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Radiology, Vol 127, 259-264, Copyright © 1978 by Radiological Society of North America

ARTICLES

A computer-assisted three-dimensional treatment planning system

LE Reinstein, D McShan, BM Webber and AS Glicksman

The three-dimensional treatment planning system developed at the Rhode Island Hospital visualizes the spatial interrelationships of the radiation beam, the tumor, and the adjacent organs within the patient. It is possible to rotate and vary the scale of the display to better comprehend the extent of these structures. By viewing the display as if from along the radiation beam, one can design shaped treatment fields which best suit the three-dimensional nature of the disease. With this system, it is possible to reduce the volume of normal tissue which would typically be irradiated if two-dimensional treatment planning techniques and assumptions were employed.




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