Radical pancreatectomy: postoperative evaluation by CT.

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Abstract
Patients (24) who had undergone radical pancreatic resection were evaluated by CT [computed tomography] 1 wk to 11 yr after surgery. Of these, 18 patients had the Whipple procedure and 6 had total pancreatectomy. The region between the aorta and superior mesenteric artery, previously occupied by the uncinate process of the pancreas, is an important area to evaluate for tumor recurrence because periampullary tumors tend to metastasize to the lymph nodes in this region. Tumor recurrence here is readily detectable by CT since radical pancreatectomy leaves this area free of soft tissue attenuation material. Administration of glucagon prior to CT scanning helps fill the afferent jejunal loop with oral contrast material, and thus helps define right upper quadrant anatomy. CT demonstrated postoperative complications or tumor recurrence in 16 of the 24 patients, and was 100% accurate in patients who had follow-up.

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