An evaluation of computed tomography dose index measurements using a pencil ionisation chamber and small detectors
The aim of this study was to compare the values of the computed tomography dose index
100 (CTDI 100) obtained using two small detectors (ie a small ionisation chamber and a …
100 (CTDI 100) obtained using two small detectors (ie a small ionisation chamber and a …
Development of a novel artifact-free eye shield based on silicon rubber-lead composition in the CT examination of the head
The aim of this work was to develop a novel artifact-free eye shield and evaluate its effect on
the dose received by the eye lens and the resulting image quality in the CT examination of …
the dose received by the eye lens and the resulting image quality in the CT examination of …
[HTML][HTML] Bismuth shield affecting CT image quality and radiation dose in adjacent and distant zones relative to shielding surface: A phantom study
Background To quantify image quality and radiation doses in regions adjacent to and distant
from bismuth shields in computed tomography (CT). Methods An American College of …
from bismuth shields in computed tomography (CT). Methods An American College of …
Development of a head CT dose index (CTDI) phantom based on polyester resin and methyl ethyl ketone peroxide (MEKP): a preliminary study
This paper aims to develop phantoms for measurement of computed tomography dose index
(CTDI) based on a polyester resin mixed with methyl ethyl ketone peroxide (MEKP) as …
(CTDI) based on a polyester resin mixed with methyl ethyl ketone peroxide (MEKP) as …
Location of radiosensitive organs inside pediatric anthropomorphic phantoms: data required for dosimetry
Purpose The aim of this study was to determine the location of radiosensitive organs in the
interior of four pediatric anthropomorphic phantoms for dosimetric purposes. Methods Four …
interior of four pediatric anthropomorphic phantoms for dosimetric purposes. Methods Four …
Assessment of commercially available in-plane bismuth breast shields for clinical use in patients undergoing thoracic computed tomography
Objective: We aimed to assess qualitatively the effects of a bismuth breast shield by
measuring image noise and computed tomography (CT) number changes with 0-, 1-, 2-, and …
measuring image noise and computed tomography (CT) number changes with 0-, 1-, 2-, and …
CT bismuth breast shielding: is it time to make your own decision?
J Zhang, ME Oates - Journal of the American College of Radiology, 2012 - jacr.org
The advent of CT revolutionized the practice of radiology. Since its introduction 40 years
ago, CT has evolved into an essential diagnostic imaging modality capable of providing …
ago, CT has evolved into an essential diagnostic imaging modality capable of providing …
Automatic tube current modulation for volume scan in a 320-detector row CT scanner
The xy plane combined with z-axis automatic tube current modulation (ATCM) technique is
one of the most comprehensive approaches to CT dose reduction because the radiation …
one of the most comprehensive approaches to CT dose reduction because the radiation …
Dosimetria em varreduras de tomografia computadorizada de cabeça e pescoço: uso de blindagem de bismuto de órgãos sensíveis
FS Santos - 2019 - repositorio.ufmg.br
As varreduras de tomografia computadorizada (TC) geralmente promovem uma exposição
à radiação maior que um exame de radiografia convencional. Logo, contribuem para o …
à radiação maior que um exame de radiografia convencional. Logo, contribuem para o …
Organ Dose Evaluation of Head Computed Tomography Scans Using a Male Anthropomorphic Phantom
FS Santos, WN Aburjaile, AP Mourão - Innovation, 2022 - innovationj.org
Computed Tomography (CT) has been one of the most used exams for radiologic diagnostic
in medicine. The increase in CT scans is a global concern due to the increase in radiation …
in medicine. The increase in CT scans is a global concern due to the increase in radiation …