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One hundred and ninety nine cholescintigrams were performed at our hospital between January 1993 and December 1998. Of these, 96 were performed as part of the investigation of right upper quadrant or epigastric pain in patients whose prior biliary ultrasound scans had shown no abnormalities. In this group of patients, 60 cholescintigrams were reported as normal, 28 as abnormal and eight as equivocal. A review of the case notes for this group was made, with 91 out of 96 case notes being retrieved. Thirteen of the 58 (22%) patients with normal cholescintigrams either underwent or had been offered cholecystectomy, compared with 22 of the 27 (81%) with 'definitely abnormal' cholescintigrams. Of the subset of patients with abnormal cholescintigrams subsequently undergoing cholecystectomy, 16 out of 18 were found to have histologically abnormal gallbladders, while 11 out of 18 reportedly had their symptoms cured or improved. A fatty meal is used in our unit as the stimulus to gallbladder contraction, in contrast to the majority of papers published in the literature. We believe that the use of a fatty meal is acceptable and that the use of intravenous exogenous cholecystokinin is probably best reserved for the small group of patients with equivocal scintigrams who may require further investigation.