JP6713988B2 - 血流アーチファクトを抑制させたＤｉｘｏｎＭＲ撮像 - Google Patents

血流アーチファクトを抑制させたＤｉｘｏｎＭＲ撮像 Download PDF

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JP6713988B2
JP6713988B2 JP2017516446A JP2017516446A JP6713988B2 JP 6713988 B2 JP6713988 B2 JP 6713988B2 JP 2017516446 A JP2017516446 A JP 2017516446A JP 2017516446 A JP2017516446 A JP 2017516446A JP 6713988 B2 JP6713988 B2 JP 6713988B2
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echo
image
signal
fat
water
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JP2017528276A5 (enExample
JP2017528276A (ja
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ホルガー エガース
ホルガー エガース
ペーター ボルネート
ペーター ボルネート
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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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
    • 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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat 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
    • G01R33/563—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
    • 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
    • G01R33/56308—Characterization of motion or flow; Dynamic 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
    • G01R33/563—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
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56316—Characterization of motion or flow; Dynamic imaging involving phase contrast techniques
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56527—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to chemical shift effects
    • 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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • Physiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • Power Engineering (AREA)
  • Cardiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2017516446A 2014-09-26 2015-09-17 血流アーチファクトを抑制させたＤｉｘｏｎＭＲ撮像 Active JP6713988B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14186543.6 2014-09-26
EP14186543 2014-09-26
PCT/EP2015/071354 WO2016046062A1 (en) 2014-09-26 2015-09-17 Dixon mr imaging with suppression of flow artifacts

Publications (3)

Publication Number Publication Date
JP2017528276A JP2017528276A (ja) 2017-09-28
JP2017528276A5 JP2017528276A5 (enExample) 2018-10-25
JP6713988B2 true JP6713988B2 (ja) 2020-06-24

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JP2017516446A Active JP6713988B2 (ja) 2014-09-26 2015-09-17 血流アーチファクトを抑制させたＤｉｘｏｎＭＲ撮像

Country Status (5)

Country Link
US (1) US10175330B2 (enExample)
EP (1) EP3198291B1 (enExample)
JP (1) JP6713988B2 (enExample)
CN (1) CN107076819B (enExample)
WO (1) WO2016046062A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6639935B2 (ja) * 2016-02-09 2020-02-05 キヤノンメディカルシステムズ株式会社 画像処理装置およびｍｒｉ装置
US10188355B2 (en) * 2016-03-09 2019-01-29 Siemens Healthcare Gmbh Background-suppressed, reduced field-of-view radial magnetic resonance imaging
EP3413070A1 (en) 2017-06-09 2018-12-12 Koninklijke Philips N.V. Dual-echo dixon-type water/fat separation mr imaging
EP3462204A1 (en) * 2017-09-28 2019-04-03 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging with improved fat shift correction
EP3511728A1 (en) * 2018-01-12 2019-07-17 Koninklijke Philips N.V. Single-point dixon method for fat-water separation in chemical exchange saturation transfer magnetic resonance imaging
US11163027B2 (en) * 2019-06-05 2021-11-02 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and magnetic resonance imaging method
EP3859366A1 (en) 2020-01-30 2021-08-04 Koninklijke Philips N.V. Mr imaging using dixon-type water/fat separation with suppression of flow-induced leakage and/or swapping artifacts

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4901031B2 (ja) * 2001-08-28 2012-03-21 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 位相矛盾検出方法および装置、位相矛盾解消方法および装置、並びに、磁気共鳴撮影装置
WO2005008259A2 (en) * 2003-07-08 2005-01-27 New York University Method, system and software arrangement, for measuring magnetic field correlation
CN101427146A (zh) * 2006-04-21 2009-05-06 皇家飞利浦电子股份有限公司 磁共振对磁化率引起的磁场梯度的确定
JP5419718B2 (ja) * 2007-03-19 2014-02-19 コーニンクレッカ フィリップス エヌ ヴェ 磁気共鳴装置及び方法
DE102008057294B4 (de) * 2008-11-14 2010-10-07 Siemens Aktiengesellschaft Trennung von Fett- und Wasserbildern nach dem Zwei-Punkt-Dixon-Verfahren unter Berücksichtigung des T*2-Zerfalls
DE102008058488B4 (de) * 2008-11-21 2018-09-20 Siemens Healthcare Gmbh Verfahren und Vorrichtung zur Aufbereitung von kombinierten MR-Emissionstomographieaufnahmen
EP2239592A1 (en) * 2009-04-08 2010-10-13 Universitätsklinikum Freiburg Simultaneous excitation and acquisition of signal from multiple slices in the RARE sequence (multiplex RARE)
JP2011156078A (ja) * 2010-01-29 2011-08-18 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置およびプログラム
CN103238082B (zh) * 2010-12-02 2015-07-15 皇家飞利浦电子股份有限公司 使用多点Dixon技术和低分辨率校准的MR成像
EP2461175A1 (en) * 2010-12-02 2012-06-06 Koninklijke Philips Electronics N.V. MR imaging using a multi-point Dixon technique
CN102736047B (zh) * 2011-04-13 2016-04-13 深圳迈瑞生物医疗电子股份有限公司 磁共振系统及其水脂分离成像方法、装置
EP2515136A1 (en) * 2011-04-21 2012-10-24 Koninklijke Philips Electronics N.V. Contrast enhanced magnetic resonance angiography with chemical shift encoding for fat suppression
CN102949189B (zh) * 2011-08-31 2015-03-18 上海联影医疗科技有限公司 一种磁共振成像中用多通道数据组合实现水脂分离的方法
EP2798364B1 (en) * 2011-12-23 2021-08-11 Koninklijke Philips N.V. Mr imaging with suppression of flow artefacts
CN103513202B (zh) * 2012-06-16 2016-04-27 上海联影医疗科技有限公司 一种磁共振成像中的dixon水脂分离方法
WO2016004061A1 (en) * 2014-06-30 2016-01-07 University Of Washington Mri signal supression agents, compositions, and methods

Also Published As

Publication number Publication date
CN107076819A (zh) 2017-08-18
CN107076819B (zh) 2020-01-10
EP3198291B1 (en) 2022-03-09
WO2016046062A1 (en) 2016-03-31
US10175330B2 (en) 2019-01-08
US20170307715A1 (en) 2017-10-26
EP3198291A1 (en) 2017-08-02
JP2017528276A (ja) 2017-09-28

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