IN2014MN02265A - - Google Patents

Download PDF

Info

Publication number
IN2014MN02265A
IN2014MN02265A IN2265MUN2014A IN2014MN02265A IN 2014MN02265 A IN2014MN02265 A IN 2014MN02265A IN 2265MUN2014 A IN2265MUN2014 A IN 2265MUN2014A IN 2014MN02265 A IN2014MN02265 A IN 2014MN02265A
Authority
IN
India
Prior art keywords
time
isotropic diffusion
diffusion weighting
orientation
discretely
Prior art date
Application number
Other languages
English (en)
Inventor
Daniel Topgaard
Samo Lasic
Markus Nilsson
Original Assignee
Cr Dev Ab
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 Cr Dev Ab filed Critical Cr Dev Ab
Publication of IN2014MN02265A publication Critical patent/IN2014MN02265A/en

Links

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
    • G01R33/54—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
    • G01R33/561—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
    • 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]
    • 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

Landscapes

  • 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)
IN2265MUN2014 2012-05-04 2013-05-03 IN2014MN02265A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261642594P 2012-05-04 2012-05-04
SE1250452A SE537065C2 (sv) 2012-05-04 2012-05-04 Pulssekvensförfarande för MRI
PCT/SE2013/050492 WO2013165312A1 (fr) 2012-05-04 2013-05-03 Procédé d'établisssement d'une séquence d'impulsions pour l'imagerie par résonance magnétique

Publications (1)

Publication Number Publication Date
IN2014MN02265A true IN2014MN02265A (fr) 2015-07-24

Family

ID=49514596

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2265MUN2014 IN2014MN02265A (fr) 2012-05-04 2013-05-03

Country Status (11)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE537064C2 (sv) * 2012-05-04 2014-12-23 Cr Dev Ab Analys för kvantifiering av mikroskopisk anisotropisk diffusion
CA2936624A1 (fr) * 2014-02-10 2015-08-13 Cr Development Ab Procede de quantification de diffusion isotrope et/ou de diffusion anisotrope dans un echantillon
WO2017108543A1 (fr) * 2015-12-22 2017-06-29 Koninklijke Philips N.V. Imagerie en tenseur de diffusion (dti) avec correction d'incohérence de gradient de diffusion induite par le mouvement
US10948560B2 (en) 2016-11-09 2021-03-16 Cr Development Ab Method of performing diffusion weighted magnetic resonance measurements on a sample
EP3607339A4 (fr) * 2017-04-06 2021-05-19 Oregon Health & Science University Irm d'activité
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

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997007731A2 (fr) * 1995-08-18 1997-03-06 Brigham And Women's Hospital, Inc. Imagerie par diffusion a balayage de lignes
US6288540B1 (en) * 1999-05-21 2001-09-11 University Of Rochester Optimized orthogonal gradient technique for fast quantitative diffusion MRI on a clinical scanner
EP1204880A1 (fr) * 1999-05-21 2002-05-15 National Institutes of Health, as represented by the Secretary, Department of Health and Human Services of the Government Determination d'une distribution empirique statistique du tenseur de diffusion dans un procede irm
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
SE0702063L (sv) 2007-05-31 2009-01-13 Colloidal Resource Ab Metod, system, datoravläsbart medium och användning för magnetisk resonanstomografi
US8526698B2 (en) * 2008-04-14 2013-09-03 Yeda Research & Development Co. Ltd. Method and apparatus for ductal tube tracking imaging for breast cancer detection and diagnosis, and product
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
US9097778B2 (en) * 2009-03-30 2015-08-04 Hitachi, Ltd. Magnetic resonance device with diffusion gradient phase variation positionally corrected
US8274283B2 (en) * 2009-04-27 2012-09-25 Siemens Aktiengesellschaft Method and apparatus for diffusion tensor magnetic resonance imaging
SE533126C2 (sv) * 2009-05-22 2010-06-29 Cr Dev Ab Metod och system för magnetisk resonanstomografi, samt användning därav.
JP2012066005A (ja) * 2010-09-27 2012-04-05 Toshiba Corp 磁気共鳴イメージング装置
SE537064C2 (sv) * 2012-05-04 2014-12-23 Cr Dev Ab Analys för kvantifiering av mikroskopisk anisotropisk diffusion

