JP6684824B2 - 非ｔ２強調信号寄与を除去したｔ２強調ｍｒ撮像 - Google Patents

非ｔ２強調信号寄与を除去したｔ２強調ｍｒ撮像 Download PDF

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JP6684824B2
JP6684824B2 JP2017554586A JP2017554586A JP6684824B2 JP 6684824 B2 JP6684824 B2 JP 6684824B2 JP 2017554586 A JP2017554586 A JP 2017554586A JP 2017554586 A JP2017554586 A JP 2017554586A JP 6684824 B2 JP6684824 B2 JP 6684824B2
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signals
pulse
sequence
excitation
magnetic field
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JP2018512960A5 (OSRAM
JP2018512960A (ja
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ヨハネス ペトルス グローエン
ヨハネス ペトルス グローエン
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Koninklijke Philips NV
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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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • 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
    • G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time 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
    • 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
    • G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2017554586A 2015-04-22 2016-04-15 非ｔ２強調信号寄与を除去したｔ２強調ｍｒ撮像 Expired - Fee Related JP6684824B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15164577.7 2015-04-22
EP15164577 2015-04-22
PCT/EP2016/058303 WO2016169840A1 (en) 2015-04-22 2016-04-15 T2-weighted mr imaging with elimination of non-t2-weighted signal contributions

Publications (3)

Publication Number Publication Date
JP2018512960A JP2018512960A (ja) 2018-05-24
JP2018512960A5 JP2018512960A5 (OSRAM) 2019-05-23
JP6684824B2 true JP6684824B2 (ja) 2020-04-22

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JP2017554586A Expired - Fee Related JP6684824B2 (ja) 2015-04-22 2016-04-15 非ｔ２強調信号寄与を除去したｔ２強調ｍｒ撮像

Country Status (5)

Country Link
US (1) US10732242B2 (OSRAM)
EP (1) EP3300519A1 (OSRAM)
JP (1) JP6684824B2 (OSRAM)
CN (1) CN107810425B (OSRAM)
WO (1) WO2016169840A1 (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3579009A1 (en) * 2018-06-05 2019-12-11 Koninklijke Philips N.V. Zero echo time mr imaging with water-fat separation
EP3770623A1 (en) * 2019-07-24 2021-01-27 Siemens Healthcare GmbH Method for controlling patient stimulating effects in magnetic resonance imaging, corresponding computer program and computer-readable storage medium, and magnetic resonance imaging device
CN112946546B (zh) * 2019-12-10 2023-10-27 西门子(深圳)磁共振有限公司 短t2组织的成像方法、系统及磁共振成像系统
DE102020206515A1 (de) * 2020-05-26 2021-12-02 Siemens Healthcare Gmbh Sättigungspräparierte Aufnahme von MR-Bilddaten
CN112075934B (zh) * 2020-09-09 2021-07-23 清华大学 用于识别颈动脉斑块的磁共振单序列多参数定量成像系统
WO2025159935A1 (en) * 2024-01-22 2025-07-31 Case Western Reserve University System and method for magnitude-based magnetic resonance acoustic radiation force imaging

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3193467B2 (ja) * 1992-07-31 2001-07-30 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US5655531A (en) 1995-05-15 1997-08-12 The Board Of Trustees Of The Leland Stanford Junior University MRI method and apparatus for selective image suppression of material based on T1 and T2 relation times
JP4006080B2 (ja) * 1998-03-11 2007-11-14 株式会社東芝 磁気共鳴イメージング装置
US6147492A (en) * 1998-10-28 2000-11-14 Toshiba America Mri, Inc. Quantitative MR imaging of water and fat using a quadruple-echo sequence
US8386013B2 (en) * 2006-04-13 2013-02-26 The Regents Of The University Of California Magnetic resonance imaging (MRI) using ultra short echo times and spiral sampling in K-space
US8188735B2 (en) 2007-10-30 2012-05-29 Case Western Reserve University Resolution enhanced T1-insensitive steady state imaging (RE-TOSSI)
US20090143666A1 (en) * 2007-11-29 2009-06-04 Edelman Robert R System And Method For Non-Contrast Agent MR Angiography
US20140070805A1 (en) * 2011-04-11 2014-03-13 Koninklijke Philips N.V. Mr imaging with b1 mapping
DE102011083398B4 (de) * 2011-09-26 2014-03-13 Siemens Aktiengesellschaft Erzeugung von T2-gewichteten Magnetresonanzaufnahmen
WO2014126134A1 (ja) 2013-02-15 2014-08-21 株式会社 日立メディコ 磁気共鳴イメージング装置及び不要コントラスト低減方法
US20160113501A1 (en) 2013-06-03 2016-04-28 The Johns Hopkins University Functional Magnetic Resonance Imaging (fMRI) Methodology Using Transverse Relaxation Preparation and Non-Echo-Planar Imaging (EPI) Pulse Sequences

Also Published As

Publication number Publication date
US20180113184A1 (en) 2018-04-26
US10732242B2 (en) 2020-08-04
WO2016169840A1 (en) 2016-10-27
EP3300519A1 (en) 2018-04-04
CN107810425A (zh) 2018-03-16
JP2018512960A (ja) 2018-05-24
CN107810425B (zh) 2020-05-01

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