2012
DOI: 10.1016/j.ejrad.2011.03.051
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Eye lens radiation exposure and repeated head CT scans: A problem to keep in mind

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Cited by 32 publications
(21 citation statements)
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“…A study following pediatric patients who underwent repeated head CT examinations after cholesteatoma resection found that these patients received a level of radiation dose to the lens approximating the epidemiologic dose necessary for the development of lens opacities. 8 Advances in computers have facilitated the development of hardware capable of the computational power needed for the practical use of IR, and IR techniques are becoming increasingly used in the clinical setting. All of the major CT manufacturers have recently introduced IR algorithms for their respective CT units, which include ASIR (GE Healthcare, Milwaukee, Wisconsin), IRIS (Siemens, Erlangen, Germany), Adaptive Iterative Dose Reduction (Toshiba, Tochigi, Japan), and iDose (Philips Healthcare, Best, the Netherlands).…”
mentioning
confidence: 99%
“…A study following pediatric patients who underwent repeated head CT examinations after cholesteatoma resection found that these patients received a level of radiation dose to the lens approximating the epidemiologic dose necessary for the development of lens opacities. 8 Advances in computers have facilitated the development of hardware capable of the computational power needed for the practical use of IR, and IR techniques are becoming increasingly used in the clinical setting. All of the major CT manufacturers have recently introduced IR algorithms for their respective CT units, which include ASIR (GE Healthcare, Milwaukee, Wisconsin), IRIS (Siemens, Erlangen, Germany), Adaptive Iterative Dose Reduction (Toshiba, Tochigi, Japan), and iDose (Philips Healthcare, Best, the Netherlands).…”
mentioning
confidence: 99%
“…Összehasonlításképpen egy tengerentúli repülőút 0,05 mSv, egy mellkasröntgen 1 mSv, egy natívan és kontrasztanyaggal végzett koponya CTvizsgálat 4 mSv sugárterheléssel jár. Ugyanakkor a determinisztikus hatással ellentétben számos epidemiológiai és kísérletes vizsgálat a sztochasztikus hipotézis mellett áll ki, amely értelmében már jóval alacsonyabb sugárdó-zisok is okozhatnak szürke hályogot, küszöbsugárdózis-tól függetlenül [8]. Egy közelmúltban megjelent, nagy betegpopuláción végzett retrospektív vizsgálat szerint minél több fej-nyaki CT-vizsgálaton vesz részt egy beteg, annál nagyobb az esélye a szürke hályog kialakulásá-ra, továbbá már 4 koponya CT-vizsgálatot követően a szürke hályog kialakulásának szignifi kánsan nagyobb kockázatával kell számolni [9].…”
Section: Sugárterhelésunclassified
“…eye) might receive high levels of radiation in CT examinations. Due to the sensitivity of the lens of the eye, high doses of ionizing radiation are one of the risk factors for inducing cataract (Michel et al 2012). Clouding the eye lens, cataract impairs the vision (Ciraj-Bjelac et al 2010).…”
Section: Introductionmentioning
confidence: 99%