JP6721489B2 - 磁気共鳴イメージング装置及び計算画像生成方法 - Google Patents

磁気共鳴イメージング装置及び計算画像生成方法 Download PDF

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JP6721489B2
JP6721489B2 JP2016221863A JP2016221863A JP6721489B2 JP 6721489 B2 JP6721489 B2 JP 6721489B2 JP 2016221863 A JP2016221863 A JP 2016221863A JP 2016221863 A JP2016221863 A JP 2016221863A JP 6721489 B2 JP6721489 B2 JP 6721489B2
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parameter
magnetic resonance
relaxation time
imaging apparatus
lateral relaxation
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JP2018078959A5 (enExample
JP2018078959A (ja
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陽 谷口
陽 谷口
久晃 越智
久晃 越智
亨 白猪
亨 白猪
悦久 五月女
悦久 五月女
俊 横沢
俊 横沢
知樹 雨宮
知樹 雨宮
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Hitachi Ltd
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Hitachi Ltd
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Priority to PCT/JP2017/036823 priority patent/WO2018088096A1/ja
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    • 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
    • G01R33/50—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]
    • G01R33/5618—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 both RF and gradient refocusing, e.g. GRASE

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2016221863A 2016-11-14 2016-11-14 磁気共鳴イメージング装置及び計算画像生成方法 Active JP6721489B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016221863A JP6721489B2 (ja) 2016-11-14 2016-11-14 磁気共鳴イメージング装置及び計算画像生成方法
US16/342,111 US10866296B2 (en) 2016-11-14 2017-10-11 Magnetic resonance imaging apparatus and calculation image generation method using pulse sequence
PCT/JP2017/036823 WO2018088096A1 (ja) 2016-11-14 2017-10-11 磁気共鳴イメージング装置及び計算画像生成方法

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JP2016221863A JP6721489B2 (ja) 2016-11-14 2016-11-14 磁気共鳴イメージング装置及び計算画像生成方法

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JP2018078959A JP2018078959A (ja) 2018-05-24
JP2018078959A5 JP2018078959A5 (enExample) 2019-06-27
JP6721489B2 true JP6721489B2 (ja) 2020-07-15

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7161377B2 (ja) * 2018-11-06 2022-10-26 富士フイルムヘルスケア株式会社 画像処理装置、及び、それを含む磁気共鳴イメージング装置及び磁気共鳴イメージングシステム
US11796618B2 (en) * 2019-07-12 2023-10-24 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for magnetic resonance imaging
CN114690101B (zh) * 2022-03-30 2024-08-02 西门子数字医疗科技(上海)有限公司 磁共振成像中的参数定量检测方法、装置及磁共振扫描仪
CN115184852B (zh) * 2022-07-18 2025-07-25 沈阳工业大学 一种磁共振成像的方法及系统
JP2024064249A (ja) * 2022-10-27 2024-05-14 富士フイルムヘルスケア株式会社 磁気共鳴イメージング装置、画像処理装置、及び画像処理方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3445689A1 (de) * 1984-12-14 1986-06-19 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Verfahren und einrichtung zur ortsaufgeloesten untersuchung einer probe mittels magnetischer resonanz von spinmomenten
JPH01221150A (ja) * 1988-02-29 1989-09-04 Shimadzu Corp Ｍｒｉのデータ収集法
US4896113A (en) * 1988-11-25 1990-01-23 General Electric Company Use of repeated gradient echoes for noise reduction and improved NMR imaging
JPH04170938A (ja) * 1990-11-01 1992-06-18 Toshiba Corp 磁気共鳴イメージング方法
US5270654A (en) * 1991-07-05 1993-12-14 Feinberg David A Ultra-fast multi-section MRI using gradient and spin echo (grase) imaging
JP3336635B2 (ja) * 1992-08-06 2002-10-21 株式会社日立製作所 核磁気共鳴を用いた検査装置
JP3392478B2 (ja) * 1993-09-14 2003-03-31 株式会社東芝 磁気共鳴映像装置
DE4432575C2 (de) 1993-09-14 2003-04-10 Toshiba Kawasaki Kk Verfahren zur Bildgebung der Gehirnfunktion mittels einer Kernspinresonanz-Vorrichtung und hieran angepasste Kernspinresonanz-Vorrichtung
US5594336A (en) * 1995-06-02 1997-01-14 Picker International, Inc. Three point technique using spin and gradient echoes for water/fat separation
JP3427589B2 (ja) * 1995-08-31 2003-07-22 株式会社島津製作所 Ｍｒイメージング装置
US5860921A (en) * 1997-04-11 1999-01-19 Trustees Of The University Of Pennyslvania Method for measuring the reversible contribution to the transverse relaxation rate in magnetic resonance imaging
US20080272779A1 (en) * 2005-06-01 2008-11-06 Koninklijke Philips Electronics, N.V. Determination of Distribution Information of a Contrast Agent by Mr Molecular Imaging
JP5449903B2 (ja) 2009-07-29 2014-03-19 株式会社日立メディコ 磁気共鳴イメージング装置

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US10866296B2 (en) 2020-12-15
WO2018088096A1 (ja) 2018-05-17
JP2018078959A (ja) 2018-05-24

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