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- Publications
- Influence
Absorbed fractions in a voxel-based phantom calculated with the MCNP-4B code.
- H. Yoriyaz, A. dos Santos, M. Stabin, R. Cabezas
- Physics, Medicine
- Medical physics
- 1 July 2000
A new approach for calculating internal dose estimates was developed through the use of a more realistic computational model of the human body. The present technique shows the capability to build a… Expand
PHOTON SPECIFIC ABSORBED FRACTIONS CALCULATED IN THE TRUNK OF AN ADULT MALE VOXEL-BASED PHANTOM
- M. Stabin, H. Yoriyaz
- Medicine
- Health physics
- 1 January 2002
A new approach for calculating internal dose estimates was developed through the use of a more realistic computational model of the human body. The study demonstrates the capability of building a… Expand
Monte Carlo MCNP-4B-based absorbed dose distribution estimates for patient-specific dosimetry.
- H. Yoriyaz, M. Stabin, A. dos Santos
- Medicine
- Journal of nuclear medicine : official…
- 1 April 2001
UNLABELLED
This study was intended to verify the capability of the Monte Carlo MCNP-4B code to evaluate spatial dose distribution based on information gathered from CT or SPECT.
METHODS
A new… Expand
Evaluation of the cytogenetic effects of 131I preceded by recombinant human thyrotropin (rhTSH) in peripheral lymphocytes of Wistar rats
- M. A. Silva, Maria Inês Calil Cury Guimarães, +4 authors K. Okazaki
- Biology, Medicine
- Radiation and environmental biophysics
- 19 August 2008
The present study was carried out to investigate the cytogenetic effects of therapeutic exposure to radioiodine preceded by rhTSH in an animal model. Three groups of Wistar rats (n = 6) were used:… Expand
Physical models, cross sections, and numerical approximations used in MCNP and GEANT4 Monte Carlo codes for photon and electron absorbed fraction calculation.
- H. Yoriyaz, M. Moralles, P. T. D. Siqueira, Carla da Costa Guimarães, F. B. Cintra, A. dos Santos
- Medicine
- Medical physics
- 2009
PURPOSE
Radiopharmaceutical applications in nuclear medicine require a detailed dosimetry estimate of the radiation energy delivered to the human tissues. Over the past years, several publications… Expand
A brachytherapy model-based dose calculation algorithm -AMIGOBrachy
- G. Fonseca, P. C. Antunes, H. Yoriyaz, B. Reniers, F. Verhaegen
- Computer Science
- 2013
- 4
- 1
CONDITIONAL PROBABILITY DISTRIBUTION ASSOCIATED TO THE E-M IMAGE RECONSTRUCTION ALGORITHM FOR NEUTRON STIMULATED EMISSION TOMOGRAPHY
- R. S. Viana, H. Yoriyaz, A. D. Santos
- Mathematics
- 2011
The Expectation-Maximization (E-M) algorithm is an iterative computational method for maximum likelihood (M-L) estimates, useful in a variety of incomplete-data problems. Due to its stochastic… Expand
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- 1
- PDF
Treatment of lung tumor colonies with 90Y targeted to blood vessels: comparison with the alpha-particle emitter 213Bi.
- S. Kennel, M. Stabin, H. Yoriyaz, M. Brechbiel, S. Mirzadeh
- Medicine
- Nuclear medicine and biology
- 1999
An in vivo lung tumor model system for radioimmunotherapy of lung metastases was used to test the relative effectiveness of the vascular- targeted beta-particle emitter 90Y, and alpha-particle… Expand
Physical models, cross sections, and numerical approximations used in MCNP and GEANT4 Monte Carlo codes for photon and electron absorbed fraction calculation.
- H. Yoriyaz, M. Moralles, Paulo de Tarso Dalledone Siqueira, Carla da Costa Guimarães, Felipe Belonsi Cintra, A. dos Santos
- Physics, Medicine
- Medical physics
- 1 November 2009
PURPOSE
Radiopharmaceutical applications in nuclear medicine require a detailed dosimetry estimate of the radiation energy delivered to the human tissues. Over the past years, several publications… Expand
A new rectal model for dosimetry applications.
- G. Mardirossian, M. Tagesson, +7 authors A. Brill
- Medicine
- Journal of nuclear medicine : official…
- 1 September 1999
UNLABELLED
A revised geometric representative model of the lower part of the colon, including the rectum, the urinary bladder and prostate, is proposed for use in the calculation of absorbed dose… Expand