id:"swepub:oai:DiVA.org:liu-21487"
Sökning: id:"swepub:oai:DiVA.org:liu-21487" > Dose and image qual...
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- Persliden, JanÖstergötlands Läns Landsting,Linköpings universitet,Radiofysik,Hälsouniversitetet,Radiofysikavdelningen (författare)
Dose and image quality in the comparison of analogue and digital techniques in paediatric urology examinations.
- Artikel/kapitelEngelska2004
Förlag, utgivningsår, omfång ...
- Springer Science and Business Media LLC,2004
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:liu-21487
- https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-21487URI
- https://doi.org/10.1007/s00330-003-2144-9DOI
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- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
Klassifikation
Anmärkningar
- In paediatric radiology it has been recognised that children have a higher risk of developing cancer from the irradiation than adults (two to three times); therefore, increased attention has been directed towards the dose to the patient. In this study the effect on patient dose and image quality in replacing the exposure in micturating cystourethrography (MCUG) examinations with the stored fluoroscopy image has been investigated. In the intravenous urography (IVU) examination we compared analogue and digital image quality, but the dose measurements were performed on a phantom. Standard clinical X-ray equipment was used. Sixty-eight patients in each of two centres were studied for the MCUG. Doses were measured with a dose-area product (DAP) meter and the image quality was scored. A non-parametric statistical analysis was performed. For the IVU, a phantom was used in the dose measurements but clinical images were scored in the comparison between analogue and digital images. For the MCUG, replacing the exposure with stored fluoroscopy images lowered the DAP value from 0.77 to 0.50 Gy cm2. The image quality did not show any difference between the techniques; however, if reflux was to be graded, exposure was needed. For the IVU, the doses could be lowered by a factor of 3 using digital techniques. The image quality showed no statistical difference between the two techniques. There is a potential for a substantial dose reduction in both MUCG and IVU examinations using digital techniques.
Ämnesord och genrebeteckningar
- Radiation dose - Image quality - Paediatric radiology - Urology
- MEDICINE
- MEDICIN
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Helmrot, EbbaRyhov Hospital (författare)
- Hjort, PerRyhov Hospital (författare)
- Resjö, MargaretaLinköpings universitet,Medicinsk radiofysik,Hälsouniversitetet (författare)
- Linköpings universitetRadiofysik (creator_code:org_t)
Sammanhörande titlar
- Ingår i:European Radiology: Springer Science and Business Media LLC14:4, s. 638-6440938-79941432-1084
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- Persliden, Jan
- Helmrot, Ebba
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- Resjö, Margareta
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- Linköpings universitet
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