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The purpose of this study was to evaluate the usefulness of CTA technique in preoperative assessment of vessels involvement in gastric cancer. Angio-CT was done in 40 patients and the findings were compared with surgery. Ultravist (Schering, Germany) contrast medium was administered intravenously. CTA criteria for estimation of vessels drawing into tumors and the role of contrast enhancement in determining the degree of tumor invasion in vessels were demonstrated. Analysis of the angiograms has demonstrated that CTA has a sensitivity of 85,7%, specificity of 94%, accuracy of 89% in recognition of vessels tumor invasion. The use of CTA reduces indications for conventional angiography.
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