METHODS
CTV, PTV, lung, heart, contralateral breast and LAD were contoured
on 20 patients referred for breast radiotherapy. Treatment
planning were made as conventional technique (2F-C),
two field non-coplanar conformal technical (2F-NC), 3 field
coplanar conformal technique (3F-C) at Varian Eclipse TPS.
Critical doses were evaluated at DVH. Conformity and homogeneity
index was calculated. Comparison of three groups
made by Kruskal-Wallis test, two separate groups by Mann-
Whitney U test.
RESULTS
Statistically significant differences in favor of 3F-C were detected
on hearth, LAD, contralateral breast doses. Homogeneity
and conformity index was higher for all patients in 3F-C
technique.
CONCLUSION
3F-C technique is adequate for dosimetric aspects and can be
considered in Turkish women especially have coronary artery
disease.
Keywords: Dosimetric comparison; newest techniques; breast radiotherapy
