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Laser projection system for radiotherapy and CT-guided biopsy
1Department of Radiology, Kyoto University Hospital, Japan.
Journal of Computer Assisted Tomography
|November 1, 1990
Abstract:
We devised a laser projection system combined with a CT scanner and radiotherapy treatment planning computer (CT stimulator). The irradiation field can be projected over a range of 180 degrees on the skin of a patient lying on the CT couch. For CT-guided biopsy, the system can project the skin entry point and needle direction.