Results 31 to 40 of about 173,456 (181)
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+3 more
doaj +1 more source
ObjectiveTo investigate the value of dual source computer tomography automatic tube current regulation in reducing the radiation dose of CTA in lower limb vessels.MethodsFrom February 2020 to December 2021, 64 patients with lower limb artery CTA were ...
Xin Hu, Yi Yu
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Thermoluminescent Characteristics of GR-200, TLD-700H and TLD-100 for Low Dose Measurement: Linearity, Repeatability, Dose Rate and Photon Energy Dependence [PDF]
Background: The dose values obtained from procedures of diagnostic radiology are relatively low. To accurately and precisely measure the dose values in this dose range, it is necessary to know the characteristics of dosimeters.Objective: The aim of this ...
Mojgan Alizadeh+5 more
doaj +1 more source
Geopolymers are a new environmentally friendly cementitious material, and the application of geopolymers can reduce the carbon dioxide emissions caused by the development of the cement industry.
Ammar A. Oglat, Sabri M. Shalbi
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Optimization of PET protocol and interrater reliability of 18F-PSMA-11 imaging of prostate cancer [PDF]
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+7 more
core +2 more sources
Background and Objectives: We attempted to determine the optimal radiation dose to maintain image quality using a deep learning application in a physical human phantom. Materials and Methods: Three 5 × 5 × 5 mm3 uric acid stones were placed in a physical
Jae Hun Shim+3 more
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Background: CT-guided hook-wire localization is an essential step in the management of small pulmonary nodules. Few studies, however, have focused on reducing radiation exposure during the procedure. Purpose: This study aims to explore the feasibility of
Wei Wei+8 more
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Radiation exposure during electrophysiology procedures has been a point of discussion. We measured the ionising radiation dosage during ablation procedures for supraventricular tachycardia.
Avishek Bagchi+4 more
doaj
مقدمه: دو روش رادیوگرافی شامل پانورامیک (Panoramic) و رادیوگرافی مقطعنگاری رایانهای با اشعهی مخروطی (Cone beam computed tomography یا CBCT) در راديولوژی دندانی کاربرد فراوانی دارد.
Hamed Zamani+3 more
doaj +1 more source
Evaluation of Image Quality, Organ Dose, Effective Dose and Cancer Risk in Pediatric Chest CT Procedure [PDF]
Background: The increasing frequency of pediatric chest CT scans has raised concerns regarding the radiation-induced cancer risks. The aim of this study was to evaluate image quality, organ doses, effective dose, and radiation-induced cancer risk from ...
Mahboobe Kiani+2 more
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