Evaluation of the sensitivity of the double-contrast upper gastrointestinal series in the diagnosis of gastric cancer.

Objective: To evaluate the sensitivity, specificity and accuracy of the double-contrast upper gastrointestinal series (UGI series) in the diagnosis of gastric cancer.

Material And Method: The authors retrospectively reviewed the radiographs of the double-contrast UGI series for diagnosis of gastric cancer of 84 patients who had pathological confirmation by gastric biopsies and/or operations.

Results: The lesions were true positive in 45 patients, true negative in 28 patients, false positive in 8 patients and false nagative in 3 patients.