JP2006524090A - 改良型mrダクトグラフィ - Google Patents
改良型mrダクトグラフィ Download PDFInfo
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- JP2006524090A JP2006524090A JP2006506884A JP2006506884A JP2006524090A JP 2006524090 A JP2006524090 A JP 2006524090A JP 2006506884 A JP2006506884 A JP 2006506884A JP 2006506884 A JP2006506884 A JP 2006506884A JP 2006524090 A JP2006524090 A JP 2006524090A
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- coil
- magnetic resonance
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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
- G01R33/58—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
- G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency
-
- 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
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
-
- 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
- G01R33/5604—Microscopy; Zooming
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (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)
Abstract
Description
Claims (3)
- 磁気共鳴イメージングシステム及び脂肪抑制T2強調ターボスピンエコーシーケンスと、更にボリュームから信号を受信するためのコイル構成とを用いて該ボリュームから磁気共鳴データを収集するよう構成される磁気共鳴システムであって、
前記コイル構成は、3.7センチメートル乃至5.7センチメートルの直径の小さいコイルと、更にボディコイルとを有し、
前記3.7センチメートル乃至5.7センチメートルの直径の小さいコイルは、前記ボリュームからの前記磁気共鳴信号を受信するために使用され、
前記システムは更に、
前記ボディコイルから収集された第1の補助測定と、前記3.7センチメートル乃至5.7センチメートルの直径を有する小さいコイルから収集された第2の補助測定とから計算される補助値を用いて、前記3.7センチメートル乃至5.7センチメートルの直径を有する小さいコイルから受信された前記磁気共鳴データを補正するよう構成されることを特徴とする磁気共鳴システム。 - 前記小さいコイルは、4.2センチメートル乃至5.2センチメートルの直径を有することを特徴とする請求項1記載の磁気共鳴システム。
- 磁気共鳴イメージングシステム及び脂肪抑制T2強調ターボスピンエコーシーケンスと、更にボリュームから信号を受信するためのコイル構成とを用いて該ボリュームから磁気共鳴データを収集する方法であって、
前記コイル構成は、3.7センチメートル乃至5.7センチメートルの直径の小さいコイルと、更にボディコイルとを有し、
前記3.7センチメートル乃至5.7センチメートルの直径の小さいコイルは、前記ボリュームからの前記磁気共鳴信号を受信するために使用され、
前記方法は更に、
前記ボディコイルから収集された第1の補助測定と、前記3.7センチメートル乃至5.7センチメートルの直径を有する小さいコイルから収集された第2の補助測定とから計算される補助値を用いて、前記3.7センチメートル乃至5.7センチメートルの直径を有する小さいコイルから受信された前記磁気共鳴データを補正することを有することを特徴とする方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03101147 | 2003-04-24 | ||
PCT/IB2004/050494 WO2004095045A1 (en) | 2003-04-24 | 2004-04-23 | Improved mr ductography |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006524090A true JP2006524090A (ja) | 2006-10-26 |
Family
ID=33305807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006506884A Pending JP2006524090A (ja) | 2003-04-24 | 2004-04-23 | 改良型mrダクトグラフィ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7208953B2 (ja) |
EP (1) | EP1620743A1 (ja) |
JP (1) | JP2006524090A (ja) |
WO (1) | WO2004095045A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006030743A1 (ja) * | 2004-09-13 | 2006-03-23 | Keio University | 試料中のプロトン性溶媒量を局所的に測定する方法、装置 |
JP2007075387A (ja) | 2005-09-15 | 2007-03-29 | Ge Medical Systems Global Technology Co Llc | 息止めmr撮影方法、mri装置、息止め断層像撮影方法および断層像撮影装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0856931A (ja) * | 1994-08-03 | 1996-03-05 | Siemens Ag | 相異なって強調される少なくとも2つの画像を生成するための核スピントモグラフィの作動方法 |
JP2000005142A (ja) * | 1998-06-25 | 2000-01-11 | Hitachi Medical Corp | 磁気共鳴イメージング方法及び装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0695947B1 (de) | 1994-08-03 | 2001-11-14 | Philips Patentverwaltung GmbH | MR-Verfahren zur Bestimmung der Kernmagnetisierungsverteilung mit einer Oberflächenspulen-Anordnung |
US5646530A (en) * | 1995-09-19 | 1997-07-08 | Diagnostic Instruments, Inc. | Surface coil for high resolution imaging using a magnetic resonance imaging apparatus |
-
2004
- 2004-04-23 EP EP04729175A patent/EP1620743A1/en not_active Withdrawn
- 2004-04-23 JP JP2006506884A patent/JP2006524090A/ja active Pending
- 2004-04-23 US US10/554,340 patent/US7208953B2/en not_active Expired - Fee Related
- 2004-04-23 WO PCT/IB2004/050494 patent/WO2004095045A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0856931A (ja) * | 1994-08-03 | 1996-03-05 | Siemens Ag | 相異なって強調される少なくとも2つの画像を生成するための核スピントモグラフィの作動方法 |
JP2000005142A (ja) * | 1998-06-25 | 2000-01-11 | Hitachi Medical Corp | 磁気共鳴イメージング方法及び装置 |
Non-Patent Citations (3)
Title |
---|
JPN6009061862, 小西淳也, ""Microscopy coilを用いた高分解能関節MRIの撮像方法についての検討−CLEAR法の有用性について−"", 日本医学放射線学会雑誌, 20030225, Vol.63,No.2, p.S196, JP, 日本医学放射線学会 * |
JPN6009061864, Susan Greenstein Orel, ""Suspicious Breast Lesions:MR Imaging with Radiologic−Pathologic Correlation"", Radiology, 199402, Volume 190, p.485−493 * |
JPN6010054571, 印牧義英, ""MR mammary ductgraphy (MRMD)の開発と初期臨床経験の報告 "", 日本医学放射線学会雑誌, 20030225, 第63巻、第2号、臨時増刊号, S148, JP, 社団法人 日本医学放射線学会 * |
Also Published As
Publication number | Publication date |
---|---|
EP1620743A1 (en) | 2006-02-01 |
US7208953B2 (en) | 2007-04-24 |
US20060192555A1 (en) | 2006-08-31 |
WO2004095045A1 (en) | 2004-11-04 |
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