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Proceedings Paper

MRI simulator: a teaching tool for radiology
Author(s): Debra A. Rundle; Sheel Kishore; Sridhar B. Seshadri; Felix W. Wehrli
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Paper Abstract

The increasing use of magnetic resonance imaging (MRI) as a clinical modality has put an enormous burden on medical institutions to cost-effectively teach Mill scanning techniques to technologists and physicians. Since MRI scanner time is a scarce resource, it would be ideal if the teaching could be effectively performed off-line. In order to meet this goal, the Radiology Department has designed and developed a Magnetic Resonance Imaging Simulator. The Simulator in its current implementation mimics the General Electric Signa scanner's user-interface for image acquisition. The design is general enough to be applied to other MRI scanners. One unique feature of the simulator is its incorporation of an image-synthesis module which permits the user to derive images for any arbitrary combination of pulsing parameters for spin-echo, gradient-echo, and inversion recovery pulse sequences. These images are computed in five seconds. The development platform chosen is a standard Apple Macintosh-Il computer with no specialized hardware peripherals. The user-interface is implemented in HyperCard. All other software development including synthesis and display functions are implemented under the MPW 'C' environment. The scan parameters, demographics and images are tracked using an Oracle database. Images are currently stored on magnetic disk but could be stored on optical media with minimal effort.

Paper Details

Date Published: 1 August 1990
PDF: 6 pages
Proc. SPIE 1234, Medical Imaging IV: PACS Systems Design and Evaluation, (1 August 1990); doi: 10.1117/12.18943
Show Author Affiliations
Debra A. Rundle, Hospital of the Univ. of Pennsylvania (United States)
Sheel Kishore, Hospital of the Univ. of Pennsylvania (United States)
Sridhar B. Seshadri, Hospital of the Univ. of Pennsylvania (United States)
Felix W. Wehrli, Hospital of the Univ. of Pennsylvania (United States)


Published in SPIE Proceedings Vol. 1234:
Medical Imaging IV: PACS Systems Design and Evaluation
Samuel J. Dwyer; R. Gilbert Jost, Editor(s)

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