Results 21 to 30 of about 183,299 (329)

Radiation Cataract—New Evidence on Radiation Dosage to the Lens [PDF]

The British Journal of Radiology, 1966
1. The eyes of 104 patients treated for 106 tumours of the eyelids in 1952–53 and 1957–58, have been examined in 1964. 2. Fourteen cases of radiation cataract (only six seriously affecting visual acuity) were found in 38 patients treated by radon gold seed implant.
W. J. Meredith, M. J. A. Britten, Keith E. Halnan   +2 more
openaire   +2 more sources

THE USE OF THE O-ARM® OR RADIOSCOPE IN SPINE SURGERY: SYSTEMATIC REVIEW WITH META-ANALYSIS [PDF]

Coluna/Columna
The great advances in using new devices and imaging systems in surgeries aim to reproduce an ideal and safe scenario for the surgeon, the team, and the patient. New systems and devices are constantly available to demonstrate and facilitate intraoperative
Sylvio Mistro Neto, Jessica Yumi Matuoka, Haliton Alves de Oliveira Junior, Priscila Mina Falsarella, Marcelo Italo Risso Neto   +4 more
doaj   +1 more source

Exploration of clinical preferences in treatment planning of radiotherapy for prostate cancer using Pareto fronts and clinical grading analysis

Physics and Imaging in Radiation Oncology, 2020
Introduction: Radiotherapy treatment planning is a multi-criteria problem. Any optimization of the process produces a set of mathematically optimal solutions.
A. Kyroudi, K. Petersson, E. Ozsahin, J. Bourhis, F. Bochud, R. Moeckli   +5 more
doaj   +1 more source

A Phantom Study for the Optimization of Image Quality and Radiation Dose for Common Radiographic Examinations in Digital Radiography [PDF]

Iranian Journal of Medical Physics, 2018
Introduction: Phantom studies facilitate the implementation of radiation dose surveillance as a function of radiographic technical parameters for minimizing patient radiation dose.
Soo-Foon Moey, Zubir Shazli
doaj   +1 more source

Assessment of Different Training Methods in an Artificial Neural Network to Calculate 2D Dose Distribution in Radiotherapy [PDF]

Iranian Journal of Medical Physics, 2020
Introduction: Treatment planning is the most important part of treatment. One of the important entries into treatment planning systems is the beam dose distribution data which maybe typically measured or calculated in a long time.
Mahdi Saeedi-Moghadam, Kamal Hadad, Banafsheh Zeinali-Rafsanjani, Reza Jalli   +3 more
doaj   +1 more source

Comparison of two reader modes of computer-aided diagnosis in lung nodules on low-dose chest CT scan

Journal of Innovative Optical Health Sciences, 2022
Low-dose computerized tomography (LDCT) scanning is of great significance for monitoring and management of pulmonary nodules on chest computerized tomography (CT).
Qiongjie Hu, Shaofang Wang, Chong Chen, Shichao Kang, Ziyan Sun, Yujin Wang, Min Xiang, Hanxiong Guan, Yiwen Liu, Liming Xia   +9 more
doaj   +1 more source

Evaluation of Risk of Secondary Thyroid Cancer Caused by Neutron Dose Equivalent from Brain Tumor 3D-Conformal Radiation Therapy (3D-CRT)

مجله دانشکده پزشکی اصفهان, 2020
Background: Thyroid cancer is one of the most common secondary malignancies as a result of receiving therapeutic doses to the head and neck. In this study, the probability of secondary thyroid cancer risk due to neutron contamination of 15 MV Siemens ...
Sohail Elmtalab, Iraj Abedi, Mohammadhosein Choopan Dastjerdi, Ahmad Shanei   +3 more
doaj   +1 more source

The proportion of computed tomography kidneys, ureters and bladder (CTKUB) scans that comply with scan extent protocol in an emergency department: a clinical audit and dose ramification study

Journal of Medical Radiation Sciences, 2021
Introduction To assess computed tomography kidneys, ureters and bladder (CTKUB) scan extent protocol compliance and associated doses in the Emergency Department (ED) of an Australian tertiary hospital.
Arianne Kasi, Tom Steffens, Deborah Starkey, Vicki Braithwaite   +3 more
doaj   +1 more source

Measurement and Protection of Induced Radioactivity in Proton Heavy Ion Accelerator Therapy

Journal of Isotopes, 2021
Proton-heavy ion therapy is internationally recognized as the most advantageous radiotherapy method in oncology. However, due to the relatively high energy of the proton-heavy ion beams, the secondary neutrons produced in the process of beam energy loss ...
HU Qisheng;YANG Jun
doaj   +1 more source

Optimization of PET protocol and interrater reliability of 18F-PSMA-11 imaging of prostate cancer [PDF]

, 2020
Background Several scan parameters for PET imaging with F-18-PSMA-11 such as dosage, acquisition time and scan duration were evaluated to determine the most appropriate scan protocol, as well as the effect of furosemide administration on lesion ...
Achten, Eric, De Man, Kathia, De Vos, Filip, Kersemans, Ken, Ost, Piet, Piron, Sarah, Schelfhout, Vanessa, Van Laeken, Nick   +7 more
core   +2 more sources