Geant4 based dosimetry evaluation for gamma knife using different phantom materials
Communications Faculty of Sciences University of Ankara Series A2-A3: Physical Sciences and Engineering, cilt.63, sa.2, ss.118-126, 2021 (TRDizin)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 63 Sayı: 2
- Basım Tarihi: 2021
- Doi Numarası: 10.33769/aupse.956400
- Dergi Adı: Communications Faculty of Sciences University of Ankara Series A2-A3: Physical Sciences and Engineering
- Derginin Tarandığı İndeksler: TR DİZİN (ULAKBİM)
- Sayfa Sayıları: ss.118-126
- Açık Arşiv Koleksiyonu: AVESİS Açık Erişim Koleksiyonu
- Ankara Üniversitesi Adresli: Evet
Özet
This study examines the dose difference for a variety of phantom materials that can be employed for “Leksell Gamma” Knifes. These materials resemble human tissue by not including the skull bone. Geant4 was utilized in the analysis of the dose distributions for collimator helmet sizes of 4mm and 8mm. The phantom is illustrated with a radius of 80mm. Water, brain, Poly-methyl methacrylate (PMMA) and polystyrene were being considered as the main material types. Results proved that there is no considerable differences for radiation dosimetries depending on the material types. In addition, the polystyrene and PMMA (phantom is also quite appropriate in terms of evaluating the dose profiles of the Gamma Knife unit.