Results 31 to 40 of about 2,339,712 (277)

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

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

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

Ultra-High-Resolution Photon-Counting Detector CT Arthrography of the Ankle: A Feasibility Study

Diagnostics, 2023
This study was designed to investigate the image quality of ultra-high-resolution ankle arthrography employing a photon-counting detector CT. Bilateral arthrograms were acquired in four cadaveric specimens with full-dose (10 mGy) and low-dose (3 mGy ...
Karsten Sebastian Luetkens, Jan-Peter Grunz, Andreas Steven Kunz, Henner Huflage, Manuel Weißenberger, Viktor Hartung, Theresa Sophie Patzer, Philipp Gruschwitz, Süleyman Ergün, Thorsten Alexander Bley, Philipp Feldle   +10 more
doaj   +1 more source

Adrenal Vein Sampling: Radiation Dose Reduction on New Angiography Platform

The Arab Journal of Interventional Radiology, 2020
Objectives: Primary aldosteronism is one of the most common causes of secondary hypertension. Distinguishing unilateral from bilateral disease is essential as those with unilateral adrenal disease will benefit from adrenalectomy. This is best achieved by
Ali Alsafi, Florian Wernig, Jeannie Todd, Tricia Tan, F. Fausto Palazzo, Karim Meeran, James E. Jackson   +6 more
doaj   +1 more source

Comparison of the Operator and Surrounding Dose When Using Portable Intraoral X-ray Devices

Applied Sciences
This study aimed to investigate the scattered radiation dose using three portable dental radiographic units: iRay D3, EZRay Air, and Epix. The absorbed dose was measured at 0.5 and 1 m distances, every 15° in the horizontal plane, using an ionization ...
Mehrdad Abdinian, Maedeh Aminian, Forouzan Keymasi, Parisa Soltani, Mariangela Cernera, Niccolo Giuseppe Armogida, Gianrico Spagnuolo   +6 more
doaj   +1 more source

Diagnostic Performance of Different Simulated Low-Dose Levels in Patients with Suspected Cervical Abscess Using a Third-Generation Dual-Source CT Scanner

Diagnostics, 2020
The aim of this study was to investigate the effects of dose reduction on diagnostic accuracy and image quality of cervical computed tomography (CT) in patients with suspected cervical abscess. Forty-eight patients (mean age 45.5 years) received a CT for
Moritz T. Winkelmann, Saif Afat, Sven S. Walter, Eva Stock, Vincent Schwarze, Andreas Brendlin, Manuel Kolb, Christoph P. Artzner, Ahmed E. Othman   +8 more
doaj   +1 more source

The radiation protection role of heparin-SOD conjugate in irradiated mice

Brazilian Journal of Pharmaceutical Sciences, 2018
Heparin-SOD conjugate (Hep-SOD) was prepared by modifying Cu,Zn-SOD with heparin. An acute radiation-induced mouse injury model was constructed to study the radiation protection effects of Hep-SOD conjugate.
Chuanqing Zhong, Xiaojing Huang, Shu Zhang, Yanna Cheng, Guangxiang Cao, Fengshan Wang   +5 more
doaj   +1 more source

Influence of temperature and moisture on the mechanical properties of irradiated thermoplastics materials

MATEC Web of Conferences, 2017
This study deals with the effect of ionizing beta radiation on notch impact strength of polyamides filled with glass fiber under the influence of temperature and moisture.
Pavel Stoklasek, Martin Bednarik
doaj   +1 more source

Comparisons of Hounsfield Unit Linearity between Images Reconstructed using an Adaptive Iterative Dose Reduction (AIDR) and a Filter Back-Projection (FBP) Techniques [PDF]

Journal of Biomedical Physics and Engineering, 2020
Background: The HU linearity is an essential parameter in a quantitative imaging and the treatment planning systems of radiotherapy. Objective: This study aims to evaluate the linearity of Hounsfield unit (HU) in applying the adaptive iterative dose ...
I Suyudi, C Anam, H Sutanto, P Triadyaksa, T Fujibuchi   +4 more
doaj   +1 more source