Author/Authors :
Y. C. Cheung، نويسنده , , Peter K. N. Yu، نويسنده , , E. C. M. Young، نويسنده , , C. L. Chan، نويسنده , , M. F. Ng، نويسنده , , Francis N. F. Tang، نويسنده , , Tony P. Y. Wong، نويسنده ,
Abstract :
The steep dose gradient around 192Ir brachytherapy wire implants is predicted by the EGS4 (PRESTA version) Monte Carlo simulation. When considering radiation absorbion regions close to the wire source, the accurate dose distribution cannot be calculated by the GE Target II Sun Sparc treatment-planning system. Experiments using GafChromicTM film have been performed to prove the validity of the EGS4 user code when calculating the dose close to the wire source in a low energy range.
