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

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Sammanfattning

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.
Originalspråkengelska
Titel på värdpublikationRadiation Measurements
FörlagElsevier
Sidor1248-1251
Volym46
DOI
StatusPublished - 2011
EvenemangInternational Workshop on Optimization of Radiation Protection of Medical Staff (ORAMED) - Barcelona, Spanien
Varaktighet: 2011 jan. 202011 jan. 22

Publikationsserier

Namn
Nummer11
Volym46
ISSN (tryckt)1879-0925
ISSN (elektroniskt)1350-4487

Konferens

KonferensInternational Workshop on Optimization of Radiation Protection of Medical Staff (ORAMED)
Land/TerritoriumSpanien
OrtBarcelona
Period2011/01/202011/01/22

Ämnesklassifikation (UKÄ)

  • Radiologi och bildbehandling

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