کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10732684 | 1043685 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Verifikation des VEF-Strahlerkopfmodells für Photonen zur Dosisberechnung mit dem Voxel-Monte-Carlo-Algorithmus
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی پزشکی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Verifikation des VEF-Strahlerkopfmodells für Photonen zur Dosisberechnung mit dem Voxel-Monte-Carlo-Algorithmus Verifikation des VEF-Strahlerkopfmodells für Photonen zur Dosisberechnung mit dem Voxel-Monte-Carlo-Algorithmus](/preview/png/10732684.png)
چکیده انگلیسی
The VEF linac head model (VEF, virtual energy fluence) was developed at the University of Tübingen to determine the primary fluence for calculations of dose distributions in patients by the Voxel-Monte-Carlo-Algorithm (XVMC). This analytical model can be fitted to any therapy accelerator head by measuring only a few basic dose data; therefore, time-consuming Monte-Carlo simulations of the linac head become unnecessary. The aim of the present study was the verification of the VEF model by means of water-phantom measurements, as well as the comparison of this system with a common analytical linac head model of a commercial planning system (TMS, formerly HELAX or MDS Nordion, respectively). The results show that both the VEF and the TMS models can very well simulate the primary fluence. However, the VEF model proved superior in the simulations of scattered radiation and in the calculations of strongly irregular MLC fields. Thus, an accurate and clinically practicable tool for the determination of the primary fluence for Monte-Carlo-Simulations with photons was established, especially for the use in IMRT planning.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Zeitschrift für Medizinische Physik - Volume 15, Issue 2, 2005, Pages 115-121
Journal: Zeitschrift für Medizinische Physik - Volume 15, Issue 2, 2005, Pages 115-121
نویسندگان
Stephan Kriesen, Matthias Fippel,