Also Published As

Publication number Publication date
KR102115627B1 (ko) 2020-05-26
EP2847607A1 (fr) 2015-03-18
SE537065C2 (sv) 2014-12-23
US10295639B2 (en) 2019-05-21
EP2847607B1 (fr) 2020-10-07
US20180017648A1 (en) 2018-01-18
AU2013257305B2 (en) 2017-06-15
US9791534B2 (en) 2017-10-17
JP6280540B2 (ja) 2018-02-14
CA2872348A1 (fr) 2013-11-07
JP2015518408A (ja) 2015-07-02
EP2847607A4 (fr) 2016-12-14
CN104471425B (zh) 2017-03-01
CA2872348C (fr) 2019-12-24
CN104471425A (zh) 2015-03-25
KR20150033602A (ko) 2015-04-01
BR112014027060A2 (pt) 2017-06-27
US20150115957A1 (en) 2015-04-30
AU2013257305A1 (en) 2014-11-27
WO2013165312A1 (fr) 2013-11-07
BR112014027060B1 (pt) 2022-03-15
SE1250452A1 (sv) 2013-11-05

Similar Documents

Publication Publication Date Title
IN2014MN02265A (fr)
WO2016077438A3 (fr) Séquences d'impulsions pour résonance magnétique à faible champ
IN2014CN02547A (fr)
GB2552611A (en) System and method for delta relaxation enhanced magnetic resonance imaging
WO2013001399A3 (fr) Imagerie par résonance magnétique d'un tissu osseux
IN2014CN02545A (fr)
SA516371728B1 (ar) إقلابات ثابت زمني مع حركات خادعة أقل t2
IN2014CN05013A (fr)
WO2011087847A3 (fr) Irm accélérée comprenant des gradients d'encodage spatial non linéaires
WO2012143847A3 (fr) Angiographie par résonance magnétique à contraste amélioré avec codage du décalage chimique pour la suppression des graisses
JP2016514563A5 (fr)
JP2011521760A5 (fr)
IN2014MN02502A (fr)
WO2011071796A3 (fr) Procédé et dispositif d'intégration de gradient interne et de limitation de la diffusion dans une inversion rmn
EP3193185A3 (fr) Appareil d'imagerie par résonance magnétique et procédé de commande correspondant
WO2014085376A3 (fr) Élastographie par résonance magnétique à modulation d'intervalle d'échantillon
RU2016134896A (ru) МР ТОМОГРАФИЯ С НУЛЕВЫМ ВРЕМЕНЕМ ЗАДЕРЖКИ ЭХО-СИГНАЛА С ДИСКРЕТИЗАЦИЕЙ ЦЕНТРА k-ПРОСТРАНСТВА
WO2021081309A3 (fr) Réduction d'artefacts en imagerie par résonance magnétique
US9702954B2 (en) Pseudo-continuous asymmetric signal targeting alternating radio frequency (pASTAR) for magnetic resonance angiography
WO2015011584A3 (fr) Différenciation de tissu par imagerie par résonance magnétique
KR20120121858A (ko) 자기 공명 이미징 장치
EP2762863A3 (fr) Procédés d'imagerie par résonance magnétique pour la mesure de composantes à courts T2
WO2012127494A8 (fr) Procédé et système d'acquisition irm rapide utilisant des modules d'excitation du signal adaptés (rate)
WO2014111266A3 (fr) Images de synthèse pondérées en fonction de paramètres et basées sur la relaxométrie (spare)
JP2019503750A5 (fr)