JP6404225B2 - 磁気共鳴イメージングの改善 - Google Patents

磁気共鳴イメージングの改善 Download PDF

Info

Publication number
JP6404225B2
JP6404225B2 JP2015544273A JP2015544273A JP6404225B2 JP 6404225 B2 JP6404225 B2 JP 6404225B2 JP 2015544273 A JP2015544273 A JP 2015544273A JP 2015544273 A JP2015544273 A JP 2015544273A JP 6404225 B2 JP6404225 B2 JP 6404225B2
Authority
JP
Japan
Prior art keywords
phase
species
measurement time
fat
time window
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.)
Expired - Fee Related
Application number
JP2015544273A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016501590A5 (enExample
JP2016501590A (ja
Inventor
ポール クラーク
ポール クラーク
Original Assignee
マグネパス ピーティーワイ エルティディー
マグネパス ピーティーワイ エルティディー
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
Priority claimed from AU2012905226A external-priority patent/AU2012905226A0/en
Application filed by マグネパス ピーティーワイ エルティディー, マグネパス ピーティーワイ エルティディー filed Critical マグネパス ピーティーワイ エルティディー
Publication of JP2016501590A publication Critical patent/JP2016501590A/ja
Publication of JP2016501590A5 publication Critical patent/JP2016501590A5/ja
Application granted granted Critical
Publication of JP6404225B2 publication Critical patent/JP6404225B2/ja
Expired - Fee Related 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
    • 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
    • G01R33/54—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]
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition

Landscapes

  • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2015544273A 2012-11-30 2013-11-27 磁気共鳴イメージングの改善 Expired - Fee Related JP6404225B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2012905226 2012-11-30
AU2012905226A AU2012905226A0 (en) 2012-11-30 Improvements to magnetic resonance imaging
PCT/AU2013/001379 WO2014082128A1 (en) 2012-11-30 2013-11-27 Improvements to magnetic resonance imaging

Publications (3)

Publication Number Publication Date
JP2016501590A JP2016501590A (ja) 2016-01-21
JP2016501590A5 JP2016501590A5 (enExample) 2018-06-14
JP6404225B2 true JP6404225B2 (ja) 2018-10-10

Family

ID=50826960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015544273A Expired - Fee Related JP6404225B2 (ja) 2012-11-30 2013-11-27 磁気共鳴イメージングの改善

Country Status (7)

Country Link
US (1) US10274565B2 (enExample)
EP (1) EP2925224A4 (enExample)
JP (1) JP6404225B2 (enExample)
KR (1) KR20150091095A (enExample)
CN (1) CN104902815B (enExample)
AU (1) AU2013351916A1 (enExample)
WO (1) WO2014082128A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150091095A (ko) * 2012-11-30 2015-08-07 마그네패스 피티와이 엘티디 자기 공명 영상에 대한 개선점들
EP3835803B1 (en) 2019-12-13 2024-03-27 Siemens Healthineers AG System and method for estimating a relative substance composition of a portion of a body of a patient
CN111239657B (zh) * 2020-01-20 2022-05-06 上海东软医疗科技有限公司 谱图的相位校正方法、装置及设备
US11275139B1 (en) * 2021-03-17 2022-03-15 Siemens Healthcare Gmbh System and method for automated identification of spectral characteristics
JP7680978B2 (ja) * 2022-03-14 2025-05-21 富士フイルム株式会社 磁気共鳴イメージング装置、画像処理装置、及び、信号分離方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3534669B2 (ja) * 2000-01-27 2004-06-07 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 磁気共鳴撮像装置
JP3976515B2 (ja) * 2001-04-11 2007-09-19 株式会社日立メディコ 磁気共鳴イメージング装置及び画像処理方法
JP3968352B2 (ja) * 2004-02-03 2007-08-29 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 Ｍｒｉ装置
JP2006149583A (ja) * 2004-11-26 2006-06-15 Kanazawa Univ データ処理装置、データ処理方法、そのデータ処理装置又はデータ処理方法に用いられるエコー画像データを得るための磁気共鳴撮像装置、及び、磁気共鳴撮像方法。
US7689265B2 (en) * 2005-10-19 2010-03-30 Siemens Medical Solutions Usa, Inc. System and method for the joint evaluation of multi phase MR marrow images
JP5072250B2 (ja) * 2006-04-04 2012-11-14 株式会社東芝 磁気共鳴イメージング装置
US7468605B2 (en) * 2006-04-25 2008-12-23 The Board Of Trustees Of The Leland Stanford Junior University Simultaneous chemical species separation and T2* measurement using MRI
TW200922528A (en) * 2007-11-20 2009-06-01 Univ Nat Taiwan Science Tech Method and apparatus for modifying ultrasonic tissue harmonic amplitude
US20110140696A1 (en) * 2009-12-15 2011-06-16 Huanzhou Yu System and method for quantitative species signal separation using mr imaging
KR101133977B1 (ko) * 2010-01-15 2012-04-05 광운대학교 산학협력단 물 및 지방 분리 자기 공명 영상 방법 및 장치
US8787639B2 (en) * 2010-03-03 2014-07-22 Hitachi Medical Corporation Magnetic resonance imaging device
US8373415B2 (en) 2010-04-15 2013-02-12 Wisconsin Alumni Research Foundation Method for separating magnetic resonance imaging signals using spectral distinction of species
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
EP2618731B1 (en) * 2010-09-20 2017-12-20 Koninklijke Philips N.V. Magnetic resonance imaging of chemical species
KR20150091095A (ko) * 2012-11-30 2015-08-07 마그네패스 피티와이 엘티디 자기 공명 영상에 대한 개선점들
WO2014176154A1 (en) * 2013-04-22 2014-10-30 General Electric Company System and method for image intensity bias estimation and tissue segmentation
WO2015028481A1 (en) * 2013-08-30 2015-03-05 Koninklijke Philips N.V. Dixon magnetic resonance imaging

