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Results for "Clara Ferreira": 7 found

Dose Mapping of Radioactive Gold Nanoparticles Using Three-Dimensional Dosimetry

Authors: Ana Laura Burin, Maysa Müller Ferreira Gesserame, David Alexander Urbina Leal, Ilca Marli Moitinho Amaral Medeiros, Silas Leonel Pereira Miranda, Thuany Corrêa Nogueira, Maria da Penha Alburquerque Potiens, Pedro Henrique Ricardo, Maria Eduarda Zaganin Rigo, Orlando Rodrigues, Priscila Santos Rodrigues, Wilmmer Alexander Arcos Rosero, Maria Elisa Chuery Martins Rostelato, Sabrina Spigaroli Sgrignoli, Ana Catarina Koka de Souza Silva, Cristhian Ferreira Talacimon, Paulo Victor dos Santos Tavares, Lara El Hajj Teodoro, Carlos Alberto Zeituni, José Neres de Almeida

Affiliation: IPEN - USP

Abstract Preview: Purpose: Perform three-dimensional dosimetry of radioactive gold nanoparticles (¹⁹⁸AuNPs) using Fricke xylenol gel (FXG), aiming to determine the dose distribution and evaluate the method's effectiven...

Evaluation of Fractional Variability in High-Risk Clinical Target Volume (HR-CTV) during High-Dose-Rate Brachytherapy for Cervical Cancer: A Retrospective Analysis for Adaptive Treatment Planning.

Authors: Olubunmi Odunola Aregbe, Clara Ferreira, Margaret Reynolds, David A. Sterling, Jianling Yuan

Affiliation: University of Minnesota, University of Minnesota Physicians, Department of Radiation Oncology, University of Minnesota, Minneapolis

Abstract Preview: Purpose: To analyze volume changes in the high-risk clinical target volume (HR-CTV) during high-dose rate (HDR) brachytherapy for cervical cancer patients. The study aims to evaluate the trend and cor...

Evaluation of Phosphorus-32 Source Uniformity Using Python Algorithm and Monte Carlo Simulation

Authors: Ana Laura Burin, Ilca Marli Moitinho Amaral Medeiros, Priscila Santos Rodrigues, Maria Elisa Chuery Martins Rostelato, Sabrina Spigaroli Sgrignoli, Ana Catarina Koka de Souza Silva, Carla Daruich Souza, Cristhian Ferreira Talacimon, Lara El Hajj Teodoro, Carlos Alberto Zeituni

Affiliation: IPEN - USP, IPEN - Instituto de Pesquisas Energéticas e Nucleares

Abstract Preview: Purpose: The uniform distribution of phosphorus-32 (32P) in beta sources is essential to ensure the accuracy of radiotherapy treatments, such as those for paravertebral cancer. This study evaluated th...

Inter-Fractional Target Similarity during Tandem and Ring HDR Brachytherapy

Authors: Olubunmi Odunola Aregbe, Clara Ferreira, Margaret Reynolds, David A. Sterling

Affiliation: University of Minnesota, University of Minnesota Physicians, Department of Radiation Oncology, University of Minnesota, Minneapolis

Abstract Preview: Purpose: Current best practices recommend daily imaging and planning for Tandem and Ring (T&R) HDR patient plans. Accurate target delineation is a critical, yet time consuming step in this process. Th...

Presurgical Treatment Planning for Gammatile Implants

Authors: Timothy J Allen, Clara Ferreira

Affiliation: University of Minnesota, Department of Radiation Oncology, University of Minnesota, Minneapolis

Abstract Preview: Purpose: Presurgical treatment planning for GammaTile cranial implants is limited to estimates of required tiles and provides no positioning information. Existing tools are intended for tile estimatio...

Retrospective Postimplant Dosimetry: Comparison of Line and Point Source for 131cs Low Dose Rate Intracranial Implant Brachytherapy

Authors: Tirthraj Adhikari, Timothy J Allen, Abdullah A. Alshreef, Clara Ferreira

Affiliation: Medical School Department of Radiation Oncology University of Minnesota, University of Minnesota, Loma Linda University Medical Center

Abstract Preview: Purpose: GammaTile Brachytherapy with 131Cs is an effective treatment for glioblastomas, offering local control with minimal radiation necrosis. While the line source model is preferred for dose distr...

Use of Gold Nanoparticles As Shielding during Eye Plaque Brachytherapy

Authors: Clara Ferreira, Tomas Agustin Montenegro, Courtney C. Oare

Affiliation: University of Minnesota

Abstract Preview: Purpose: This work provides a simulated proof of concept for the use of intravitreal gold nanoparticle (AuNP) during eye plaque brachytherapy as a radiation shield to critical structures in the eye us...