JP7208796B2 - ディクソン法による水／脂肪分離を用いたｍｒ撮像 - Google Patents

ディクソン法による水／脂肪分離を用いたｍｒ撮像 Download PDF

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JP7208796B2
JP7208796B2 JP2018562622A JP2018562622A JP7208796B2 JP 7208796 B2 JP7208796 B2 JP 7208796B2 JP 2018562622 A JP2018562622 A JP 2018562622A JP 2018562622 A JP2018562622 A JP 2018562622A JP 7208796 B2 JP7208796 B2 JP 7208796B2
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echo signals
echo
pulses
refocusing
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JP2019522513A5 (enExample
JP2019522513A (ja
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ホルガー エガース
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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
    • G01R33/4828—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
    • 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
    • G01R33/561—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
    • 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
    • G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

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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)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2018562622A 2016-06-02 2017-06-01 ディクソン法による水／脂肪分離を用いたｍｒ撮像 Active JP7208796B2 (ja)

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EP16172658.3 2016-06-02
EP16172658 2016-06-02
PCT/EP2017/063326 WO2017207700A1 (en) 2016-06-02 2017-06-01 Dixon-type water/fat separation mr imaging

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP2022169618A (ja) * 2016-06-02 2022-11-09 コーニンクレッカ フィリップス エヌ ヴェ ディクソン法による水／脂肪分離を用いたｍｒ撮像

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020522562A (ja) * 2017-06-06 2020-07-30 ストキューブ アンド シーオー．， インコーポレイテッド Ｂｔｎ１ａ１又はｂｔｎ１ａ１リガンドに結合する抗体及び分子を用いて癌を治療する方法
DE102018200900B4 (de) 2018-01-22 2023-02-02 Siemens Healthcare Gmbh Verfahren und Magnetresonanzanlage zur Artefaktvermeidung bei schnellen 3D Spinechosequenzen
EP3531154A1 (en) * 2018-02-22 2019-08-28 Koninklijke Philips N.V. Dixon mr imaging using a multi-gradient-echo sequence
EP3715896B1 (en) * 2019-03-27 2023-02-15 Siemens Healthcare GmbH Minimization of signal losses in multi-echo imaging
EP3792647A1 (en) * 2019-09-16 2021-03-17 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
EP4012434A1 (en) * 2020-12-08 2022-06-15 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
CN114820403B (zh) 2021-01-27 2025-04-29 西门子(深圳)磁共振有限公司 磁共振水脂图像分离方法、装置、成像系统及存储介质
EP4043902A1 (en) * 2021-02-11 2022-08-17 Koninklijke Philips N.V. Dixon-type water/fat separation mr imaging
CN115144801B (zh) * 2021-03-30 2025-08-19 西门子(深圳)磁共振有限公司 飞跃时间成像方法、装置及磁共振成像系统
EP4653904A1 (en) * 2024-05-21 2025-11-26 Koninklijke Philips N.V. Removal of free induction decay artifacts in turbo spin echo mri images

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000070239A (ja) 1998-08-27 2000-03-07 Toshiba America Mri Inc 磁気共鳴イメ―ジング方法および磁気共鳴イメ―ジング装置
US20130089271A1 (en) 2010-06-24 2013-04-11 Koninklijke Philips Electronics N.V. Dynamic contrast enhanced mr imaging with compressed sensing reconstruction
JP2014008409A (ja) 2012-06-28 2014-01-20 Siemens Aktiengesellschaft 水・脂肪の分離を実行する磁気共鳴画像化方法および装置
US20150161784A1 (en) 2012-02-28 2015-06-11 Jingfei Ma Method and apparatus for extended phase correction in phase sensitive magnetic resonance imaging
US20160139222A1 (en) 2013-06-19 2016-05-19 Yeda Research And Development Co. Ltd. Methods for spatial and spectral selectivity in magnetic resonance imaging and spectroscopy
JP2016514563A (ja) 2013-04-03 2016-05-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 高ｓｎｒの同相画像及び低ｓｎｒの少なくとも部分的に異相の画像を使用するディクソン型の水／脂肪分離ｍｒｉ

