A micro-computer based CT and digital fluorography system for radiotherapy simulators.
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Abstract
A low cost system designed to produce low resolution CT images from a radiotherapy treatment simulator is described. The system is based upon a standard micro-computer and operates using the simulator's image intensifier as the CT detector. The resulting images are intended to supply cross-sectional anatomical information appropriate for the application of inhomogeneity corrections to treatment plans for megavoltage radiotherapy of the thorax. Options for digital fluorography and hold-last-frame fluoroscopy are also described. Examples of clinical images are presented.
Medical subject headings
- Fluoroscopy
- Microcomputers
- Radiographic Image Enhancement
- Radiotherapy Planning, Computer-Assisted
- Tomography, X-Ray Computed