Journal of magnetic resonance imaging : JMRI
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To demonstrate the feasibility of whole-body magnetization transfer (MT) contrast imaging. ⋯ Our preliminary data indicate that MT contrast in whole-body MRI is feasible, and may be useful for rapid whole-body assessment of diseases that exhibit high contrast in MT imaging, such as MS and muscular disorders.
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J Magn Reson Imaging · Nov 2006
Respiratory-triggered MRCP applying parallel acquisition techniques.
To evaluate the influence of parallel imaging on the image quality of respiratory triggered magnetic resonance cholangiopancreatography (MRCP). ⋯ The application of parallel imaging for respiratory triggered MRCP significantly reduces the acquisition time without relevant influence on image quality.
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J Magn Reson Imaging · Nov 2006
Brain hydrodynamics study by phase-contrast magnetic resonance imaging and transcranial color doppler.
To evaluate the contributions of phase-contrast magnetic resonance (PCMR) and transcranial color Doppler (TCCD) imaging in the investigation of cerebral hydrodynamics. ⋯ PCMR imaging provides complementary information to TCCD to assess various intracranial parameters such as instantaneous velocities, blood and CSF flow distributions, volume variation, or pressure regulation mechanisms during cardiac cycles.
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J Magn Reson Imaging · Nov 2006
Automated perfusion-weighted MRI using localized arterial input functions.
To investigate the utility of an automated perfusion-weighted MRI (PWI) method for estimating cerebral blood flow (CBF) based on localized arterial input functions (AIFs) as compared to the standard method of manual global AIF selection, which is prone to deconvolution errors due to the effects of delay and dispersion of the contrast bolus. ⋯ Automated CBF calculation using local AIFs is feasible and appears to produce more useful CBF maps.
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J Magn Reson Imaging · Nov 2006
Rapid fat suppression in MRI of the breast with short binomial pulses.
To develop a faster method of fat suppression for use in dynamic contrast enhanced MRI of the breast. ⋯ Rapid binomial pulses can be used for dynamic contrast enhanced breast MRI with excitation times significantly shorter than currently used fat suppression pulses. Shorter excitation time allows more rapid imaging, allowing greater temporal and spatial resolution for characterization of breast lesions.