JP7359870B2 - バイポーラ拡散傾斜を用いたデュアルエコー定常状態ｍｒイメージング - Google Patents

バイポーラ拡散傾斜を用いたデュアルエコー定常状態ｍｒイメージング Download PDF

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JP7359870B2
JP7359870B2 JP2021565737A JP2021565737A JP7359870B2 JP 7359870 B2 JP7359870 B2 JP 7359870B2 JP 2021565737 A JP2021565737 A JP 2021565737A JP 2021565737 A JP2021565737 A JP 2021565737A JP 7359870 B2 JP7359870 B2 JP 7359870B2
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echo
diffusion
signal
dual
induction decay
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Japanese (ja)
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JP2022522240A (ja
JP2022522240A5 (https=
JPWO2020225291A5 (https=
Inventor
ヨヘン ケウップ
ウルリッヒ ウォルフガング カッシェール
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Koninklijke Philips NV
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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
    • G01R33/54—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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • G01R33/5614—Generating steady state signals, e.g. low flip angle sequences [FLASH] using a fully balanced steady-state free precession [bSSFP] pulse sequence, e.g. trueFISP
    • 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
    • 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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
JP2021565737A 2019-05-09 2020-05-06 バイポーラ拡散傾斜を用いたデュアルエコー定常状態ｍｒイメージング Active JP7359870B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19173509.1A EP3736593A1 (en) 2019-05-09 2019-05-09 Dual echo steady state mr imaging using bipolar diffusion gradients
EP19173509.1 2019-05-09
PCT/EP2020/062552 WO2020225291A1 (en) 2019-05-09 2020-05-06 Dual echo steady state mr imaging using bipolar diffusion gradients

Publications (4)

Publication Number Publication Date
JP2022522240A JP2022522240A (ja) 2022-04-14
JP2022522240A5 JP2022522240A5 (https=) 2022-11-22
JPWO2020225291A5 JPWO2020225291A5 (https=) 2022-11-22
JP7359870B2 true JP7359870B2 (ja) 2023-10-11

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JP2021565737A Active JP7359870B2 (ja) 2019-05-09 2020-05-06 バイポーラ拡散傾斜を用いたデュアルエコー定常状態ｍｒイメージング

Country Status (5)

Country Link
US (1) US11815582B2 (https=)
EP (2) EP3736593A1 (https=)
JP (1) JP7359870B2 (https=)
CN (1) CN113795765B (https=)
WO (1) WO2020225291A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116973823B (zh) * 2023-09-25 2024-01-09 之江实验室 基于全稳态平衡进动的线扫描磁共振成像方法和系统
DE102024207452A1 (de) 2024-08-06 2026-02-12 Siemens Healthineers Ag Computerimplementiertes Verfahren zur Aufnahme von Magnetresonanzdaten mit einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10250922B4 (de) * 2002-10-31 2008-01-31 Siemens Ag Verfahren zur Ermittlung des ADC-Koeffizienten in der Diffusionsgewichteten Magnetresonanz-Bildgebung bei Verwendung von Steady-State-Sequenzen
WO2010035569A1 (ja) * 2008-09-25 2010-04-01 株式会社 日立メディコ 磁気共鳴イメージング装置
US8508225B2 (en) * 2010-11-10 2013-08-13 The Board Of Trustees Of The Leland Stanford Junior University T2-weighted and diffusion-weighted imaging using fast acquisition with double echo (FADE)
US8497680B2 (en) * 2011-03-24 2013-07-30 University Hospital Of Basel Magnetic resonance method for quantification of molecular diffusion using double echo steady state sequences
RU2616984C2 (ru) * 2011-10-18 2017-04-19 Конинклейке Филипс Н.В. Магнитно-резонансная (mr) томография электрических свойств
BR112014015398A8 (pt) * 2011-12-23 2017-07-04 Koninklijke Philips Nv método de obtenção de imagem por mr de um corpo colocado no volume de exame de um dispositivo mr, dispositivo de mr para realizar o método e programa de computador a ser executado em um dispositivo de mr
DE102013201616B3 (de) * 2013-01-31 2014-07-17 Siemens Aktiengesellschaft TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung
CN107153169B (zh) * 2017-07-04 2020-03-27 南京拓谱医疗科技有限公司 一种稳态进动梯度多回波水脂分离成像方法
EP3754357A1 (en) * 2019-06-20 2020-12-23 Koninklijke Philips N.V. Magnetic resonance electric properties tomography without contrast agent

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Klaus Scheffler，Principles and applications of balanced SSFP techniques，Eur Radiol，2003年，13，pp.2409-2418
Kristin L. Granlund，High-resolution, three-dimensional diffusion-weighted breast imaging using DESS，Magn Reson Imaging，32(4)，2014年，pp.330-341
Oliver Bieri，Fundamentals of Balanced Steady State Free Precession MRI，JOURNAL OF MAGNETIC RESONANCE IMAGING，2013年，38，pp.2-11
丸 武史，「拡散をもう一度振り返る」今、振り返る基礎 Motion Probing Gradient： MPG ，埼玉放射線，Vol.64 No.2，2016年，pp.122-127

Also Published As

Publication number Publication date
EP3966583B1 (en) 2023-12-20
JP2022522240A (ja) 2022-04-14
CN113795765B (zh) 2025-09-30
EP3966583A1 (en) 2022-03-16
CN113795765A (zh) 2021-12-14
US11815582B2 (en) 2023-11-14
EP3736593A1 (en) 2020-11-11
US20220236357A1 (en) 2022-07-28
WO2020225291A1 (en) 2020-11-12

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