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Imaging iron stores in the brain using magnetic resonance imaging.
For the last century, there has been great physiological interest in brain iron and its role in brain function and disease. It is well known that iron accumulates in the brain for people withExpand
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Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 1
SUMMARY: Susceptibility-weighted imaging (SWI) is a new neuroimaging technique, which uses tissue magnetic susceptibility differences to generate a unique contrast, different from that of spinExpand
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Susceptibility-Weighted Imaging: Technical Aspects and Clinical Applications, Part 2
SUMMARY: Susceptibility-weighted imaging (SWI) has continued to develop into a powerful clinical tool to visualize venous structures and iron in the brain and to study diverse pathologic conditions.Expand
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Susceptibility mapping as a means to visualize veins and quantify oxygen saturation.
PURPOSE To create an orientation-independent, 3D reconstruction of the veins in the brain using susceptibility mapping. MATERIALS AND METHODS High-resolution, high-pass filtered phase imagesExpand
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Clinical applications of neuroimaging with susceptibility-weighted imaging.
Susceptibility-weighted imaging (SWI) consists of using both magnitude and phase images from a high-resolution, three-dimensional, fully velocity compensated gradient-echo sequence. Postprocessing isExpand
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Susceptibility-weighted imaging to visualize blood products and improve tumor contrast in the study of brain masses.
PURPOSE To evaluate the diagnostic value of susceptibility-weighted imaging (SWI) for studying brain masses. MATERIALS AND METHODS SWI is a high-resolution, three-dimensional, fullyExpand
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Improving susceptibility mapping using a threshold-based K-space/image domain iterative reconstruction approach.
To improve susceptibility quantification, a threshold-based k-space/image domain iterative approach that uses geometric information from the susceptibility map itself as a constraint to overcome theExpand
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Limitations of calculating field distributions and magnetic susceptibilities in MRI using a Fourier based method.
A discrete Fourier based method for calculating field distributions and local magnetic susceptibility in MRI is carefully studied. Simulations suggest that the method based on discrete Green'sExpand
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Susceptibility mapping of air, bone, and calcium in the head.
PURPOSE To demonstrate the mapping of structures with high susceptibility values, such as the sinuses, bones and teeth, using short echo times. METHODS Four in vivo datasets were collected with aExpand
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Removing background phase variations in susceptibility-weighted imaging using a fast, forward-field calculation.
PURPOSE To estimate magnetic field variations induced from air-tissue interface geometry and remove their effects from susceptibility-weighted imaging (SWI) data. MATERIALS AND METHODS A FourierExpand
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