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July 28th, 2003, 16:25
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CT for Differentiation of Benign Versus Malignant Gastric Cancer: Accuracy = 65.8%
This study of 36 patients found that a gastric wall thickness of 1 cm or greater was 100% sensitive but only 42% specific for the determination of gastric cancer. Comment: the authors tried to find good CT criteria for differentiating benign from malignant gastric cancer, but were not successful. Depending on the criteria, either the sensitivity is high and the specificity is low, or the sensitivity is low and the specificity is high. In their population, the accuracy using the 1 cm wall thickness criteria, was 65.8%. There were 8 true positives, 13 false positives, 0 false negatives, and 17 true negatives. Accuracy rate was thus 25/38 = 65.8%
[ Radiology -- Abstracts: Insko et al. 228 (1): 166 ]
Last edited by sysadmin : July 28th, 2003 at 16:25.
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