Radiology ResearchNeuro/MRI/MRS - Resources
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3D brain MRI reconstruction
In May 2002, with the award of $1.8M from the Commonwealth of Virginia Technology Research Fund to establish a Center for In-Vivo Hyperpolarized Gas MR Imaging, a 1.5 T Siemens Vision system was upgraded to a Siemens Sonata platform.
The Sonata system consists of a 1.5-Tesla actively shielded super-conducting magnet (2ppm homogeneity over a 50cm DSV, 60cm clear bore with all permanent coils installed); high-performance, whole-body gradient system (40 mT/m peak gradient strength, 0.2ms minimum rise time from zero to full strength); digital RF system with eight independent channels; circularly-polarized body, head, knee, spine phased-array, body phase-array, and flexible RF coils; patient physiological monitoring and gating system (ECG, respiratory, and pulse); pulse sequence software for spin-echo, gradient-echo, magnetization-prepared gradient-echo, fast spin-echo, GRASE, time-of-flight, phase contrast and contrast-enhanced MR angiography, echo-planar, real-time cardiac, parallel acquisition and multinuclear spectroscopy techniques; post-processing and analysis software for 3D imaging, cardiac imaging, MR angiography, flow quantification, functional imaging, and spectroscopy; dedicated computer workstation for data post-processing and analysis, and; a laser camera. This system is dedicated full-time to research projects.
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1.5 T Siemens Sonata