Abstract
To determine current practice and opinion in relation to the ‘After Fatty Meal’ (AFM) film, a pre-coded questionnaire was sent to the radiology departments of all general hospitals with more than 150 beds in England and Wales. The response rate was 92 per cent. There is much variation in the technique for obtaining AFM films. Ten different ‘Fatty Meals’ are in use, though by far the most popular are an arachis oil emulsion (e.g. Prosparol) and a sorbitol-egg yolk (e.g. Biloptin Fatty Meal) preparation. The timing of the AFM film(s) is extremely variable, so that altogether at least 58 different techniques are in use. Nine out of 10 respondents regarded the AFM film as an essential or generally useful part of the examination, mainly because it can show the ducts and also previously ill-shown gallbladder lesions. Over a third of respondents regarded the demonstration of functional biliary tract disorders as an indication for the AFM film. It is suggested that the significance of absent gallbladder contraction is doubtful unless an optimal stimulus is used. The nature of this stimulus needs to be defined.
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