P C Shrimpton

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This report presents the results of a study of frequency and collective dose for medical and dental X-ray examinations in the UK in 2008. The frequency data were collected from the radiology information systems (RIS) at a sample of 29 NHS Trusts in England. The total number of medical and dental X-ray examinations carried out in the UK, both inside and(More)
A new UK computed tomography (CT) survey has provided a useful snapshot of patient doses for 2003. Scan details for nearly 850 standard protocols and 2,000 individual patients relating to 12 common CT examinations on adults and children were collected by questionnaires voluntarily submitted by a widely-distributed sample of 126 scanners. This represented(More)
What challenge? CT has developed dramatically: scanning is faster, images are better, applications have grown and, of course, radiation doses have come down, have they not? Well, no, actually; quite the contrary in fact. When CT was new it was appreciated that it was a relatively high dose technique but there was overriding clinical justification for using(More)
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