AU2013257305B2 - Pulse sequence method for MRI - Google Patents

Pulse sequence method for MRI Download PDF

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Publication number
AU2013257305B2
AU2013257305B2 AU2013257305A AU2013257305A AU2013257305B2 AU 2013257305 B2 AU2013257305 B2 AU 2013257305B2 AU 2013257305 A AU2013257305 A AU 2013257305A AU 2013257305 A AU2013257305 A AU 2013257305A AU 2013257305 B2 AU2013257305 B2 AU 2013257305B2
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time
diffusion
isotropic
dependent
weighting
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AU2013257305A
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AU2013257305A1 (en
Inventor
Samo LASIC
Markus Nilsson
Daniel Topgaard
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Random Walk Imaging AB
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Random Walk Imaging AB
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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
    • 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
    • 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
    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • 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
    • G01R33/5615—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)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AU2013257305A 2012-05-04 2013-05-03 Pulse sequence method for MRI Active AU2013257305B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261642594P 2012-05-04 2012-05-04
US61/642,594 2012-05-04
SE1250452-8 2012-05-04
SE1250452A SE537065C2 (sv) 2012-05-04 2012-05-04 Pulssekvensförfarande för MRI
PCT/SE2013/050492 WO2013165312A1 (en) 2012-05-04 2013-05-03 Pulse sequence method for mri

Publications (2)

Publication Number Publication Date
AU2013257305A1 AU2013257305A1 (en) 2014-11-27
AU2013257305B2 true AU2013257305B2 (en) 2017-06-15

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Family Applications (1)

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AU2013257305A Active AU2013257305B2 (en) 2012-05-04 2013-05-03 Pulse sequence method for MRI

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US (2) US9791534B2 (enExample)
EP (1) EP2847607B1 (enExample)
JP (1) JP6280540B2 (enExample)
KR (1) KR102115627B1 (enExample)
CN (1) CN104471425B (enExample)
AU (1) AU2013257305B2 (enExample)
BR (1) BR112014027060B1 (enExample)
CA (1) CA2872348C (enExample)
IN (1) IN2014MN02265A (enExample)
SE (1) SE537065C2 (enExample)
WO (1) WO2013165312A1 (enExample)

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* Cited by examiner, † Cited by third party
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SE537064C2 (sv) * 2012-05-04 2014-12-23 Cr Dev Ab Analys för kvantifiering av mikroskopisk anisotropisk diffusion
CA2936624A1 (en) * 2014-02-10 2015-08-13 Cr Development Ab Method for quantifying isotropic diffusion and/or anisotropic diffusion in a sample
JP6873137B2 (ja) * 2015-12-22 2021-05-19 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 動きに起因する拡散勾配不整合の補正を備えるｄｔｉ
CN109923427B (zh) 2016-11-09 2021-09-07 Cr发展公司 对样本执行扩散加权磁共振测量的方法
WO2018187768A2 (en) * 2017-04-06 2018-10-11 Oregon Health & Science University Activity mri
CN107219483B (zh) * 2017-04-22 2019-11-26 天津大学 一种基于扩散峰度成像的径向峰度各项异性定量方法

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WO1997007731A2 (en) * 1995-08-18 1997-03-06 Brigham And Women's Hospital, Inc. Line scan diffusion imaging
WO2000072038A1 (en) * 1999-05-21 2000-11-30 The Government Of The United States, As Represented By The Secretary Of The Dept. Of Health And Human Services Determination of an empirical statistical distribution of the diffusion tensor in mri
US6288540B1 (en) * 1999-05-21 2001-09-11 University Of Rochester Optimized orthogonal gradient technique for fast quantitative diffusion MRI on a clinical scanner
US6642716B1 (en) * 2002-05-15 2003-11-04 Koninklijke Philips Electronics, N.V. Diffusion tensor magnetic resonance imaging including fiber rendering using hyperstreamlines
US6724190B2 (en) 2002-05-15 2004-04-20 Koninklijke Philips Electronics N.V. Retrospective selection and various types of image alignment to improve DTI SNR
JP2004081657A (ja) * 2002-08-28 2004-03-18 Ge Medical Systems Global Technology Co Llc 繊維状画像抽出方法、画像処理装置および磁気共鳴撮像システム
US7894891B2 (en) * 2006-01-24 2011-02-22 Schlumberger Technology Corporation Diffusion-based magnetic resonance methods for characterizing bone structure
US8064982B2 (en) 2006-11-21 2011-11-22 Battelle Memorial Institute Methods for magnetic resonance analysis using magic angle technique
US7355407B1 (en) * 2006-12-03 2008-04-08 Toshiba Medical Systems Corp. Methods and apparatus for single-shot magnetic resonance imaging with optimized isotropic diffusion weighting
US20100298692A1 (en) * 2007-05-22 2010-11-25 Imaging Biometrics, Llc Method for detecting tumor cell invasion using short diffusion times
SE531190C2 (sv) 2007-05-31 2009-01-13 Colloidal Resource Ab Metod, system, datoravläsbart medium och användning för magnetisk resonanstomografi
EA201071191A1 (ru) 2008-04-14 2011-06-30 Йеда Рисерч Энд Дивелопмент Ко. Лтд. Способ и устройство визуализации молочной железы посредством реконструкции протоков для обнаружения и диагностики рака молочной железы и продукт
JP5591493B2 (ja) * 2008-07-17 2014-09-17 株式会社東芝 磁気共鳴イメージング装置
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JP2012066005A (ja) * 2010-09-27 2012-04-05 Toshiba Corp 磁気共鳴イメージング装置
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WONG, E. C. et al., "Optimized Isotropic Diffusion Weighting", MAGNETIC RESONANCE IN MEDICINE, Vol. 34, No. 2, August 1995, pages 139 – 143. *

Also Published As

Publication number Publication date
EP2847607B1 (en) 2020-10-07
BR112014027060B1 (pt) 2022-03-15
SE537065C2 (sv) 2014-12-23
JP6280540B2 (ja) 2018-02-14
IN2014MN02265A (enExample) 2015-07-24
SE1250452A1 (sv) 2013-11-05
EP2847607A1 (en) 2015-03-18
CA2872348C (en) 2019-12-24
CN104471425B (zh) 2017-03-01
CA2872348A1 (en) 2013-11-07
KR102115627B1 (ko) 2020-05-26
BR112014027060A2 (pt) 2017-06-27
US10295639B2 (en) 2019-05-21
US20150115957A1 (en) 2015-04-30
CN104471425A (zh) 2015-03-25
AU2013257305A1 (en) 2014-11-27
WO2013165312A1 (en) 2013-11-07
EP2847607A4 (en) 2016-12-14
US9791534B2 (en) 2017-10-17
US20180017648A1 (en) 2018-01-18
JP2015518408A (ja) 2015-07-02
KR20150033602A (ko) 2015-04-01

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