WO2008041208A3 - Segmented multi-shot mri involving magnetization preparation - Google Patents

Segmented multi-shot mri involving magnetization preparation Download PDF

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Publication number
WO2008041208A3
WO2008041208A3 PCT/IB2007/054111 IB2007054111W WO2008041208A3 WO 2008041208 A3 WO2008041208 A3 WO 2008041208A3 IB 2007054111 W IB2007054111 W IB 2007054111W WO 2008041208 A3 WO2008041208 A3 WO 2008041208A3
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WO
WIPO (PCT)
Prior art keywords
segments
signals
shot
space
sub
Prior art date
Application number
PCT/IB2007/054111
Other languages
French (fr)
Other versions
WO2008041208A2 (en
Inventor
Gabriele M Beck
Becker Jan F L De
Alun C R Jones
Original Assignee
Koninkl Philips Electronics Nv
Gabriele M Beck
Becker Jan F L De
Alun C R Jones
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 Koninkl Philips Electronics Nv, Gabriele M Beck, Becker Jan F L De, Alun C R Jones filed Critical Koninkl Philips Electronics Nv
Publication of WO2008041208A2 publication Critical patent/WO2008041208A2/en
Publication of WO2008041208A3 publication Critical patent/WO2008041208A3/en
Priority to PCT/IB2008/054081 priority Critical patent/WO2009047690A2/en

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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
    • G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood 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
    • G01R33/4818—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
    • G01R33/4818—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
    • G01R33/482—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 using a Cartesian trajectory
    • G01R33/4822—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 using a Cartesian trajectory in three dimensions
    • 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
    • G01R33/4824—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 using a non-Cartesian trajectory
    • 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
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
    • 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]
    • G01R33/5616—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 gradient refocusing, e.g. 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
    • G01R33/561—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
    • 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
    • G01R33/561—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]

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (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)

Abstract

The invention relates to a device for magnetic resonance imaging of at least a portion of a body placed in an examination volume. The device is arranged to perform the following successive steps: a) acquiring two or more differently phase-encoded MR signals (a, b, c, d) by subjecting the portion to a shot of an imaging pulse sequence comprising at least one RF pulse and switched magnetic field gradients; b) repeating step a) to scan k-space completely by applying a plurality of shots and by using a phase encoding scheme, according to which k-space is divided into at least two segments (17, 18, 19, 20), each segment (17, 18, 19, 20) being further divided into sub-segments, wherein MR signals (a, b, c, d) are acquired from different sub-segments of a single segment during each shot, which sub- segments are successively arranged in k-space in the order of the temporal succession of the MR signals (a, b, c, d), and c) reconstructing an MR image from the acquired MR signals.
PCT/IB2007/054111 2006-10-03 2007-10-09 Segmented multi-shot mri involving magnetization preparation WO2008041208A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2008/054081 WO2009047690A2 (en) 2007-10-09 2008-10-06 Segmented multi-shot mri involving magnetization preparation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06121675 2006-10-03
EP06121675.0 2006-10-03

Publications (2)

Publication Number Publication Date
WO2008041208A2 WO2008041208A2 (en) 2008-04-10
WO2008041208A3 true WO2008041208A3 (en) 2008-07-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/054111 WO2008041208A2 (en) 2006-10-03 2007-10-09 Segmented multi-shot mri involving magnetization preparation

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US10887609B2 (en) * 2017-12-13 2021-01-05 Netflix, Inc. Techniques for optimizing encoding tasks

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001073462A1 (en) * 2000-03-27 2001-10-04 Koninklijke Philips Electronics N.V. Magnetic resonance imaging method for imaging time-dependent contrast
WO2005024449A1 (en) * 2003-09-08 2005-03-17 Koninklijke Philips Electronics, N.V. Randomized ordered k-space sub-sets with shared pre-pulses in mri

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001073462A1 (en) * 2000-03-27 2001-10-04 Koninklijke Philips Electronics N.V. Magnetic resonance imaging method for imaging time-dependent contrast
WO2005024449A1 (en) * 2003-09-08 2005-03-17 Koninklijke Philips Electronics, N.V. Randomized ordered k-space sub-sets with shared pre-pulses in mri

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
ALTBACH MI ET AL: "Radial fast spin-echo method for T2-weighted imaging and T2 mapping of the liver", JOURNAL OF MAGNETIC RESONANCE IMAGING, SOCIETY FOR MAGNETIC RESONANCE IMAGING, OAK BROOK, IL,, US, vol. 16, no. 2, 23 July 2002 (2002-07-23), pages 179 - 189, XP002333652, ISSN: 1053-1807 *
BECK GM ET AL: "A contrast-enhanced timing robust acquisition order with a preparation of the longitudinal signal component, CENTRA+, for 3D contrast enhanced abdominal imaging", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE, 15TH SCIENTIFIC MEETING AND EXHIBITION, BERLIN, GERMANY, 19-25 MAY 2007, 19 May 2007 (2007-05-19), pages 3454, XP002472138 *
BERNSTEIN MA ET AL: "Handbook of MRI pulse sequences", 2004, ELSEVIER ACADEMIC PRESS, BURLINGTON, MA, USA, XP002472143 *
DESMOND KL ET AL: "Optimal k-space acquisition reordering for intermittent fat saturation in breast MRI", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE, 14TH SCIENTIFIC MEETING AND EXHIBITION, SEATTLE, WASHINGTON, USA, 6-12 MAY 2006, 6 May 2006 (2006-05-06), pages 583, XP002472141 *
HAN ET ET AL: "3D segmented elliptic-centric spoiled gradient echo imaging for the in vivo quantitation of cartilage T1rho", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE, 13TH SCIENTIFIC MEETING AND EXHIBITION, MIAMI BEACH, FLORIDA, USA, 7-13 MAY 2005, 7 May 2005 (2005-05-07), pages 473, XP002472139 *
HOOGEVEEN RM ET AL: "Fast dynamic, high resolution contrast-enhanced MR angiography with CENTRA keyhole and SENSE", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE, 12TH SCIENTIFIC MEETING AND EXHIBITION, KYOTO, JAPAN, 15-21 MAY 2004, 15 May 2004 (2004-05-15), pages 9, XP002472142 *
LIN C, BERNSTEIN MA: "3D magnetization prepared elliptical centric fast gradient echo imaging", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE, 14TH SCIENTIFIC MEETING AND EXHIBITION, SEATTLE, WASHINGTON, USA, 6-12 MAY 2006, 6 May 2006 (2006-05-06), pages 209, XP002472140 *

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