Image quality vs radiation dose for a flat-panel amorphous silicon detector: a phantom study
2001 (English)In: European Radiology, ISSN 0938-7994, E-ISSN 1432-1084, Vol. 11, no 9, 1704-1709 p.Article in journal (Refereed) Published
The aim of this study was to investigate the image quality for a flat-panel amorphous silicon detector at various radiation dose settings and to compare the results with storage phosphor plates and a screen-film system. A CDRAD 2.0 contrast-detail phantom was imaged with a flat-panel detector (Philips Medical Systems, Eindhoven, The Netherlands) at three different dose levels with settings for intravenous urography. The same phantom was imaged with storage phosphor plates at a simulated system speed of 200 and a screen-film system with a system speed of 160. Entrance surface doses were recorded for all images. At each setting, three images were read by four independent observers. The flat-panel detector had equal image quality at less than half the radiation dose compared with storage phosphor plates. The difference was even larger when compared with film with the flat-panel detector having equal image quality at approximately one-fifth the dose. The flat-panel detector has a very favourable combination of image quality vs radiation dose compared with storage phosphor plates and screen film.
Place, publisher, year, edition, pages
2001. Vol. 11, no 9, 1704-1709 p.
Medical and Health Sciences
IdentifiersURN: urn:nbn:se:liu:diva-26902DOI: 10.1007/s003300100851Local ID: 11526OAI: oai:DiVA.org:liu-26902DiVA: diva2:247452