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A comprehensive radiotherapy planning system implemented in Fortran on a small interactive computer

Department of Medical Physics and Department of Radiotherapy, Western General Hospital, Edinburgh

A suite of Fortran programs for carrying out the various dose computational aspects of radiotherapy has been developed on an enhanced RAD8 computing system. The hardware configuration of the computer is described and the main features of the programs in the suite are discussed. They include:

(a) beam data input systems for use with linear accelerators and cobalt units;

(b) static and rotational teletherapy planning, with computer optimization in the static planning;

(c) irregular field calculations with isodose visualization;

(d) interstitial calculations including routines which will reconstruct a radium needle implant in three dimensions in addition to presenting the isodose distribution in any desired plane.

The problems of implementing the programs on another computer system are discussed.

Received for publication April 1, 1976. Revision received August 1, 1976.