FR2546642B1 - Procede de generation d'images du temps de relaxation transversale en resonance magnetique nucleaire, par l'utilisation de sequences d'echos de spin multiples - Google Patents

Procede de generation d'images du temps de relaxation transversale en resonance magnetique nucleaire, par l'utilisation de sequences d'echos de spin multiples

Info

Publication number
FR2546642B1
FR2546642B1 FR848407860A FR8407860A FR2546642B1 FR 2546642 B1 FR2546642 B1 FR 2546642B1 FR 848407860 A FR848407860 A FR 848407860A FR 8407860 A FR8407860 A FR 8407860A FR 2546642 B1 FR2546642 B1 FR 2546642B1
Authority
FR
France
Prior art keywords
magnetic resonance
nuclear magnetic
spin echo
echo sequences
multiple spin
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
Application number
FR848407860A
Other languages
English (en)
Other versions
FR2546642A1 (fr
Inventor
Paul Arthur Bottomley
William Alan Edelstein
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2546642A1 publication Critical patent/FR2546642A1/fr
Application granted granted Critical
Publication of FR2546642B1 publication Critical patent/FR2546642B1/fr
Expired legal-status Critical Current

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
    • 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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo 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
    • G01R33/561—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]
    • G01R33/5617—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] using RF refocusing, e.g. RARE

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR848407860A 1983-05-23 1984-05-21 Procede de generation d'images du temps de relaxation transversale en resonance magnetique nucleaire, par l'utilisation de sequences d'echos de spin multiples Expired FR2546642B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/497,358 US4521733A (en) 1983-05-23 1983-05-23 NMR Imaging of the transverse relaxation time using multiple spin echo sequences

Publications (2)

Publication Number Publication Date
FR2546642A1 FR2546642A1 (fr) 1984-11-30
FR2546642B1 true FR2546642B1 (fr) 1989-03-31

Family

ID=23976538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848407860A Expired FR2546642B1 (fr) 1983-05-23 1984-05-21 Procede de generation d'images du temps de relaxation transversale en resonance magnetique nucleaire, par l'utilisation de sequences d'echos de spin multiples

Country Status (4)

