Improved method for the design of tissue compensators

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Abstract
A program, WBEAM, is described which calculates dose distributions in planes perpendicular to the beam axis, taking into field shape and patient contor. WBEAM can be used to design compensators which when placed in the beam will produce uniform dose distribution in the plane of calculation. The program was tested in 3 different situations: a 30 .times. 30 cm field with a flat contour, a mantle field with a flat contor, a mantile field with a human-like contor. The program performs as designed: the dose distributions are accurate, and the compensators flatten the radiation beams to the specified limits.
Funding Information
  • Ontario Cancer Treatment and Research Foundation

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