Zobrazeno 1 - 10
of 79
pro vyhledávání: '"E.J. Born"'
Publikováno v:
Medical Journal of Dr. D.Y. Patil University, Vol 10, Iss 1, Pp 17-20 (2017)
Background: In a number of indigenous villages in Orissa, India, the possibility was explored that teaching of a new definition of health, the Meikirch model, might improve health behavior of inhabitants beyond what can be achieved by ordinary teachi
Publikováno v:
Physics in Medicine and Biology. 58:2027-2044
Although the Monte Carlo (MC) method allows accurate dose calculation for proton radiotherapy, its usage is limited due to long computing time. In order to gain efficiency, a new macro MC (MMC) technique for proton dose calculations has been develope
Publikováno v:
Medical Physics. 38:5311-5320
Recently, the new high definition multileaf collimator (HD120 MLC) was commercialized by Varian Medical Systems providing high resolution in the center section of the treatment field. The aim of this work is to investigate the characteristics of the
Publikováno v:
Physics in Medicine and Biology. 55:4577-4588
The electron Monte Carlo (eMC) dose calculation algorithm in Eclipse (Varian Medical Systems) is based on the macro MC method and is able to predict dose distributions for high energy electron beams with high accuracy. However, there are limitations
Autor:
M. Pachoud, F. Hasenbalg, Giorgia Nicolini, K. Münch-Berndl, H. Schiefer, V. Vallet, Michael K. Fix, L. Cozzi, Giovanna Dipasquale, Jakob Roth, Antonella Fogliata, B. Krusche, B. Reiner, E.J. Born, B. Schnekenburger, W. W. Seelentag
Publikováno v:
Medical Physics. 37:4424-4431
Purpose: In 2008, a national intensity modulated radiation therapy (IMRT) dosimetry intercomparison was carried out for all 23 radiation oncology institutions in Switzerland. It was the aim to check the treatment chain focused on the planning, dose c
Publikováno v:
Medical Physics. 35:1521-1531
BEAMnrc, a code for simulating medical linear accelerators based on EGSnrc, has been bench-marked and used extensively in the scientific literature and is therefore often considered to be the gold standard for Monte Carlo simulations for radiotherapy
Publikováno v:
Physics in Medicine and Biology. 52:N425-N437
Currently photon Monte Carlo treatment planning (MCTP) for a patient stored in the patient database of a treatment planning system (TPS) can usually only be performed using a cumbersome multi-step procedure where many user interactions are needed. Th
Publikováno v:
Physics in Medicine and Biology. 52:3679-3691
The purpose of this work was to study and quantify the differences in dose distributions computed with some of the newest dose calculation algorithms available in commercial planning systems. The study was done for clinical cases originally calculate
Autor:
Ludger Kemmerling, D. Vetterli, Richard H. Greiner, Frank Behrensmeier, Daniel M. Aebersold, Sandrine Thalmann, R. Mini, E.J. Born
Publikováno v:
Radiotherapy and Oncology. 79:101-108
Background and purpose Daily use of conventional electronic portal imaging devices (EPID) for organ tracking is limited due to the relatively high dose required for high quality image acquisition. We studied the use of a novel dose saving acquisition
Publikováno v:
Zeitschrift für Medizinische Physik. 11:163-170
Purpose Study of behavior and influence of a multileaf collimator (MLC) on dose calculation, verification, and portal energy spectra in the case of intensity-modulated fields obtained with a step-and-shoot or a dynamic technique. Methods The 80-leaf