Results 41 to 50 of about 2,643 (174)

4089 Clinical Implementation of Monte Carlo Dose Calculation for Patient-Specific Radiotherapy Quality Assurance

open access: yesJournal of Clinical and Translational Science, 2020
OBJECTIVES/GOALS: The Monte Carlo dose calculation method is often considered the “gold standard” for patient dose calculations and can be as radiation dose measurements.
Holly Marie Parenica   +6 more
doaj   +1 more source

GEANT4 application for the simulation of the head of a siemens primus linac [PDF]

open access: yes, 2010
The Monte Carlo simulation of the head of a Siemens Primus Linac used at Virgen Macarena Hospital (Sevilla, Spain) has been performed using the code GEANT4 [1-2], version 9.2.
Cortés Giraldo, Miguel Antonio   +2 more
core   +1 more source

A Monte Carlo study of organ and effective doses of cone beam computed tomography (CBCT) scans in radiotherapy [PDF]

open access: yes, 2017
Cone-beam CT (CBCT) scans utilized for image guided radiation therapy (IGRT) procedures have become an essential part of radiotherapy. The aim of this study was to assess organ and effective doses resulting from new CBCT scan protocols (head, thorax, and
Abuhaimed, Abdullah   +2 more
core   +1 more source

A GPU implementation of EGSnrc's Monte Carlo photon transport for imaging applications [PDF]

open access: yesPhysics in Medicine and Biology, 2011
EGSnrc is a well-known Monte Carlo simulation package for coupled electron-photon transport that is widely used in medical physics application. This paper proposes a parallel implementation of the photon transport mechanism of EGSnrc for graphics processing units (GPUs) using NVIDIA's Compute Unified Device Architecture (CUDA).
Jonas, Lippuner, Idris A, Elbakri
openaire   +2 more sources

Development of a pregnant woman phantom using polygonal mesh, for dosimetric evaluations

open access: yesBrazilian Journal of Radiation Sciences, 2015
Due to the embryo/fetus radiosensitivity the accurate estimation of the absorbed dose distribution in the abdominal area is an additional problem caused by the exposure of pregnant women to ionizing radiation in medical applications.
Manuela Ohana Monteiro Cabral   +3 more
doaj   +1 more source

Evaluating the Effects of Field Size on Beam Homogeneity Coefficient in the Superficial Radiotherapy Machine Using Empirical Method and Simulation [PDF]

open access: yesIranian Journal of Medical Physics, 2012
Introduction Superficial X-ray therapy is one of the most important treatment methods in radiotherapy especially in the treatment of superficial skin lesions (Up to 300 kVp).
Hamed Babapour   +3 more
doaj   +1 more source

Determination of dosimetric dependence for effective atomic number of LDR brachytherapy seed capsule by Monte Carlo simulation

open access: yesNuclear Engineering and Technology, 2023
Brachytherapy is a special case of radiotherapy. It should be arranged according to some principles in medical radiation applications and radiation physics.
Berkay Camgöz, Dilara Tarım
doaj   +1 more source

Computation of the electron beam quality $k_{{\rm Q,Q}_0}$ factors for the NE2571, NE2571A and NE2581A thimble ionization chambers using PENELOPE

open access: yes, 2017
The quality correction factor $k_{Q,Q_{0}}$ for electron beams was calculated for three thimble ionization chambers, namely, NE2571, NE2571A and NE2581A.
Brualla, L., Erazo, F., Lallena, A. M.
core   +1 more source

Simulations of a Scintillator Compton Gamma Imager for Safety and Security

open access: yes, 2009
We are designing an all-scintillator Compton gamma imager for use in security investigations and remediation actions involving radioactive threat material.
Hanna, D. S.   +3 more
core   +1 more source

Fast Monte Carlo Simulation for Patient-specific CT/CBCT Imaging Dose Calculation

open access: yes, 2011
Recently, X-ray imaging dose from computed tomography (CT) or cone beam CT (CBCT) scans has become a serious concern. Patient-specific imaging dose calculation has been proposed for the purpose of dose management.
Briesmeister J F   +23 more
core   +1 more source

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