JPH09164125A - １回のスキャンで水画像と脂肪画像とを分離するのに必要な情報を収集するための方法 - Google Patents
１回のスキャンで水画像と脂肪画像とを分離するのに必要な情報を収集するための方法Info
- Publication number
- JPH09164125A JPH09164125A JP8216466A JP21646696A JPH09164125A JP H09164125 A JPH09164125 A JP H09164125A JP 8216466 A JP8216466 A JP 8216466A JP 21646696 A JP21646696 A JP 21646696A JP H09164125 A JPH09164125 A JP H09164125A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- gradient magnetic
- echo
- fat
- phase
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000002592 echocardiography Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 abstract description 11
- 239000003925 fat Substances 0.000 description 47
- RGCLLPNLLBQHPF-HJWRWDBZSA-N phosphamidon Chemical compound CCN(CC)C(=O)C(\Cl)=C(/C)OP(=O)(OC)OC RGCLLPNLLBQHPF-HJWRWDBZSA-N 0.000 description 13
- 238000000926 separation method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000003187 abdominal effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000000264 spin echo pulse sequence Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 241000283986 Lepus Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
- G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51653995A | 1995-08-18 | 1995-08-18 | |
| US516539 | 1995-08-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09164125A true JPH09164125A (ja) | 1997-06-24 |
| JPH09164125A5 JPH09164125A5 (enExample) | 2004-07-22 |
Family
ID=24056033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8216466A Pending JPH09164125A (ja) | 1995-08-18 | 1996-08-16 | １回のスキャンで水画像と脂肪画像とを分離するのに必要な情報を収集するための方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH09164125A (enExample) |
| GB (1) | GB2304419A (enExample) |
Cited By (3)
| 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 |
| JP2004073866A (ja) * | 2002-08-15 | 2004-03-11 | General Electric Co <Ge> | 脂肪／水分分離と脂肪を最小化する核磁気共鳴撮像システムと方法 |
| JP2013230370A (ja) * | 2012-04-27 | 2013-11-14 | Siemens Ag | 水／脂肪の画像識別方法及び装置ならびに水／脂肪の画像調整方法及び装置 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909119A (en) * | 1995-08-18 | 1999-06-01 | Toshiba America Mri, Inc. | Method and apparatus for providing separate fat and water MRI images in a single acquisition scan |
| JP3353826B2 (ja) * | 1999-06-24 | 2002-12-03 | ジーイー横河メディカルシステム株式会社 | 磁場不均一測定装置、位相補正装置および磁気共鳴撮像装置 |
| JP3510542B2 (ja) | 1999-10-22 | 2004-03-29 | 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 | 位相分布測定方法および装置、位相補正方法および装置、並びに、磁気共鳴撮像装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0263434A (ja) * | 1988-08-31 | 1990-03-02 | Toshiba Corp | 磁気共鳴イメージング装置 |
| JPH0479938A (ja) * | 1990-07-20 | 1992-03-13 | Toshiba Corp | 磁気共鳴信号収集方法 |
-
1996
- 1996-07-24 GB GB9615571A patent/GB2304419A/en not_active Withdrawn
- 1996-08-16 JP JP8216466A patent/JPH09164125A/ja active Pending
Cited By (4)
| 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 |
| JP2004073866A (ja) * | 2002-08-15 | 2004-03-11 | General Electric Co <Ge> | 脂肪／水分分離と脂肪を最小化する核磁気共鳴撮像システムと方法 |
| JP2013230370A (ja) * | 2012-04-27 | 2013-11-14 | Siemens Ag | 水／脂肪の画像識別方法及び装置ならびに水／脂肪の画像調整方法及び装置 |
| US9869736B2 (en) | 2012-04-27 | 2018-01-16 | Siemens Aktiengesellschaft | Water/fat image identification method and device, and harmonization method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2304419A (en) | 1997-03-19 |
| GB9615571D0 (en) | 1996-09-04 |
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