Results 31 to 40 of about 156,116 (297)

Implications of the Harmonization of [¹⁸F]FDG-PET/CT Imaging for Response Assessment of Treatment in Radiotherapy Planning

Tomography, 2022
The purpose of this work is to present useful recommendations for the use of [18F]FDG-PET/CT imaging in radiotherapy planning and monitoring under different versions of EARL accreditation for harmonization of PET devices.
Elisa Jiménez-Ortega, Raquel Agüera, Ana Ureba, Marcin Balcerzyk, Amadeo Wals-Zurita, Francisco Javier García-Gómez, Antonio Leal   +6 more
doaj   +1 more source

Comparative Dosimetric Evaluation of Volumetric-Modulated Arc Therapy (VMAT) Versus Intensity-Modulated Radiotherapy (IMRT) in Thoracic Esophageal Cancer [PDF]

Iranian Journal of Medical Physics, 2023
Introduction: With the introduction of Intensity Modulated Radiotherapy (IMRT) approach, better dosimetry results and patient outcomes has been attained for various anatomical sites.
Atul Mishra, Ramji Pathak, Kailash Mittal, SURENDRA MISHRA, Sudesh Singh, Anoop Srivastava   +5 more
doaj   +1 more source

Factors Affecting Implementation of Radiological Protection Aspects of Imaging in Radiotherapy

Applied Sciences, 2023
Dramatic improvements in radiotherapy equipment have allowed radiation fields to be conformed to tumours for more accurate treatment. Successful delivery often requires imaging at every treatment fraction, a method known as image guided radiation therapy
Colin John Martin, Sebastien Gros, Tomas Kron, Tim J. Wood, Jenia Vassileva, William Small, Ung Ngie Min   +6 more
doaj   +1 more source

Three-year outcomes of a once daily fractionation scheme for accelerated partial breast irradiation (APBI) using 3-D conformal radiotherapy (3D-CRT). [PDF]

, 2013
The aim of this study was to report 3-year outcomes of toxicity, cosmesis, and local control using a once daily fractionation scheme (49.95 Gy in 3.33 Gy once daily fractions) for accelerated partial breast irradiation (APBI) using three-dimensional ...
Daroui, Parima, Goyal, Sharad, Haffty, Bruce G, Kearney, Thomas, Khan, Atif J, Kirstein, Laurie   +5 more
core   +2 more sources

FDG-PET/CT in the Radiotherapy Treatment Planning of Locally Advanced Anal Cancer: A Monoinstitutional Experience

Frontiers in Oncology, 2021
AimsRadiotherapy with concurrent 5-fluorouracil/mitomycin-C based chemotherapy has been established as definitive standard therapy approach for anal cancer.
Clelia Di Carlo, Maika di Benedetto, Lisa Vicenzi, Sara Costantini, Francesca Cucciarelli, Francesco Fenu, Eleonora Arena, Cristina Mariucci, Maria Montisci, Valeria Panni, Fabiola Patani, Marco Valenti, Andrea Palucci, Luca Burroni, Giovanna Mantello   +14 more
doaj   +1 more source

Patterns of CT lung injury and toxicity after stereotactic radiotherapy delivered with helical tomotherapy in early stage medically inoperable NSCLC [PDF]

, 2015
To evaluate toxicity and patterns of radiologic lung injury on CT images after hypofractionated image-guided stereotactic body radiotherapy (SBRT) delivered with helical tomotherapy (HT) in medically early stage inoperable non-small-cell lung cancer ...
Agolli, Linda, Arcangeli, S, Bracci, S, Dognini, Jessica, Donato, Vittorio, Lopergolo, M. G, Migliorino, M. R, Monaco, Alessia, Portalone, L, Pressello, M. C   +9 more
core   +1 more source

Comparison of EPID portal dosimetry verification and RadCalc dose verification for VMAT treatment plans

Nowotwory
INTRODUCTION: Dosimetry verification is required before starting each treatment. The legal regulations do not clearly define one method of plan verification.
Adam Gądek, Dominika Plaza, Łukasz Sroka, Marta Reudelsdorf-Ullmann, Krzysztof Ślosarek   +4 more
doaj   +1 more source

CT-Based Pelvic T1-Weighted MR Image Synthesis Using UNet, UNet++ and Cycle-Consistent Generative Adversarial Network (Cycle-GAN)

Frontiers in Oncology, 2021
BackgroundComputed tomography (CT) and magnetic resonance imaging (MRI) are the mainstay imaging modalities in radiotherapy planning. In MR-Linac treatment, manual annotation of organs-at-risk (OARs) and clinical volumes requires a significant clinician ...
Reza Kalantar, Christina Messiou, Christina Messiou, Jessica M. Winfield, Jessica M. Winfield, Alexandra Renn, Arash Latifoltojar, Kate Downey, Aslam Sohaib, Susan Lalondrelle, Dow-Mu Koh, Dow-Mu Koh, Matthew D. Blackledge   +12 more
doaj   +1 more source

Evaluation of 3D Printed Immobilisation Shells for Head and Neck IMRT [PDF]

, 2014
This paper presents the preclinical evaluation of a novel immobilization system for patients undergoing external beam radiation treatment of head and neck tumors.
Applegate, Christopher, Bell, Duncan, Emmens, Daniel, Fisher, Mark, Hulse, Mark, Laycock, Stephen, Ryalat, Mohammad   +6 more
core   +1 more source

Assessment of image quality and dose calculation accuracy on kV CBCT, MV CBCT, and MV CT images for urgent palliative radiotherapy treatments. [PDF]

, 2016
A clinical workflow was developed for urgent palliative radiotherapy treatments that integrates patient simulation, planning, quality assurance, and treatment in one 30-minute session.
Barani, Igor, Braunstein, Steve, Cremers, Florian, Fogh, Shannon E, Held, Mareike, Morin, Olivier, Nakamura, Jean, Perez-Andujar, Angelica, Pouliot, Jean, Sneed, Penny K   +9 more
core   +1 more source