Abstract
The Heyman packing technique is the most useful intracavitary method of irradiating endometrial cancer. The main disadvantage of the classical Heyman technique is the unnecessary exposure of personnel to radiation. Substitution of radium by cesium-137 permits afterloading. The endometrial cavity can be packed with hollow tubes with bulbous ends dimensionally similar to Heyman applicators, but able to be afterloaded with miniaturized sources of cesium-137. Afterloading reduces exposure of personnel to radiation, allows more accurate placement of radioactive material, and permits better teaching of the procedure.
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