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Clinical evaluation of a new set of image quality criteria for mammography.

Journal article
Authors B Hemdal
I Andersson
M Ruschin
Anne Thilander-Klang
S Börjesson
A Tingberg
S Mattsson
Markus Håkansson
Magnus Båth
Lars Gunnar Månsson
J Medin
F Wanninger
W Panzer
Published in Radiation protection dosimetry
Volume 114
Issue 1-3
Pages 389-94
ISSN 0144-8420
Publication year 2005
Published at Institute of Selected Clinical Sciences, Department of Radiation Physics
Pages 389-94
Language en
Links dx.doi.org/10.1093/rpd/nch573
Keywords Europe, Evaluation Studies, Female, Humans, Image Processing, Computer-Assisted, Mammography, instrumentation, methods, standards, Models, Statistical, Radiation Dosage, Radiographic Image Enhancement, methods, Radiographic Image Interpretation, Computer-Assisted, methods, Radiographic Magnification, Radiology, instrumentation, standards, Technology, Radiologic, X-Ray Intensifying Screens
Subject categories Radiological physics, Radiology

Abstract

The European Commission (EC) quality criteria for screen-film mammography are used as a tool to assess image quality. A new set of criteria was developed and initially tested in a previous study. In the present study, these criteria are further evaluated using screen-film mammograms that have been digitised, manipulated to simulate different image quality levels and reprinted on film. Expert radiologists have evaluated these manipulated images using both the original (EC) and the new criteria. A comparison of three different simulated dose levels reveals that the new criteria yield a larger separation of image criteria scores than the old ones. These results indicate that the new set of image quality criteria has a higher discriminative power than the old set and thus seems to be more suitable for evaluation of image quality in mammography.

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