In a multicentre European trial, after training with 50 cases, non-experts were pretty good compared to experts at polyp measurement and size categorisation on CT colonography.
The non-experts, who had been trained on 50 cases, were radiologists and radiographers. The performance of non-expert radiologists and radiographers was about the same .
ECR 3/7/2005, B-696 Polyp measurement and size categorisation by CT colonography: Agreement with colonoscopy and effect of observer experience
D. Burling, &. ESGAR CT colonography study GROUP investigators; St. Mark's Hospital, London/GB
Here is the abstract
In Britain, we have radiographers trained to perform and report barium enemas, which they do to a high standard. Barium enemas will be obsolete in a few years' time.
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