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Journal articleReichert ILH, Robson MD, Gatehouse PD, et al., 2005,
Magnetic resonance imaging of cortical bone with ultrashort TE pulse sequences
, MAGNETIC RESONANCE IMAGING, Vol: 23, Pages: 611-618, ISSN: 0730-725X- Cite
- Citations: 142
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Journal articleBangerter NK, Hargreaves BA, Vasanawala SS, et al., 2004,
Analysis of multiple‐acquisition SSFP
, Magnetic Resonance in Medicine, Vol: 51, Pages: 1038-1047, ISSN: 0740-3194<jats:title>Abstract</jats:title><jats:p>Refocused steady‐state free precession (SSFP) is limited by its high sensitivity to local field variation, particularly at high field strengths or the long repetition times (TRs) necessary for high resolution. Several methods have been proposed to reduce SSFP banding artifact by combining multiple phase‐cycled SSFP acquisitions, each differing in how individual signal magnitudes and phases are combined. These include maximum‐intensity SSFP (MI‐SSFP) and complex‐sum SSFP (CS‐SSFP). The reduction in SSFP banding is accompanied by a loss in signal‐to‐noise ratio (SNR) efficiency. In this work a general framework for analyzing banding artifact reduction, contrast, and SNR of any multiple‐acquisition SSFP combination method is presented. A new sum‐of‐squares method is proposed, and a comparison is performed between each of the combination schemes. The sum‐of‐squares SSFP technique (SOS‐SSFP) delivers both robust banding artifact reduction and higher SNR efficiency than other multiple‐acquisition techniques, while preserving SSFP contrast. Magn Reson Med 51:1038–1047, 2004. © 2004 Wiley‐Liss, Inc.</jats:p>
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Journal articleChappell KE, Robson MD, Stonebridge-Foster A, et al., 2004,
Magic angle effects in MR neurography
, AMERICAN JOURNAL OF NEURORADIOLOGY, Vol: 25, Pages: 431-440, ISSN: 0195-6108- Cite
- Citations: 136
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Journal articleReichert ILH, Benjamin M, Gatehouse PD, et al., 2004,
Magnetic resonance imaging of periosteum with ultrashort TE pulse sequences
, JOURNAL OF MAGNETIC RESONANCE IMAGING, Vol: 19, Pages: 99-107, ISSN: 1053-1807- Author Web Link
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- Citations: 38
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Journal articleMcRobbie DW, Pritchard S, Quest RA, 2003,
Studies of the human oropharyngeal airspaces using magnetic resonance imaging.: 1.: Validation of a three-dimensional MRI method for producing <i>ex vivo</i> virtual and physical casts of the oropharyngeal airways during inspiration
, JOURNAL OF AEROSOL MEDICINE-DEPOSITION CLEARANCE AND EFFECTS IN THE LUNG, Vol: 16, Pages: 401-415, ISSN: 0894-2684- Author Web Link
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- Citations: 45
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Journal articleChappell KE, Patel N, Gatehouse PD, et al., 2003,
Magnetic resonance imaging of the liver with ultrashort TE (UTE) pulse sequences
, JOURNAL OF MAGNETIC RESONANCE IMAGING, Vol: 18, Pages: 709-713, ISSN: 1053-1807- Author Web Link
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- Citations: 40
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Journal articleMorrell MJ, McRobbie DW, Quest RA, et al., 2003,
Changes in brain morphology associated with obstructive sleep apnea
, SLEEP MEDICINE, Vol: 4, Pages: 451-454, ISSN: 1389-9457- Cite
- Citations: 242
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Journal articleMort DJ, Perry RJ, Mannan SK, et al., 2003,
Differential cortical activation during voluntary and reflexive saccades in man
, NEUROIMAGE, Vol: 18, Pages: 231-246, ISSN: 1053-8119- Author Web Link
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- Citations: 142
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Journal articleMcRobbie DW, Quest RA, 2002,
Effectiveness and relevance of MR acceptance testing: results of an 8 year audit
, BRITISH JOURNAL OF RADIOLOGY, Vol: 75, Pages: 523-531, ISSN: 0007-1285- Author Web Link
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- Citations: 18
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Contact
For enquiries about the MRI Physics Collective, please contact:
Mary Finnegan
Senior MR Physicist at the Imperial College Healthcare NHS Trust
Pete Lally
Assistant Professor in Magnetic Resonance (MR) Physics at Imperial College
Jan Sedlacik
MR Physicist at the Robert Steiner MR Unit, Hammersmith Hospital Campus