Gallium-67 citrate in detecting recurrent rectal carcinoma after abdomino-perineal resection

In a retrospective study we have found gallium-67 citrate imaging of the abdomen to be a value in detecting pelvic recurrence of carcinoma of the rectum after abdomino-perineal excision. In this context the technique proved to have an accuracy of 83%, sensitivity of 82% and specificity of 83%.