Dose Effect of Tissue Compensator for 6 MV X-Ray.
- Author:
Ho Jun LEE
1
;
Tae Jin CHOI
;
Ok Bae KIM
Author Information
1. Therapeutic Radiology, School of Medicine, Keimyung University, Dongsan Medical Center Taegu, Korea.
- Publication Type:Original Article
- Keywords:
3-dimensional compensator;
Tissue equivalent material;
Skin dose
- MeSH:
Skin
- From:Journal of the Korean Society for Therapeutic Radiology
1992;10(2):147-154
- CountryRepublic of Korea
- Language:English
-
Abstract:
It is ideal thing to compensate tissue deficit without skin contamination in curvatured irradiation field of high energy Photon beam. The 3-dimensional compensating technique utilizing tissue equivalent materials to ensure an adequate dose distribution and skin sparing effect was described. This compensator was made of paraffin(70%) and stearin wax (30%) compound. The parameters for evaluation of the effect on skin dose in application of compensator were considered in the size of the field, the thickness of the compensator and the source-to-axis distance. The results are as follows; the skin doses were not changed even though application of the compensator, but depended on the field size and the source-to-axis distance, and the skin doses were only slightly changed within 1% relative errors as increasing the thickness of the compensator in these experiments.
