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Estimation of foetal radiation dose to occupationally exposed staff in diagnostic radiology and nuclear medicine.
Stockholm University, Faculty of Science, Medical Radiation Physics (together with KI).
2006 (English)Independent thesis Basic level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The protection of the unborn child in pregnant women from ionizing radiation is very important because the foetus is particularly sensitive to the effects of radiation. In case of pregnant members of staff working with ionising radiation, the unborn child is treated as a member of the general public, and a dose limit of 1 mSv during pregnancy is applied in order to protect the foetus.

The purpose of this work was to collect relevant information on exposure conditions and entrance doses of occupationally exposed workers in diagnostic radiology and nuclear medicine, and to give guidelines on how to estimate foetal doses for pregnant staff in such workplaces.

With X-ray procedures, an accumulated dose of 2 mSv during pregnancy, measured on the trunk (breast or waist) and behind a lead apron, is sufficient to ensure a foetal dose below 1 mSv. For staff working with nuclear medicine, the corresponding limit is 1.5 mSv taking into account external exposure from 99mTc. When internal contamination cannot be neglected, additional precautions need to be considered.

Place, publisher, year, edition, pages
2006. , 28 p.
Keyword [en]
Personal doses, diagnostic radiology, nuclear medicine
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
URN: urn:nbn:se:su:diva-7218OAI: oai:DiVA.org:su-7218DiVA: diva2:197878
Presentation
2006-08-24
Uppsok
medicin
Supervisors
Examiners
Available from: 2007-11-22 Created: 2007-11-22Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf