| Title |
Monte Carlo simulation of a brachytherapy dose distribution in a voxelized human head phantom / |
| Translation of Title |
Brachiterapijos dozių pasiskirstymo vokseliniame žmogaus galvos fantome modeliavimas Monte Karlo metodu. |
| Authors |
Ševčik, Aleksandras |
| Full Text |
|
| Pages |
74 |
| Keywords [eng] |
Monte Carlo ; simulation ; modelling ; brachytherapy ; anthropomorphic head phantom |
| Abstract [eng] |
Monte Carlo code was used to simulate the dose distribution during the head-related brachytherapy procedures. The simulation was performed with Fluka code and a voxel-based anthropomorphic head phantom taken from original Zubal Phantom which contains 25 anatomical regions with medium specified to be equivalent to the different tissues accordingly ICRU reports. The results show that heterogeneous tissues with different densities and compositions such as bone, an air in the mouth cavity and sinuses, and other created the fluctuations and influenced the dose absorption. It may be stated that in the cases where the source is placed or travel near the tissues of very different density such as bone or air-filled mouth cavity or sinus region, it may result in distortion of dose distribution and contribute to the higher overall uncertainty if compared with the doses obtained using standard treatment planning system. The results of performed simulations are expected to be used in the clinical practice for the analysis and verification of dose treatment plans in order to achieve more precise brachytherapy treatment and reduce the dose uncertainties. |
| Dissertation Institution |
Kauno technologijos universitetas. |
| Type |
Master thesis |
| Language |
English |
| Publication date |
2017 |
