Better knowledge of CT number values and their uncertainties can be applied to improve heavy ion treatment planning. We developed a novel method to calculate CT numbers for a computed tomography (CT) scanner using the Monte Carlo (MC) code, BEAMnrc/EGSnrc. To generate the initial beam shape and spectra we conducted full simulations of an X-ray tube, filters and beam shapers for a Siemens Emotion CT. The simulation output files were analyzed to calculate projections of a phantom with inserts. A simple reconstruction algorithm (FBP using a Ram-Lak filter) was applied to calculate the pixel values, which represent an attenuation coefficient, normalized in such a way to give zero for water (Hounsfield unit (HU)). Measured and Monte Carlo calcul...
In Monte Carlo simulation of CT dose, many input parameters are required (e.g. bowtie filter propert...
International audienceThe constant increase of computed tomography (CT) exams and their major contri...
International audienceThe constant increase of computed tomography (CT) exams and their major contri...
Better knowledge of CT number values and their uncertainties can be applied to improve heavy ion tre...
Abstract. Computed tomography has advanced very rapidly, resulting in a rapid increase in the number...
This paper discusses the simulation of contemporary computed tomography (CT) scanners using Monte Ca...
Purpose: Most treatment planning system (TPS) used in carbon-ion radiotherapy (CIRT) facilities are ...
In the conventional procedure for accurate Monte Carlo simulation of radiotherapy, a CT number given...
The doses of patients on X-ray CT imaging are higher than other general X-ray diagnoses. On the view...
アブストラクトProposeWe have developed a Monte Carlo simulation software to calculate dose distributions fo...
[[abstract]]©2007 AIP - Purpose: Most of Monte Carlo based methods estimating radiation dose in comp...
The patient dose incurred from diagnostic procedures during advanced radiotherapy has become an impo...
The conversion of computed tomography (CT) numbers into material composition and mass density data i...
The conversion of computed tomography (CT) numbers into material composition and mass density data i...
In Monte Carlo simulation of CT dose, many input parameters are required (e.g. bowtie filter propert...
In Monte Carlo simulation of CT dose, many input parameters are required (e.g. bowtie filter propert...
International audienceThe constant increase of computed tomography (CT) exams and their major contri...
International audienceThe constant increase of computed tomography (CT) exams and their major contri...
Better knowledge of CT number values and their uncertainties can be applied to improve heavy ion tre...
Abstract. Computed tomography has advanced very rapidly, resulting in a rapid increase in the number...
This paper discusses the simulation of contemporary computed tomography (CT) scanners using Monte Ca...
Purpose: Most treatment planning system (TPS) used in carbon-ion radiotherapy (CIRT) facilities are ...
In the conventional procedure for accurate Monte Carlo simulation of radiotherapy, a CT number given...
The doses of patients on X-ray CT imaging are higher than other general X-ray diagnoses. On the view...
アブストラクトProposeWe have developed a Monte Carlo simulation software to calculate dose distributions fo...
[[abstract]]©2007 AIP - Purpose: Most of Monte Carlo based methods estimating radiation dose in comp...
The patient dose incurred from diagnostic procedures during advanced radiotherapy has become an impo...
The conversion of computed tomography (CT) numbers into material composition and mass density data i...
The conversion of computed tomography (CT) numbers into material composition and mass density data i...
In Monte Carlo simulation of CT dose, many input parameters are required (e.g. bowtie filter propert...
In Monte Carlo simulation of CT dose, many input parameters are required (e.g. bowtie filter propert...
International audienceThe constant increase of computed tomography (CT) exams and their major contri...
International audienceThe constant increase of computed tomography (CT) exams and their major contri...