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Undersökning av exponeringsindex för bildplattesystem inför optimeringsarbete
Linköping University, Department of Biomedical Engineering.
2004 (Swedish)Independent thesis Basic level (professional degree)Student thesisAlternative title
Examination of Exposure Indexes for Image Plate Systems before Optimization (English)
Abstract [sv]

The county hospital of Dalarna has for the last couple of years carried through a process of digitalization. The result is that within the county it exists image plate systems from two different manufacturers. In an attempt to create a tool for dose optimization and dose surveillance the county of Dalarna would like to investigate if the exposure index from Agfa and Fuji is suitable as a dose indicator. An investigation of the exposure index, S, from Fuji has already been done. This thesis has been continuing the investigation by evaluating the stability of the exposure index, lgM, from Agfa. Simultaneously an observation if there is a simple relation between the exposure indicators from Agfa and Fuji has been performed. The result showed that the average of lgM, for a set of images from the same type of examination, is appropriate as a dose indicator to the image plate for that specific examination type and X-ray equipment. The usefulness is linked to the same tube voltage and Speed Class for a specific examination, and is to a certain degree restricted by the collimating. There is a relation between the exposure index from Agfa and Fuji, and there is in a simple way possible to transform S-values to lgM-values for comparison. The relation turned out to be examination specific.

Place, publisher, year, edition, pages
Institutionen för medicinsk teknik , 2004.
Keyword [en]
Biotechnology, computed radiography, dose optimization, exposure index
Keyword [sv]
Bioteknik
National Category
Industrial Biotechnology
Identifiers
URN: urn:nbn:se:liu:diva-2477ISRN: LITH-IMT/BIT10-EX--04/363--SEOAI: oai:DiVA.org:liu-2477DiVA: diva2:19809
Uppsok
teknik
Available from: 2004-08-19 Created: 2004-08-19

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Industrial Biotechnology

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • 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