Also Published As

Publication number Publication date
US20150285883A1 (en) 2015-10-08
KR20150091095A (ko) 2015-08-07
AU2013351916A1 (en) 2015-07-02
US10274565B2 (en) 2019-04-30
CN104902815A (zh) 2015-09-09
CN104902815B (zh) 2018-03-13
EP2925224A4 (en) 2017-07-19
JP2016501590A (ja) 2016-01-21
WO2014082128A1 (en) 2014-06-05
EP2925224A1 (en) 2015-10-07

Similar Documents

Publication Publication Date Title
Van Heeswijk et al. Free-breathing 3 T magnetic resonance T2-mapping of the heart
Garg et al. Role of cardiac T1 mapping and extracellular volume in the assessment of myocardial infarction
JP6404225B2 (ja) 磁気共鳴イメージングの改善
Ligabue et al. MR quantitative biomarkers of non-alcoholic fatty liver disease: technical evolutions and future trends
Gomberg et al. Method for Cortical Bone Structural Analysis From Magnetic Resonance Images1
Satkunasingham et al. Liver fat quantification: comparison of dual-echo and triple-echo chemical shift MRI to MR spectroscopy
US20170181656A1 (en) System and method for assessing tissue properties using magnetic resonance imaging
JP2016501590A5 (enExample)
WO2018210233A1 (en) Intravoxel incoherent motion mri 3-dimensional quantitative detection of tissue abnormality with improved data processing
Lugauer et al. Robust spectral denoising for water-fat separation in magnetic resonance imaging
Jerban et al. Quantitative magnetic resonance imaging of cortical and trabecular bone
Krishan et al. Non-invasive quantification of hepatic steatosis in living, related liver donors using dual-echo Dixon imaging and single-voxel proton spectroscopy
JP2017528276A (ja) 血流アーチファクトを抑制させたＤｉｘｏｎＭＲ撮像
Krämer et al. Segmentation and visualization of the human cranial bone by T2* approximation using ultra-short echo time (UTE) magnetic resonance imaging
US20100129292A1 (en) Method and apparatus for noninvasive quantitative detection of fibrosis in the heart
Sharafi et al. Volumetric multicomponent T1ρ relaxation mapping of the human liver under free breathing at 3T
Sanches-Rocha et al. Comparison between multi-echo T2* with and without fat saturation pulse for quantification of liver iron overload
Itatani et al. Clinical impact of 3-dimensional balanced turbo-field-echo magnetic resonance cholangiopancreatography at 3 T: prospective intraindividual comparison with 3-dimensional turbo-spin-echo magnetic resonance cholangiopancreatography
Barbieri et al. A method for measuring B0 field inhomogeneity using quantitative double‐echo in steady‐state
Gao et al. Sub-millimeter imaging of brain-free water for rapid volume assessment in atrophic brains
Kemp et al. Influence of fat on hepatic T2 relaxation time estimation: a preliminary investigation
Tipirneni‐Sajja et al. State‐of‐the‐Art Quantification of Liver Iron With MRI—Vendor Implementation and Available Tools
WO2020205788A1 (en) Systems, devices and methods for imaging cortical and trabecular bone
d’Assignies et al. Simultaneous assessment of liver volume and whole liver fat content: a step towards one-stop shop preoperative MRI protocol
US11341642B2 (en) Method and system for mapping a fraction of tissue concentrations in MRI

Legal Events

Date Code Title Description
RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20151015

RD01 Notification of change of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7426

Effective date: 20151026

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20151015

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20161107

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20171025

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20171031

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20180130

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20180330

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20180427

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180821

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180912

R150 Certificate of patent or registration of utility model

Ref document number: 6404225

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees