Search Results - "Venencia, Daniel"

Importance of beam-matching between truebeam stx and novalis tx in pre-treatment quality assurance using portal dosimetry by Rojas-López, José, Venencia, Daniel

“…Flexibility and efficiency in a radiotherapy department with different linear accelerators (linacs) can be improved if they are dosimetrically equivalent, and…”
Get full text

Knowledge-based volumetric modulated arc therapy treatment planning for breast cancer by Apaza Blanco, Oscar, Almada, María, Garcia Andino, Albin, Zunino, Silvia, Venencia, Daniel

“…Purpose: To create and to validate knowledge-based volumetric modulated arc therapy (VMAT) models for breast cancer treatments without lymph node irradiation…”
Get full text

Use of genetic algorithm for PTV optimization in single isocenter multiple metastases radiosurgery treatments with Brainlab Elements by Rojas-López, José Alejandro, Díaz Moreno, Rogelio Manuel, Venencia, Carlos Daniel

“…•PTV margins for radiosurgery can be optimized by genetic algorithm (GA).•GTV effective displacement by rotations (roll, pitch, yaw) was obtained by GA.•The…”
Get full text

Anatomic study of the pelvis in carcinoma of the uterine cervix as related to the box technique by Zunino, S, Rosato, O, Lucino, S, Jauregui, E, Rossi, L, Venencia, D

“…To review the radiation therapy "box" technique for cancer of the cervix by means of magnetic resonance imaging (MRI), lymphangiography, and anatomic studies…”
Get more information

Dose-response of Fricke- and PAGAT-dosimetry gels in kilovoltage and megavoltage photon beams: Impact of LET on sensitivity by Vedelago, José, Chacón, David, Romero, Marcelo, Venencia, Daniel, Mattea, Facundo, Valente, Mauro

“…•Fricke and PAGAT gel dosimeters sensitivities were evaluated in photon beams.•Both dosimeters showed quantifiable response for kV and MV photon beams.•Optical…”
Get full text

Estudo da distribuição de dose de feixes clínicos de elétrons em meios heterogêneos by Aguirre, Eder, De Almeida, Carlos Eduardo, David, Mariano, Venencia, Daniel

“…Este trabalho estuda o comportamento da distribuição de dose de feixes de elétrons de uso clínico utilizando o método Monte Carlo, através do código PENELOPE…”
Get full text

Measurements of the dose delivered during CT exams using AAPM Task Group Report No. 111 by Descamps, C., Gonzalez, M., Garrigo, E., Germanier, A., Venencia, D.

“…The computed tomography dose index (CTDI) measured with a 10 cm long pencil ionization chamber placed in a 14 cm long PMMA phantom is typically used to…”
Get full text

Well calculated is better than quickly calculated: Comparison of Pencil beam and Monte Carlo algorithms according to the number of lesions and fractionation in radiosurgery of multiple brain metastases by Rojas-López, José Alejandro, Dimitriadis, Alexis, Chesta, Miguel Ángel, Venencia, Carlos Daniel

“…•We study pencil beam (PB) and Monte Carlo (MC) in multiple metastases radiosurgery.•Plans were evaluated concerning the dose, fractions and the number of…”
Get full text

A method to enhance spatial resolution of a 2D ion chamber array for quality control of MLC by Moreno, Rogelio Díaz, Venencia, Daniel, Garrigo, Edgardo, Pipman, Yakov

“…This work introduces a new method for verifying MLC leaf positions with enough spatial resolution to replace film‐based methods in performing QA tests. It is…”
Get full text

Assessment of PTV margin adequacy for single isocenter multiple brain metastases using genetic algorithms by Rojas-López, José Alejandro, Venencia, Carlos Daniel, Chesta, Miguel Ángel, Tamarit, Francisco

“… To study the impact on dose coverage and the dose to the healthy tissue applying optimized margins in single isocenter multiple brain metastases radiosurgery…”
Get more information

A method to enhance 2D ion chamber array patient specific quality assurance for IMRT by Diaz Moreno, Rogelio Manuel, Venencia, Daniel, Garrigo, Edgardo, Pipman, Yakov

“…Gamma index comparison has been established as a method for patient specific quality assurance in IMRT. Detector arrays can replace radiographic film systems…”
Get full text

Commissioning and quality assurance for intensity‐modulated radiotherapy with dynamic multileaf collimator: Experience of the Pontificia Universidad Católica de Chile by Venencia, Carlos Daniel, Besa, Pelayo

“…The objective of this paper is to present our experience in the commissioning and quality assurance (QA) for intensity‐modulated radiotherapy (IMRT) using the…”
Get full text

Comparison between measured and calculated dynamic wedge dose distributions using the anisotropic analytic algorithm and pencil‐beam convolution by Caprile, Paola, Venencia, Carlos Daniel, Besa, Pelayo

“…We used the two available calculation algorithms of the Varian Eclipse 7.3 three‐dimensional (3D) treatment planning system (TPS), the anisotropic analytic…”
Get full text

Commissioning and quality assurance for intensity modulated radiotherapy with dynamic multileaf collimator: experience of the Pontificia Universidad Católica de Chile by Venencia, Carlos Daniel, Besa, Pelayo

“…The objective of this paper is to present our experience in the commissioning and quality assurance (QA) for intensity modulated radiotherapy (IMRT) using…”
Get full text

Comparison between measured and calculated dynamic wedge dose distributions using the anisotropic analytic algorithm and pencil-beam convolution by Caprile, Paola Francisca, Venencia, Carlos Daniel, Besa, Pelayo

“…We used the two available calculation algorithms of the Varian Eclipse 7.3 three-dimensional (3D) treatment planning system (TPS), the anisotropic analytic…”
Get full text

Tratamiento de schwanomas vestibulares esporádicos mediante radiocirugía: Estudio prospectivo de cohorte by Martel V, Freddy, Iñiguez S, Rodrigo, Venencia M, Daniel, Tagle M, Patricio, Besa D, Pelayo, Lorenzoni S, José

Get full text

Radioterapia por modulación de intensidad (IMRT): Una nueva modalidad en el tratamiento del cáncer de cabeza y cuello by Besa de C, Pelayo, Venencia M, Daniel

“…Objetivo: Describir el tratamiento y evaluar las ventajas de IMRT en el tratamiento del cáncer de cabeza y cuello. Material y métodos: Hace cuatro años se…”
Get full text

Tratamiento de schwanomas vestibulares esporádicos mediante radiocirugía: Estudio prospectivo de cohorte by Martel V, Freddy, Iñiguez S, Rodrigo, Venencia M, Daniel, Tagle M, Patricio, Besa D, Pelayo, Lorenzoni S, José

“…Objetivo: Analizar los resultados iniciales de un estudio prospectivo en pacientes con schwanomas vestibulares tratados con radiocirugía en la Pontificia…”
Get full text