resonance measurements |
CN110346743B (zh) * | 2019-07-22 | 2021-09-14 | 上海东软医疗科技有限公司 | 一种磁共振弥散加权成像方法和装置 |
US11163029B2 (en) * | 2019-08-14 | 2021-11-02 | GE Precision Healthcare LLC | MRI system with improved navigator |
CN113391251B (zh) * | 2020-03-12 | 2023-05-26 | 上海联影医疗科技股份有限公司 | 磁共振图像重建方法、装置和设备 |
US20240201302A1 (en) * | 2021-04-16 | 2024-06-20 | Beth Israel Deaconess Medical Center, Inc. | Systems and methods for non-selective stimulated echo multislice diffusion imaging |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101201392A (zh) * | 2006-11-17 | 2008-06-18 | 美国西门子医疗解决公司 | 产生磁共振数据文件的方法和设备 |
CN102018514A (zh) * | 2010-12-30 | 2011-04-20 | 中国科学院深圳先进技术研究院 | 磁共振弥散张量成像方法及系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19957754A1 (de) * | 1999-12-01 | 2001-06-07 | Philips Corp Intellectual Pty | MR-Verfahren zur Erzeugung von Navigatorimpulsen |
JP2002165774A (ja) * | 2000-12-01 | 2002-06-11 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
JP3734086B2 (ja) * | 2003-03-12 | 2006-01-11 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 核磁気共鳴イメージング装置 |
US6853191B1 (en) | 2003-12-10 | 2005-02-08 | The Board Of Trustees Of The Leland Stanford Junior University | Method of removing dynamic nonlinear phase errors from MRI data |
DE102004017852B4 (de) * | 2004-04-13 | 2008-11-27 | Siemens Ag | Bewegungskorrigiertes Multi-Shot-Verfahren zur diffusionsgewichteten Bildgebung in der Magnetresonanztomographie |
US7590589B2 (en) * | 2004-09-10 | 2009-09-15 | Hoffberg Steven M | Game theoretic prioritization scheme for mobile ad hoc networks permitting hierarchal deference |
DE102006017049B3 (de) | 2006-04-11 | 2008-02-14 | Siemens Ag | Verfahren zur Aufnahme von Magnet-Resonanz-Bilddaten und Magnet-Resonanz-Gerät |
JP4679560B2 (ja) * | 2007-10-09 | 2011-04-27 | 株式会社東芝 | Mr装置 |
US8688193B2 (en) * | 2008-06-26 | 2014-04-01 | Allegheny-Singer Research Institute | Magnetic resonance imager, method and program which continuously applies steady-state free precession to k-space |
WO2010116782A1 (ja) * | 2009-03-30 | 2010-10-14 | 株式会社 日立製作所 | 磁気共鳴装置 |
DE102011084289B4 (de) * | 2011-10-11 | 2013-06-27 | Siemens Aktiengesellschaft | Magnetresonanzbildgebung mit Präparation der Magnetisierung durch örtlich veränderliche Spoiler-Gradientenfelder |
-
2011
- 2011-05-10 US US13/104,194 patent/US8760163B2/en active Active
-
2012
- 2012-05-09 JP JP2012107778A patent/JP6037652B2/ja not_active Expired - Fee Related
- 2012-05-09 KR KR1020120048967A patent/KR101663853B1/ko active IP Right Grant
- 2012-05-10 CN CN201210144024.5A patent/CN102772210B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101201392A (zh) * | 2006-11-17 | 2008-06-18 | 美国西门子医疗解决公司 | 产生磁共振数据文件的方法和设备 |
CN102018514A (zh) * | 2010-12-30 | 2011-04-20 | 中国科学院深圳先进技术研究院 | 磁共振弥散张量成像方法及系统 |
Non-Patent Citations (2)
Title |
---|
Diffusion-weighted three-dimensional MP-RAGE MR imaging;Tomokazu Numano et al;《Magnetic Resonance Imaging》;20050430(第23期);463–468 * |
High Resolution Diffusion-Weighted Imaging Using Readout-Segmented Echo-Planar Imaging, Parallel Imaging and a Two-Dimensional Navigator-Based Reacquisition;David A. Porter et al;《Magnetic Resonance in Medicine》;20090831(第62期);468–475 * |
Also Published As
Publication number | Publication date |
---|---|
CN102772210A (zh) | 2012-11-14 |
US20120286777A1 (en) | 2012-11-15 |
US8760163B2 (en) | 2014-06-24 |
JP2012236022A (ja) | 2012-12-06 |
KR20120126023A (ko) | 2012-11-20 |
KR101663853B1 (ko) | 2016-10-07 |
JP6037652B2 (ja) | 2016-12-07 |
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