Results 1 to 10 of about 7,906 (146)

Multi-Planar VMAT Plans for High-Grade Glioma and Glioblastoma Targeting the Hypothalamic-Pituitary Axis Sparing

open access: yesLife, 2022
Background: This study aimed to identify the better arc configuration of volumetric modulated arc therapy (VMAT) for high-grade glioma and glioblastoma, focusing on a dose reduction to the hypothalamic–pituitary axis through an analysis of dose ...
Eva Yi Wah Cheung
exaly   +4 more sources

Modified VMAT Plans for Locally Advanced Centrally Located Non-Small Cell Lung Cancer (NSCLC)

open access: yesLife, 2021
Objectives: This study aimed to find the optimal radiotherapy VMAT plans, that achieved high conformity and homogeneity to the planned target volume (PTV), and minimize the dose to nearby organs at risk including the non-PTV lung, heart and oesophagus ...
Eva Y. W. Cheung   +9 more
doaj   +2 more sources

Dosimetric Comparative Study between Single and Dual Isocenter Stereotactic Body Radiotherapy Plans in Treatment of Multiple Lesions Non-Small Cell Lung Cancer Patients [PDF]

open access: yesIranian Journal of Medical Physics, 2023
Introduction: stereotactic body radiotherapy (SBRT) is the most proper treatment for multi lesions non-small cell lung cancer (NSCLC) for enhanced good coverage and minimizing dose to organs at risk (OARs).
Mona Ibraheim   +5 more
doaj   +1 more source

Modern Radiotherapy for a Medieval Malady: An Analysis of Treatment Toxicities for Locally Advanced Head and Neck Cancers [PDF]

open access: yesMiddle East Journal of Cancer, 2021
Background: Concurrent chemo-radiation has proven to be beneficial in a majority of patients with locally advanced head and neck cancers. Despite modern techniques of radiation delivery, the trade-off is acute and entails late toxicities for a ...
Fathima Almas   +6 more
doaj   +1 more source

Impact of Multi-criteria Optimization on 6-MV Flattening Filter-Free Volumetric Modulated Arc Therapy for Craniospinal Irradiation [PDF]

open access: yesIranian Journal of Medical Physics, 2020
Introduction: Volumetric modulated arc therapy (VMAT) is an advanced technique used for radiotherapy treatment using different optimization modes. The present study aimed to evaluate Multi-criteria Optimization (MCO) influence on VMAT for Craniospinal ...
Mohandass P   +8 more
doaj   +1 more source

Planning study of flattening filter free beams for volumetric modulated arc therapy in squamous cell carcinoma of the scalp. [PDF]

open access: yesPLoS ONE, 2014
Flattening filter free (FFF) beams show the potential for a higher dose rate and lower peripheral dose. We investigated the planning study of FFF beams with their role for volumetric modulated arc therapy (VMAT) in squamous cell carcinoma of the scalp ...
Youqun Lai   +4 more
doaj   +1 more source

Fully automated volumetric modulated arc therapy planning for locally advanced rectal cancer: feasibility and efficiency

open access: yesRadiation Oncology, 2023
Background Volumetric modulated arc therapy (VMAT) for locally advanced rectal cancer (LARC) has emerged as a promising technique, but the planning process can be time-consuming and dependent on planner expertise.
Kouta Hirotaki   +6 more
doaj   +1 more source

Cardiac Dose Control and Optimization Strategy for Left Breast Cancer Radiotherapy With Non-Uniform VMAT Technology

open access: yesTechnology in Cancer Research & Treatment, 2021
Purpose: A novel in-house technology “Non-Uniform VMAT (NU-VMAT)” was developed for automated cardiac dose reduction and treatment planning optimization in the left breast radiotherapy.
Jianjian Qiu PhD   +3 more
doaj   +1 more source

Dosimetric effects of sectional adjustments of collimator angles on volumetric modulated arc therapy for irregularly-shaped targets. [PDF]

open access: yesPLoS ONE, 2017
To calculate an optimal collimator angle at each of sectional arcs in a full-arc volumetric modulated arc therapy (VMAT) plan and evaluate dosimetric quality of these VMAT plans comparing full-arc VMAT plans with a fixed collimator angle.Seventeen ...
Beom Seok Ahn   +5 more
doaj   +1 more source

Establishment of criteria for gamma-analysis of individual dose distributions during verification of radiotherapy high-tech treatment plans for cancer patients

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2022
A typical process for verification of treatment plans in intensity-modulated radiation therapy is described. The main errors and uncertainties that arise in the course of planning dose distribution and in the process of dose delivery are listed.
M. N. Piatkevich   +2 more
doaj   +1 more source

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