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논문 기본 정보

자료유형
학술저널
저자정보
남명현 (한양대학교 의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제24권 제5호
발행연도
1988.1
수록면
833 - 839 (7page)

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초록· 키워드

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As a screening technique or for preoperative staging of the colorectal cancer the usefullness or role of CT still remains controversial. The study included retrospective analysis of 40 cases of proven colorectal cancer during last 2 years. the results were as follows.: 1. The age of patients ranged from 22 to 74 years 5th and 6th decades were over the half(52.5%) of the cases. 2. Rectum and sigmoid colon were the most frequently involved regions(23 cases 57.2%). Other areas were 9 cases of transverse colon and each 4 cases of ascending and descending colon. 3. In every cases the primary tumor was identified on CT as wall thickening. Diffuse wall thickening type was noted in 32 of 40(80%) cases. Remainings were each 4 cases of focal wall thickening type and discrete mass type. 4. Directly invaded organs were uterus (2 cases) and jejunum (1 case). 10 patients had distant metastasis and the liver were most frequent organ of involvement (9 of 10 cases). 5. Among 40 cases 34 cases were pathologically staged following surgery. CT results were compared and cor-related with modified Duke's classification. CT correctly staged 19(55.9%) and understaged 14 (41.2%) of 34 cases. 6. For the evaluation of local extension CT accuracy was 73.5% sensitivity and 50% specificity. 7. For the diagnosis of lympy node metastasis CT accuracy was 82.4% with 70% sensitivity and 100% specificity.

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