Corneal dose reduction using a bismuth-coated latex shield over the eyes during brain SPECT/CT

N Matsutomo, M Fukunaga, H Onishi… - Journal of Nuclear …, 2017 - Soc Nuclear Med
This study aimed to determine whether a bismuth-coated latex shield (B-shield) could
protect the eyes during brain SPECT/CT. Methods: A shield containing the heavy metal …

Radioprotection to the eye during CT scanning

KD Hopper, JD Neuman, SH King… - American journal of …, 2001 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The lens of the eye is sensitive to radiation. Children
undergoing CT of the head and patients undergoing repeated CT scanning of the head are …

Eye-lens bismuth shielding in paediatric head CT: artefact evaluation and reduction

M Raissaki, K Perisinakis, J Damilakis… - Pediatric …, 2010 - Springer
Background CT scans of the brain, sinuses and petrous bones performed as the initial
imaging test for a variety of indications have the potential to expose the eye-lens, considered …

Reducing absorbed dose to eye lenses in head CT examinations: the effect of bismuth shielding

A Ciarmatori, L Nocetti, G Mistretta, G Zambelli… - Australasian physical & …, 2016 - Springer
The eye lens is considered to be among the most radiosensitive human tissues. Brain CT
scans may unnecessarily expose it to radiation even if the area of clinical interest is far from …

[PDF][PDF] Assessing the image quality and eye lens dose reduction using bismuth shielding in computed tomography of brain

A Banaei, A Dadashi, SS Zakariaee… - Journal of Kerman …, 2018 - academia.edu
Background: Epidemiological studies show that computed tomography (CT) is one of the
main sources of ionizing radiations. Shielding of radiosensitive organs is one of the dose …

Eye radiation dose saving in head CT examinations using copper-bismuth radiation shield

M Keshtkar, B Blouri, A Mahmoudabadi… - Radiation Protection …, 2023 - academic.oup.com
The aim of the present study is to fabricate a new shield with an optimal combination of
copper and bismuth to protect the eyes in the head computed tomography (CT) …

[PDF][PDF] Reducing the radiation dose to the eye lens region during CT brain examination: the potential beneficial effect of the combined use of bolus and a bismuth …

CWK Lai, HY Cheung, TP Chan, TH Wong - Radioprotection, 2015 - scholar.archive.org
Objective: Computed Tomography (CT) is the leading contributor to medical exposure to
ionizing radiation. Although the use of CT brain scans for patients with head injuries and …

Dose reduction in CT using bismuth shielding: measurements and Monte Carlo simulations

KH Chang, W Lee, DM Choo, CS Lee… - Radiation protection …, 2010 - academic.oup.com
In this research, using direct measurements and Monte Carlo calculations, the potential
dose reduction achieved by bismuth shielding in computed tomography was evaluated. The …

Assessment of the Eye Lens Dose Reduction by Bismuth Shields in Rando Phantom Undergoing CT of the Head

PK Cho, YH Kim, IJ Choi, SG Chang… - Journal of …, 2008 - koreascience.kr
The aim of this study is to assess the dose reduction of eye lens and availability of bismuth
garments resulting from the use of radioprotective bismuth garments to shield the eyes of …

Assessment of patient dose reduction by bismuth shielding in CT using measurements, GEANT4 and MCNPX simulations

M Mendes, F Costa, C Figueira… - Radiation protection …, 2015 - academic.oup.com
This work reports on the use of two different Monte Carlo codes (GEANT4 and MCNPX) for
assessing the dose reduction using bismuth shields in computer tomography (CT) …