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논문 기본 정보

자료유형
학술저널
저자정보
이진화 (동아의료원 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제35권 제4호
발행연도
1996.1
수록면
523 - 529 (7page)

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Purpose : To evalvate the role of double-phase spiral CT for T staging of gastric cancers withradiologic-pathologic correlation. Materials and Methods : Double-phase spiral CT images of 44 patients of gastriccancers proved by pathologic examination were retrospectively evaluated. We retrospectively classified spiral CTimages of gastric cancers ; classification was from S 0 to S 4 and was based on the degree of change in threemultilayered patterns shown in normal gastric wall and whether or not tumor cells had invaded perigastric fattissue. Pathologic classification was based on the T staging of TNM classification for gastric cancers, and wethen correlated these results. Results : In group S1, all of three cases(100%) were proved to be T1 and in groupS2, five(45.5%) of 11 cases were T2. Of five cases with S3 CT findings, three(60%) were proved to be T3s andtwo(40%) were T2. Of 22 cases with S4 CT findings, 19(86.4%) were T3p. Overall sensitivity, specificity, andaccuracy were 60.3%, 88. 5%, and 86.9%, respectively. In 35 (79.5%) of the total of 44 cases, the lesions weremore enhanced on venous than on arterial phase. Conclusion : The accuracy of double-phase spiral CT for T stagingof gastric cancers was 86.9%, and in contrast to previous results for conventional or dynamic CT, this level ofaccuracy was thought to be relatively high. In conclusion, double-phase spiral CT images of gastric cancers werehelpful in the diagnosis of T staging.

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