The usage of dosimetry of small fields in radiotherapy to measure radiation dose is difficult because of high-dose gradients, lateral electronic disequilibrium, and detector volume effects. In this study, three dosimeters namely, Markus, Semiflex 3D, and Diode E were tested using the Elekta-accelerator electron beams. The electron beam parameters, penumbra, and output factor were determined using these dosimeters for each field size and energy.
View Article and Find Full Text PDFThe aim of radiotherapy is to deliver the highest possible radiation dose to the tumor and the lowest radiation to normal tissues surrounding the tumor. In the present study, lymph nodes of the supraclavicular region were treated using two therapeutic techniques, namely photon technique (PT) and combinatory photon-electron technique (CPET). We recruited 50 patients with local lymph node metastasis.
View Article and Find Full Text PDFObjective: A huge amount of the efforts made by health teams is dedicated to caring for cancer patients. This study has aimed to investigate the effect of self-care training on life expectancy and quality of life (QOL) in patients with gastrointestinal cancer who were under radiotherapy.
Methods: In this clinical trial, 50 patients were selected using the block randomization method.