Gmeinwieser, J. and Feuerbach, S. and Hohenberger, W. and Albrich, H. and Strotzer, M. and Hofstädter, Ferdinand and Geissler, A. (1995) Spiral-CT in diagnosis of vascular involvement in pancreatic cancer. Hepato-gastroenterology 42 (4), pp. 418-422.
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BACKGROUND/AIMS: The purpose of this prospective study was to evaluate the efficacy of spiral-CT for the identification of portal venous, superior mesenteric artery and celiac trunk infiltration in the staging of pancreatic (n = 29) and periampullary (n = 6) cancers. MATERIALS AND METHODS: All patients were examined by contrast enhanced spiral-CT using a total volume of 240 ml contrast medium i.v. With a slice thickness of 5 mm and a table increment of 7 mm/sec a overlapping data set, representing a total volume of 21 cm, was covered. The images were reconstructed in 4 mm intervals. In 28 patients the spiral CT results were correlated with surgical findings. RESULTS: Regarding portal venous infiltration spiral-CT had a sensitivity of 91% (10/11), a specificity of 9.4% (16/17), a positive predictive value of 91% (10/11), a negative predictive value of 94% (16/17) and, an overall accuracy of 92.8% (26/28). Spiral CT correctly identified arterial involvement in 5 patients, and no false negative result compared to surgical findings was observed. CONCLUSIONS: These results indicate that spiral-CT reliably verifies occlusion, stenosis and encasement of the major peripancreactic vessels caused by pancreatic cancer.
|Institutions:||Medicine > Lehrstuhl für Pathologie|
|Subjects:||600 Technology > 610 Medical sciences Medicine|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||11 Jun 2010 09:32|
|Last Modified:||11 Jun 2010 09:32|
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