Country Link
US (1) US4521733A (fr)
FR (1) FR2546642B1 (fr)
GB (1) GB2140569B (fr)
IL (1) IL71831A (fr)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI833807A (fi) * 1983-06-23 1984-12-24 Instrumentarium Oy Foerfarande foer utredning av aemnets eller magnetfaeltets egenskaper.
GB2148013B (en) * 1983-10-12 1988-02-03 Yokogawa Electric Corp Nuclear magnetic resonance imaging
DE3414635A1 (de) * 1984-04-18 1985-10-24 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum anregen einer probe fuer die nmr-tomographie
DE3434161A1 (de) * 1984-09-18 1986-03-27 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz
US4656424A (en) * 1984-11-07 1987-04-07 Yuval Tsur Apparatus and methods for selective excitation
US4694250A (en) * 1985-02-27 1987-09-15 Yokogawa Electric Corporation Nuclear magnetic resonance imaging device
US4695800A (en) * 1985-06-06 1987-09-22 Technicare Corporation Non harmonic NMR spin echo imaging
JPS61286741A (ja) * 1985-06-13 1986-12-17 Yokogawa Medical Syst Ltd Ｎｍｒイメ−ジング装置
US4912050A (en) * 1986-02-26 1990-03-27 The Beth Israel Hospital Association Process for the screening of cancer using nuclear magnetic resonance
US4918021A (en) * 1986-02-26 1990-04-17 The Beth Israel Hospital Association Process for the detection of cancer
US5261405A (en) * 1986-02-26 1993-11-16 The Beth Israel Hospital Association Apparatus and method for detecting cancer using nuclear magnetic resonance
US4714081A (en) * 1986-03-03 1987-12-22 General Electric Company Methods for NMR angiography
JPH0685768B2 (ja) * 1986-06-04 1994-11-02 株式会社日立製作所 核磁気共鳴を用いた検査方法
US4714884A (en) * 1986-06-13 1987-12-22 General Electric Company Method of eliminating effects of spurious NMR signals caused by imperfect 180 degree RF pulses
US5055788A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US4734646A (en) * 1986-09-16 1988-03-29 Fonar Corporation Method for obtaining T1-weighted and T2-weighted NMR images for a plurality of selected planes in the course of a single scan
FR2613076B1 (fr) * 1987-03-25 1990-05-18 Thomson Cgr Procede d'imagerie rapide par resonance magnetique nucleaire
DE3726932A1 (de) * 1987-08-13 1989-02-23 Spectrospin Ag Verfahren zum kodieren von n parametern bei der mehrdimensionalen fourier-nmr-spektroskopie
US5134373A (en) * 1988-03-31 1992-07-28 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus employing optical viewing screen
US4859945A (en) * 1988-05-03 1989-08-22 Elscint Ltd. Optimized signal to noise ratio
NL8801731A (nl) * 1988-07-08 1990-02-01 Philips Nv Werkwijze en kernspinresonantie-inrichting om de dwarsrelaxatietijdkonstante t2 snel te bepalen.
JPH0399632A (ja) * 1989-09-13 1991-04-24 Hitachi Ltd 磁気共鳴イメージング装置
JPH05184555A (ja) * 1991-03-20 1993-07-27 Hitachi Ltd 磁気共鳴イメージング方法及び装置
US5168226A (en) * 1991-05-22 1992-12-01 General Electric Acquisition of multiple images in fast spin echo nmr scans
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
DE4415393B4 (de) * 1993-06-01 2010-10-14 Siemens Ag Verfahren zur Erzeugung von Bildern in einem Kernspintomographiegerät mit einer Spinecho-Pulssequenz
DE4327321C1 (de) * 1993-08-13 1994-10-27 Siemens Ag Pulssequenz für Kernspintomographiegeräte
US5517118A (en) * 1994-04-25 1996-05-14 Panacea Medical Laboratories Subslicing for remotely positioned MRI
US5767675A (en) * 1996-05-31 1998-06-16 Panacea Medical Laboratories Mixed timing CPMG sequence for remotely positioned MRI
US5855555A (en) * 1997-01-06 1999-01-05 Crowely; Christopher W. MRI system and method for imaging skin
JP2001511058A (ja) * 1997-12-12 2001-08-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気共鳴画像用の方法及び装置
US6144873A (en) * 1998-04-17 2000-11-07 Board Of Trustees Of The Leland Stanford Junior University Method of efficient data encoding in dynamic magnetic resonance imaging
US6597170B1 (en) * 2000-06-29 2003-07-22 Baker Hughes Incorporated Optimal excitation pulse shaping for multi-frequency measurements in NMR logging
US6400150B1 (en) 2001-04-02 2002-06-04 Regents Of The University Of Minnesota NMR spectroscopy data recovery method and apparatus
US6518757B1 (en) * 2002-03-08 2003-02-11 Schlumberger Technology Corporation Use of CPMG sequences with phase cycled refocusing pulses in inside-out NMR for phase encoded imaging and to eliminate coherent ringing within one scan
US7838250B1 (en) 2006-04-04 2010-11-23 Singulex, Inc. Highly sensitive system and methods for analysis of troponin
CA2648382C (fr) 2006-04-04 2016-10-11 Singulex, Inc. Procedes et compositions d'analyse extremement sensible de marqueurs et de detection de molecules
WO2009126380A2 (fr) * 2008-03-05 2009-10-15 Singulex, Inc. Procédés et compositions pour une détection hautement sensible de molécules
GB2464183A (en) * 2008-09-19 2010-04-14 Singulex Inc Sandwich assay
AU2010259022B2 (en) 2009-06-08 2016-05-12 Singulex, Inc. Highly sensitive biomarker panels
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
EP2566971B1 (fr) 2010-05-06 2019-03-27 Singulex, Inc. Méthodes de diagnostic, de classification et de prédiction du risque de développement d'une polyarthrite rhumatoïde et identification des sujets répondant à un traitement
US9494668B2 (en) 2011-12-02 2016-11-15 The Johns Hopkins University Systems and methods for measuring nuclear magnetic resonance spin-lattice relaxation time T1 and spin-spin relaxation time T2
US10551462B2 (en) * 2013-12-11 2020-02-04 Siemens Healthcare Gmbh Accuracy and off-resonance performance in quantitative magnetization prepared magnetic resonance imaging
RU2554597C1 (ru) * 2014-03-25 2015-06-27 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (ФГАОУ ВО "СПбПУ") Способ обработки импульсных сигналов на основе ядерного спинового эха
CN116990736B (zh) * 2023-09-22 2023-12-12 山东奥新医疗科技有限公司 一种核磁共振成像方法、装置、设备及存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1580787A (en) * 1976-04-14 1980-12-03 Mansfield P Nuclear magnetic resonance apparatus and methods
US4318043A (en) * 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
GB2052753B (en) * 1979-05-23 1983-08-03 Emi Ltd Nmr system
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
DE3209264A1 (de) * 1982-03-13 1983-09-22 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation
US4484138A (en) * 1982-07-01 1984-11-20 General Electric Company Method of eliminating effects of spurious free induction decay NMR signal caused by imperfect 180 degrees RF pulses

