CT evaluation of carcinomas of the colon and rectum

Computed tomography (CT) has proved to be a powerful tool in the detection and staging of carcinomas of the colon and rectum. It is unsurpassed in the detection of recurrent colon cancer and is particularly useful in patients who have undergone abdominal-perineal resections for rectal neoplasms. The current applications of CT in colon cancer are contrasted with barium studies, endoscopy, and magnetic resonance imaging.