Results 1 to 10 of about 493,617 (211)

Organ dose conversion coefficients in CT scans for Korean adult males and females [PDF]

open access: yesNuclear Engineering and Technology, 2022
Dose monitoring in CT patients requires accurate dose estimation but most of the CT dose calculation tools are based on Caucasian computational phantoms.
Choonsik Lee   +5 more
doaj   +2 more sources

Assessing the Organ Dose in Diagnostic Imaging with Digital Tomosynthesis System Using TLD100H Dosimeters [PDF]

open access: yesTomography
Background: Digital tomosynthesis (DTS) is an advanced imaging modality that enhances diagnostic accuracy by offering three-dimensional visualization from two-dimensional projections, which is particularly beneficial in breast and lung imaging.
Giuseppe Stella   +5 more
doaj   +2 more sources

Breast Organ Dose and Radiation Exposure Reduction in Full-Spine Radiography: A Phantom Model Using PCXMC [PDF]

open access: yesDiagnostics
Background/Objectives: Full-spine radiography is frequently performed from childhood to adulthood, raising concerns about radiation-induced breast cancer risk.
Manami Nemoto, Koichi Chida
doaj   +2 more sources

A Critical Appraisal of System-Reported Organ Dose (OD) Versus Manually Calculated Mean Glandular Dose (MGD) in Dubai’s Mammography Services [PDF]

open access: yesDiagnostics
Background: This study compares system-reported organ doses (ODs) to manually calculated mean glandular doses (MGDs) in mammography across multiple centers and manufacturers in Dubai.
Kaltham Abdulwahid Mohammad Noor   +4 more
doaj   +2 more sources

Organ dose reconstruction for the radiation epidemiological study of Korean radiation workers: The first dose evaluation for the Korean Radiation Worker Study (KRWS) [PDF]

open access: yesNuclear Engineering and Technology, 2023
The Korea Institute of Radiological and Medical Sciences has started a radiation epidemiological study, titled ''Korean Radiation Worker Study,'' to evaluate the health effects of occupational exposure to radiation.
Tae-Eun Kwon   +8 more
doaj   +2 more sources

A Statistical Approach to Assess Biological Equivalent Mean Organ Dose (MOD) for Different Fractionations in Thoracic Radiotherapy [PDF]

open access: yesBiomedicines
Background: With advances in radiotherapy technology, there are more technological options and fractionation regiments for different stages of lung cancer.
Siyao Zhong   +7 more
doaj   +2 more sources

Diagnostic CT organ dose estimation in whole-body PET/CT examinations–comparison of a patient-specific monte carlo approach and a computational phantom-based CT dosimetry tool [PDF]

open access: yesEJNMMI Physics
Background Studies evaluating the impact of advances in CT dosimetry tools on CT organ dose estimations are often limited to a comparison with TLD measurements in anthropomorphic phantoms or a comparison of different dosimetry tools using computational ...
Gwenny Verfaillie   +2 more
doaj   +2 more sources

A comparison of pediatric and adult CT organ dose estimation methods [PDF]

open access: yesBMC Medical Imaging, 2017
Background Computed Tomography (CT) contributes up to 50% of the medical exposure to the United States population. Children are considered to be at higher risk of developing radiation-induced tumors due to the young age of exposure and increased tissue ...
Yiming Gao   +9 more
doaj   +2 more sources

Ionizing radiation and volumetric mammographic density

open access: yesInternational Journal of Occupational Medicine and Environmental Health, 2022
Objectives Mammographic density (MD) refers to the percentage of dense tissue of an entire breast and was proposed to be used as a surrogate marker for breast cancer.
Beata Pepłońska   +3 more
doaj   +1 more source

Thyroid abnormalities and influencing factors in medical radiology workers in Guangdong Province

open access: yes环境与职业医学, 2023
BackgroundThe thyroid gland is one of the organs sensitive to ionizing radiation, and there are few studies on the effects of long-term exposure to low doses of ionizing radiation on the thyroid gland of radiation workers. ObjectiveTo investigate thyroid
Xiaolian LIU   +9 more
doaj   +1 more source

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