Results 1 to 10 of about 1,052,715 (162)
Study of peripheral dose from low-dose CT to adaptive radiotherapy of postoperative prostate cancer [PDF]
Frontiers in Oncology, 2023 ObjectivesThe increasing use of computed tomography (CT) for adaptive radiotherapy (ART) has raised concerns about the peripheral radiation dose. This study investigates the feasibility of low-dose CT (LDCT) for postoperative prostate cancer ART to ...
Guanghui Gan +7 more
doaj +4 more sources
Retrospective Comparative Study on Dose Gradients and Peripheral Dose Management in Advanced Radiotherapy Systems [PDF]
Journal of Medical PhysicsBackground and Purpose: This study aimed to compare dose gradients and peripheral dose spillage across three advanced radiotherapy modalities: C-Arm Linac (TrueBeam STx), Ring Gantry (Radixact®), and Robotic Arm Linac (CyberKnife®).
Abhay Kumar Singh +2 more
doaj +2 more sources
Local FLASH radiation exhibits a double-edged effect on the mouse immune system [PDF]
Radiation OncologyPurpose/objective(s) This study aims to investigate the impact of partial blood volume FLASH irradiation on immune system in a mouse leg model. Materials/methods The right hind limbs of C57BL/6 N mice were irradiated in a single fraction with an electron
Xiaohang Qin +10 more
doaj +2 more sources
Pharmacokinetic/pharmacodynamic relationships of FTY720 in kidney transplant recipients [PDF]
Brazilian Journal of Medical and Biological Research, 2005 FTY720 is a new and effective immunosuppressive agent, which produces peripheral blood lymphopenia through a lymphocyte homing effect. We investigated the relationship between the dose of FTY720 or blood concentration (pharmacokinetics, PK) and ...
S.I. Park +7 more
doaj +5 more sources
Frontiers in Oncology, 2023 A growing body of scientific evidence indicates that exposure to low dose ionizing radiation (< 2 Gy) is associated with a higher risk of developing radio-induced cancer.
Nathan Benzazon +14 more
doaj +1 more source
Out-of-field dose in stereotactic radiotherapy for paediatric patients
Physics and Imaging in Radiation Oncology, 2021 Background and purpose: Stereotactic radiotherapy combines image guidance and high precision delivery with small fields to deliver high doses per fraction in short treatment courses.
Lachlan Garrett +5 more
doaj +1 more source
Zhongliu Fangzhi Yanjiu, 2021 Objective To explore the dose of template-assisted 192Ir source hypofractionated stereotactic brachytherapy (SABT) for peripheral lung cancer. Methods We retrospectively analyzed the dose parameters of GTV and OARs of 28 peripheral lung cancer patients ...
GAO Qin +4 more
doaj +1 more source
Peripheral Organ Equivalent Dose Estimation Procedure in Proton Therapy
Frontiers in Oncology, 2022 The aim of this work is to present a reproducible methodology for the evaluation of total equivalent doses in organs during proton therapy facilities.
Carles Domingo +9 more
doaj +1 more source
Journal of Medical Physics, 2013 The objective of this paper was to measure the peripheral dose (PD) with diode and thermoluminescence dosimeter (TLD) for intensity modulated radiotherapy (IMRT) with linear accelerator (conventional LINAC), and tomotherapy (novel LINAC).
Rajesh Kinhikar +9 more
doaj +1 more source
γ-H2AX foci as in vivo effect biomarker in children emphasize the importance to minimize x-ray doses in paediatric CT imaging [PDF]
, 2014 Objectives: Investigation of DNA damage induced by CT x-rays in paediatric patients versus patient dose in a multicentre setting. Methods: From 51 paediatric patients (median age, 3.8 years) who underwent an abdomen or chest CT examination in one of the
A. De Backer +9 more
core +2 more sources