Also Published As

Publication number Publication date
GB2140569A (en) 1984-11-28
IL71831A (en) 1987-11-30
FR2546642A1 (fr) 1984-11-30
GB8411665D0 (en) 1984-06-13
IL71831A0 (en) 1984-09-30
US4521733A (en) 1985-06-04
GB2140569B (en) 1987-09-30

Similar Documents

Publication Publication Date Title
FR2546642B1 (fr) Procede de generation d'images du temps de relaxation transversale en resonance magnetique nucleaire, par l'utilisation de sequences d'echos de spin multiples
DE3475436D1 (en) Nuclear magnetic resonance diagnostic apparatus
GB2199147B (en) Magnetic field generating system for magnetic resonance imaging system
GB8406949D0 (en) Nuclear magnetic resonance imaging apparatus
DE3374813D1 (en) Nuclear magnetic resonance diagnostic apparatus
EP0098479A3 (en) Elimination of induction decay in nmr imaging by phase alternation
GB8324000D0 (en) Apparatus for examination by nuclear magnetic resonance
EP0103397A3 (en) Nuclear magnetic resonance imaging method
GB8405065D0 (en) Nuclear magnetic resonance imaging apparatus
DE3274586D1 (en) Nuclear magnetic resonance diagnostic apparatus
JPS57180947A (en) Diagnostic nuclear magnetic resonance apparatus
DE3379239D1 (en) Nuclear magnetic resonance diagnostic apparatus
GB2158248B (en) Magnetic field generating coil assembly for nuclear magnetic resonance imaging apparatus
GB2173001B (en) Diagnostic apparatus employing nuclear magnetic resonance
GB2121188B (en) A method of tomographic scanning of an object by nuclear magnetic resonance
GB2261954B (en) Method for nuclear magnetic resonance (NMR) tomography
DE3789086D1 (de) Zusammengesetzte impulssequenz zur bilderzeugung mittels magnetischer kernresonanz.
DE3268416D1 (en) Imaging apparatus using nuclear magnetic resonance
DE3478345D1 (en) Nuclear magnetic resonance diagnostic apparatus
GB2129568B (en) Nuclear magnetic resonance imaging method
EP0311294A3 (fr) Aimant
DE3375211D1 (en) Nuclear magnetic resonance diagnostic apparatus
ATE64472T1 (de) Nichtharmonische nmr-spin-echo-bildgebung.
FR2588994B1 (fr) Bobine de gradient pour appareils d'imagerie par resonance magnetique nucleaire
GB8517264D0 (en) Nuclear magnetic resonance imaging apparatus