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논문 기본 정보

자료유형
학술저널
저자정보
김경아 (고려대학교 의과대학 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제35권 제4호
발행연도
1996.1
수록면
585 - 589 (5page)

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초록· 키워드

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Purpose : To evaluate the efficacy of each phases in two and three phase spiral CT in the detection ofpancreatic adenocarcinoma. Materials and Methods : Two phase spiral CT images of 18 patients and three phasespiral CT images of 12 patients with pathologically-proven pancreatic ductal adenocarcinoma were retrospectivelycompared. Using a single spiral scan, images of early and delayed phases were obtained at 43 seconds and 2 ~ 3minutes respectively initiating the after administration of 100-120 cc of contrast material (2 ~ 3 cc/sec), Images of arterial, portal and delayed phases were also obtained at 25 and 60 seconds, and 3 ~ 4 minutes, respectively, by the use of a double spiral scan. CT scans were performed with 10 mm collimation at 1 : 1 pitchtable speed. Contrast between the tumor and adjacent pancreatic parenchyma were compared and graded andenhancement pattern of the tumor were analysed together. Results : In 12 patients (66.7%), images of the earlyphase were superior to those of the delayed phase. images of the portal phase were superior to those of thearterial phase. Enhancement of tumor was seen in four patients ; all tumors were less than 3cm in size. Conclusion: The early phase of two phase spiral CT is superior to the delayed phase and the portal phase of three phasespiral CT is superior to the arterial phase. Both arterial and portal phases are superior to the delayed phase.

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