Results 61 to 70 of about 4,374,982 (417)

A SEGMENTATION PROBLEM IN QUANTITATIVE ASSESSMENT OF ORGAN DISPOSITION IN RADIOTHERAPY

open access: yesImage Analysis and Stereology, 2011
Radiotherapeutic treatment of cancer is best conducted if the prescription dose is given to the tumor while surrounding normal tissues are maximally spared.
Giovanni Naldi   +6 more
doaj   +1 more source

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

open access: yesFrontiers 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   +14 more
doaj   +1 more source

Radiotherapy Dosimetry: A Review on Open-Source Optimizer [PDF]

open access: yesarXiv, 2023
Radiotherapy dosimetry plays a crucial role in optimizing treatment plans for cancer patients. In this study, we investigate the performance of a dozen standard state-of-the-art open-source optimizers for radiotherapy dosimetry. Our evaluation includes the use of TGG119 benchmark cases as well as one real case obtained from the Institute du Cancer de ...
arxiv  

Real-time non-rigid 3D respiratory motion estimation for MR-guided radiotherapy using MR-MOTUS [PDF]

open access: yes, 2021
The MR-Linac is a combination of an MR-scanner and radiotherapy linear accelerator (Linac) which holds the promise to increase the precision of radiotherapy treatments with MR-guided radiotherapy by monitoring motion during radiotherapy with MRI, and adjusting the radiotherapy plan accordingly.
arxiv   +1 more source

Combinatorial optimisation in radiotherapy treatment planning [PDF]

open access: yesAIMS Medical Science, 2018
The goal of radiotherapy is to cover a target area with a desired radiation dose while keeping the exposition of non-target areas as low as possible in order to reduce radiation side effects. In the case of Intensity Modulated Proton Therapy (IMPT), the dose distribution is typically designed via a treatment planning optimisation process based on ...
Altobelli, E   +11 more
openaire   +5 more sources

Evaluation of an EPID in vivo monitoring system using local and external independent audit measurements

open access: yesJournal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose The aim of this work was to evaluate the SunCHECK PerFRACTION, the software for in vivo monitoring using EPID images. Materials/Methods First, the PerFRACTION ability to detect errors was investigated simulating two situations: (1) variation of LINAC output and (2) variation of the phantom thickness.
Samuel Ramalho Avelino   +3 more
wiley   +1 more source

Radiotherapy planning [PDF]

open access: yes, 2010
Práce se zabývá rozborem vlastností ionizujícího záření. Jsou zde popsány přístroje používané pro ozařování patologických nálezů. Obsahuje jednotlivé fáze plánovacího algoritmu, kde jsou uvedeny jednotlivé úkony.
Požár, Pavel
core   +2 more sources

A real-time contouring feedback tool for consensus-based contour training

open access: yesFrontiers in Oncology, 2023
PurposeVariability in contouring structures of interest for radiotherapy continues to be challenging. Although training can reduce such variability, having radiation oncologists provide feedback can be impractical. We developed a contour training tool to
Christopher L. Nelson   +17 more
doaj   +1 more source

Impact of treatment planning target volumen (PTV) size on radiation induced diarrhoea following selenium supplementation in gynecologic radiation oncology - a subgroup analysis of a multicenter, phase III trial [PDF]

open access: yes, 2013
Background: In a previous analysis (Int J Radiat Oncol Biol Phys 70:828-835,2010), we assessed whether an adjuvant supplementation with selenium (Se) improves Se status and reduces the radiation-induced side-effects of patients treated by adjuvant ...
Adamietz, Irenäus A.   +14 more
core   +1 more source

Automated treatment planning of postmastectomy radiotherapy [PDF]

open access: yesMedical Physics, 2019
PurposeBreast cancer is the most common cancer in women globally and radiation therapy is a cornerstone of its treatment. However, there is an enormous shortage of radiotherapy staff, especially in low‐ and middle‐income countries. This shortage could be ameliorated through increased automation in the radiation treatment planning process, which may ...
Kisling, Kelly   +17 more
openaire   +4 more sources

Home - About - Disclaimer - Privacy