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The British Journal of Radiology, Vol 70, Issue 839 1131-1138, Copyright © 1997 by British Institute of Radiology

ARTICLES

A comparison of image quality on 28 mammography X-ray sets in the UK

J Law
Edinburgh University Department of Medical Physics and Medical Engineering, Western General Hospital, UK.

Image quality has been assessed using three different phantoms on 28 mammographic X-ray units in the National Health Service Breast Screening Programme within the UK. The results show only relatively minor differences between different models of X-ray unit and between the 14 associated film processors, but more marked differences between different film-screen combinations. Medium screens give significantly lower image quality scores than fine screens from the same manufacturer. It is suggested that, to improve mammographic image quality, a change of screen type may bring greater benefit than a change of X-ray set model, as well as being much more cost effective.




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Copyright © 1997 by the British Institute of Radiology.