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801800B2 (en) * 1999-11-29 2004-10-05 Kabushiki Kaisha Toshiba MR imaging using ECG-prep scan
US20040043022A1 (en) 2001-04-30 2004-03-04 Heuer Josef Georg Treating t-cell mediated diseases by modulating dr6 activity
US7027853B2 (en) 2002-09-26 2006-04-11 Board Of Regents, The University Of Texas System Data acquisition method and apparatus for MR imaging
DK2381382T3 (en) * 2003-10-14 2018-03-05 Verseon Method and apparatus for analyzing molecular configurations and combinations
RU2270995C1 (ru) * 2004-07-05 2006-02-27 Кубанский государственный технологический университет Способ определения содержания влаги в мучном кондитерском изделии
WO2006121827A2 (en) 2005-05-06 2006-11-16 Board Of Regents, The University Of Texas System System, program product, and method of acquiring and processing mri data for simultaneous determination of water, fat, and transverse relaxation time constants
RU2308709C1 (ru) * 2006-02-26 2007-10-20 Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") Способ определения содержания жира в маргарине
US7535222B2 (en) * 2007-01-02 2009-05-19 The Board Of Trustees Of The Leland Stanford Junior University MRI data acquisition using propeller k-space data acquisition
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)
WO2011098941A1 (en) 2010-02-09 2011-08-18 Koninklijke Philips Electronics N.V. Coronary magnetic resonance angiography with signal separation for water and fat
CN102232831B (zh) * 2010-04-30 2016-03-30 西门子(深圳)磁共振有限公司 一种实现水脂分离的磁共振成像方法
CN102232830B (zh) * 2010-04-30 2014-09-03 西门子(深圳)磁共振有限公司 一种磁共振成像水脂分离方法
WO2012061839A2 (en) * 2010-11-05 2012-05-10 The Regents Of The University Of California Mri-based fat double bond mapping
WO2012073181A2 (en) * 2010-12-02 2012-06-07 Koninklijke Philips Electronics N.V. Mr imaging using a multi-point dixon technique
EP2508910B1 (en) * 2011-03-22 2020-08-19 Toshiba Medical Systems Corporation Magnetic resonance imaging system and process
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
SG10201602141QA (en) * 2011-09-25 2016-04-28 Theranos Inc Systems And Methods For Multi-Analysis
RU2605524C2 (ru) 2011-12-23 2016-12-20 Конинклейке Филипс Н.В. Магнитно-резонансная визуализация с подавлением артефактов потока
EP2610632A1 (en) * 2011-12-29 2013-07-03 Koninklijke Philips Electronics N.V. MRI with Dixon-type water/fat separation and prior knowledge about inhomogeneity of the main magnetic field
EP2626718A1 (en) * 2012-02-09 2013-08-14 Koninklijke Philips Electronics N.V. MRI with motion correction using navigators acquired using a Dixon technique
US8824766B2 (en) * 2012-02-10 2014-09-02 Duke University Systems and methods for automated magnetic resonance imaging
CN103257333B (zh) * 2012-02-17 2016-04-13 西门子(深圳)磁共振有限公司 一种磁共振成像中的水脂分离成像方法及装置
US20130300410A1 (en) * 2012-03-30 2013-11-14 Max-Delbrueck- Centrum Fuer Molekulare Medizine Method for fast spin-echo MRT imaging
US20130314088A1 (en) * 2012-04-19 2013-11-28 New York University Multi-channel coil arrangement
DE102013201616B3 (de) * 2013-01-31 2014-07-17 Siemens Aktiengesellschaft TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung
JP2016512780A (ja) * 2013-03-21 2016-05-09 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 圧縮センシングを使用したｍｒ画像の再構成
DE102013205208B4 (de) * 2013-03-25 2015-02-12 Siemens Aktiengesellschaft Multiecho-Magnetresonanz-Messsequenz mit erhöhter Auflösung
US10234522B2 (en) 2013-09-16 2019-03-19 Koninklijke Philips N.V. MR imaging with dixon-type water/fat separation
CN105433944B (zh) * 2014-07-31 2018-07-03 西门子公司 用于获取对象的磁共振数据的方法及装置
CN104382597A (zh) * 2014-11-11 2015-03-04 奥泰医疗系统有限责任公司 一种磁共振成像中的Dixon水脂分离及辨析方法及系统
RU2739479C2 (ru) * 2016-06-02 2020-12-24 Конинклейке Филипс Н.В. Магнитно-резонансная томография с разделением воды и жира по методу диксона

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000070239A (ja) 1998-08-27 2000-03-07 Toshiba America Mri Inc 磁気共鳴イメ―ジング方法および磁気共鳴イメ―ジング装置
US20130089271A1 (en) 2010-06-24 2013-04-11 Koninklijke Philips Electronics N.V. Dynamic contrast enhanced mr imaging with compressed sensing reconstruction
US20150161784A1 (en) 2012-02-28 2015-06-11 Jingfei Ma Method and apparatus for extended phase correction in phase sensitive magnetic resonance imaging
JP2014008409A (ja) 2012-06-28 2014-01-20 Siemens Aktiengesellschaft 水・脂肪の分離を実行する磁気共鳴画像化方法および装置
JP2016514563A (ja) 2013-04-03 2016-05-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 高ｓｎｒの同相画像及び低ｓｎｒの少なくとも部分的に異相の画像を使用するディクソン型の水／脂肪分離ｍｒｉ
US20160139222A1 (en) 2013-06-19 2016-05-19 Yeda Research And Development Co. Ltd. Methods for spatial and spectral selectivity in magnetic resonance imaging and spectroscopy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022169618A (ja) * 2016-06-02 2022-11-09 コーニンクレッカ フィリップス エヌ ヴェ ディクソン法による水／脂肪分離を用いたｍｒ撮像

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EP3465246A1 (en) 2019-04-10
CN109219757B (zh) 2021-10-12
EP4446765A2 (en) 2024-10-16
RU2018146906A3 (enExample) 2020-07-09
RU2018146906A (ru) 2020-07-09
EP3465246B1 (en) 2024-09-11
JP2022169618A (ja) 2022-11-09
CN109219757A (zh) 2019-01-15
RU2739479C2 (ru) 2020-12-24
EP4446765A3 (en) 2025-01-15
US20200319280A1 (en) 2020-10-08
US11041926B2 (en) 2021-06-22
JP2019522513A (ja) 2019-08-15
WO2017207700A1 (en) 2017-12-07

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