CN111164444B - 具有经改进的脂肪位移校正的Dixon型水/脂肪分离MR成像 - Google Patents

具有经改进的脂肪位移校正的Dixon型水/脂肪分离MR成像 Download PDF

Info

Publication number
CN111164444B
CN111164444B CN201880062445.9A CN201880062445A CN111164444B CN 111164444 B CN111164444 B CN 111164444B CN 201880062445 A CN201880062445 A CN 201880062445A CN 111164444 B CN111164444 B CN 111164444B
Authority
CN
China
Prior art keywords
image
fat
echo
echo signals
magnetic field
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201880062445.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN111164444A (zh
Inventor
H·埃格斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN111164444A publication Critical patent/CN111164444A/zh
Application granted granted Critical
Publication of CN111164444B publication Critical patent/CN111164444B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/485—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy based on chemical shift information [CSI] or spectroscopic imaging, e.g. to acquire the spatial distributions of metabolites
    • 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
    • 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]
    • G01R33/5616—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 gradient refocusing, e.g. 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
    • G01R33/56527—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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
    • 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
    • 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
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201880062445.9A 2017-09-28 2018-09-26 具有经改进的脂肪位移校正的Dixon型水/脂肪分离MR成像 Active CN111164444B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17193731.1A EP3462204A1 (en) 2017-09-28 2017-09-28 Dixon-type water/fat separation mr imaging with improved fat shift correction
EP17193731.1 2017-09-28
PCT/EP2018/076035 WO2019063574A1 (en) 2017-09-28 2018-09-26 DIXON TYPE WATER / GREASE SEPARATION MAGNETIC RESONANCE IMAGING WITH ENHANCED FAT OFFSET CORRECTION

Publications (2)

Publication Number Publication Date
CN111164444A CN111164444A (zh) 2020-05-15
CN111164444B true CN111164444B (zh) 2023-04-04

Family

ID=59974326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880062445.9A Active CN111164444B (zh) 2017-09-28 2018-09-26 具有经改进的脂肪位移校正的Dixon型水/脂肪分离MR成像

Country Status (5)

Country Link
US (1) US11226385B2 (enExample)
EP (2) EP3462204A1 (enExample)
JP (1) JP7237066B2 (enExample)
CN (1) CN111164444B (enExample)
WO (1) WO2019063574A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11163027B2 (en) * 2019-06-05 2021-11-02 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and magnetic resonance imaging method
JP2023152518A (ja) * 2022-04-04 2023-10-17 キヤノンメディカルシステムズ株式会社 データ処理装置及び磁気共鳴イメージング装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103635824A (zh) * 2011-06-28 2014-03-12 皇家飞利浦有限公司 使用谱模型分离不同化学物类的mri
CN105103001A (zh) * 2013-04-03 2015-11-25 皇家飞利浦有限公司 使用高snr同相图像和较低snr至少部分地异相图像的dixon型水/脂肪分离mri
CN105556326A (zh) * 2013-09-16 2016-05-04 皇家飞利浦有限公司 具有dixon类型的水/脂肪分离的mr成像
CN105934683A (zh) * 2013-12-19 2016-09-07 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
CN107076819A (zh) * 2014-09-26 2017-08-18 皇家飞利浦有限公司 具有对流伪影的抑制的Dixon MR成像

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2578706T3 (es) 2008-04-17 2016-07-29 Advanced Mr Analytics Ab Mejora de la obtención de imágenes por resonancia magnética en relación a la corrección de artefactos de desplazamiento químico y de inhomogeneidad de intensidad
US8030923B2 (en) * 2009-03-31 2011-10-04 General Electric Company Method and system to perform phase correction for species separation in magnetic resonance imaging
US8787639B2 (en) 2010-03-03 2014-07-22 Hitachi Medical Corporation Magnetic resonance imaging device
US10234521B2 (en) * 2014-04-24 2019-03-19 Junmin LIU Systems and methods for field mapping in magnetic resonance imaging
US9880244B2 (en) * 2014-12-29 2018-01-30 General Electric Company Method and apparatus for separating chemical species in magnetic resonance imaging
US10534057B2 (en) * 2017-03-10 2020-01-14 Maria Drangova Method for dixon MRI, multi-contrast imaging and multi-parametric mapping with a single multi-echo gradient-recalled echo acquisition

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103635824A (zh) * 2011-06-28 2014-03-12 皇家飞利浦有限公司 使用谱模型分离不同化学物类的mri
CN105103001A (zh) * 2013-04-03 2015-11-25 皇家飞利浦有限公司 使用高snr同相图像和较低snr至少部分地异相图像的dixon型水/脂肪分离mri
CN105556326A (zh) * 2013-09-16 2016-05-04 皇家飞利浦有限公司 具有dixon类型的水/脂肪分离的mr成像
CN105934683A (zh) * 2013-12-19 2016-09-07 皇家飞利浦有限公司 具有对主磁场变化的估计的dixon型水/脂肪分离的mri
CN107076819A (zh) * 2014-09-26 2017-08-18 皇家飞利浦有限公司 具有对流伪影的抑制的Dixon MR成像

Also Published As

Publication number Publication date
EP3462204A1 (en) 2019-04-03
CN111164444A (zh) 2020-05-15
JP2020534916A (ja) 2020-12-03
US20200300948A1 (en) 2020-09-24
JP7237066B2 (ja) 2023-03-10
EP3688479B1 (en) 2024-02-14
EP3688479A1 (en) 2020-08-05
US11226385B2 (en) 2022-01-18
WO2019063574A1 (en) 2019-04-04

Similar Documents

Publication Publication Date Title
US10444315B2 (en) MRI with motion correction using navigators acquired using a dixon technique
CN103238082B (zh) 使用多点Dixon技术和低分辨率校准的MR成像
CN105308469B (zh) 一种mr成像方法、mr设备以及相关数据载体
CN110720047B (zh) 双回波Dixon型水/脂肪分离MR成像
CN111133327B (zh) Dixon型水/脂肪分离MR成像
CN109716155B (zh) 具有迪克逊型水/脂肪分离的mr成像
US20220057467A1 (en) Epi mr imaging with distortion correction
WO2011080693A1 (en) Water -fat separation in mri using partial echoes at different echo times
CN116940856A (zh) 狄克逊型水/脂肪分离mr成像
CN110246568A (zh) 具有谱脂肪抑制的并行mr成像
WO2018114554A1 (en) Dixon-type water/fat separation mr imaging
CN111164444B (zh) 具有经改进的脂肪位移校正的Dixon型水/脂肪分离MR成像
US12392851B2 (en) Dixon-type water/fat separation MR imaging
RU2773486C2 (ru) Магнитно-резонансная визуализация с разделением вода/жир методом диксона
EP4591084A1 (en) Mr imaging with water/fat/b0 mapping
CN114402214A (zh) 狄克逊型水/脂肪分离mr成像

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant