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Eye lens dosimetry for interventional procedures - Relation between the absorbed dose to the lens and dose at measurement positions

Geber, Therese LU ; Gunnarsson, Mikael LU and Mattsson, Sören LU (2011) International Workshop on Optimization of Radiation Protection of Medical Staff (ORAMED) 46(11). p.1248-1251
Abstract
This study investigated the relationship between the absorbed dose to the lens of the eye and the absorbed dose at different measurement positions near the eye of interventional radiologists. It also visualised the dose distribution inside the head, both when protective eyewear were used and without such protection. The best position for an eye lens dosimeter was found to be at the side of the head nearest to the radiation source, close to the eye. Positioning the dosimeter at the eyebrow could lead to an underestimation of the lens dose of as much as 45%. The measured dose distribution showed that the absorbed dose to the eye lenses was high compared to the other parts of the head, which stresses the importance of wearing protective... (More)
This study investigated the relationship between the absorbed dose to the lens of the eye and the absorbed dose at different measurement positions near the eye of interventional radiologists. It also visualised the dose distribution inside the head, both when protective eyewear were used and without such protection. The best position for an eye lens dosimeter was found to be at the side of the head nearest to the radiation source, close to the eye. Positioning the dosimeter at the eyebrow could lead to an underestimation of the lens dose of as much as 45%. The measured dose distribution showed that the absorbed dose to the eye lenses was high compared to the other parts of the head, which stresses the importance of wearing protective eyewear. However, many models of eyewear were found to be deficient as the radiation could slip through at several places, e.g. at the cheek. The relationship between the absorbed dose to the lens and the kerma-area-product (P-KA) delivered to the patient was also studied. (C) 2011 Elsevier Ltd. All rights reserved. (Less)
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author
; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Eye lens dose, Occupational exposure, Interventional radiology, Protective eyewear
host publication
Radiation Measurements
volume
46
issue
11
pages
1248 - 1251
publisher
Elsevier
conference name
International Workshop on Optimization of Radiation Protection of Medical Staff (ORAMED)
conference location
Barcelona, Spain
conference dates
2011-01-20 - 2011-01-22
external identifiers
  • wos:000297881400013
  • scopus:80055098421
ISSN
1350-4487
1879-0925
DOI
10.1016/j.radmeas.2011.07.028
language
English
LU publication?
yes
id
d9ce458f-9d6c-40ea-b369-c202d38fbd82 (old id 2279065)
date added to LUP
2016-04-01 11:09:40
date last changed
2024-04-08 02:20:51
@inproceedings{d9ce458f-9d6c-40ea-b369-c202d38fbd82,
  abstract     = {{This study investigated the relationship between the absorbed dose to the lens of the eye and the absorbed dose at different measurement positions near the eye of interventional radiologists. It also visualised the dose distribution inside the head, both when protective eyewear were used and without such protection. The best position for an eye lens dosimeter was found to be at the side of the head nearest to the radiation source, close to the eye. Positioning the dosimeter at the eyebrow could lead to an underestimation of the lens dose of as much as 45%. The measured dose distribution showed that the absorbed dose to the eye lenses was high compared to the other parts of the head, which stresses the importance of wearing protective eyewear. However, many models of eyewear were found to be deficient as the radiation could slip through at several places, e.g. at the cheek. The relationship between the absorbed dose to the lens and the kerma-area-product (P-KA) delivered to the patient was also studied. (C) 2011 Elsevier Ltd. All rights reserved.}},
  author       = {{Geber, Therese and Gunnarsson, Mikael and Mattsson, Sören}},
  booktitle    = {{Radiation Measurements}},
  issn         = {{1350-4487}},
  keywords     = {{Eye lens dose; Occupational exposure; Interventional radiology; Protective eyewear}},
  language     = {{eng}},
  number       = {{11}},
  pages        = {{1248--1251}},
  publisher    = {{Elsevier}},
  title        = {{Eye lens dosimetry for interventional procedures - Relation between the absorbed dose to the lens and dose at measurement positions}},
  url          = {{http://dx.doi.org/10.1016/j.radmeas.2011.07.028}},
  doi          = {{10.1016/j.radmeas.2011.07.028}},
  volume       = {{46}},
  year         = {{2011}},
}