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논문 기본 정보

자료유형
학술저널
저자정보
김충현 (충남의대 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제23권 제5호
발행연도
1987.1
수록면
853 - 860 (8page)

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Accurate staging of bladder cancer is the important factor affecting its management and prognosis. Clinical staging of bladder cancer consists of cystoscopic biopsy and vimanual examination during anesthesia, but this is crude and has a high rate of error. More recently, computed tomography and ultrasonography have been new means for the noninvasive staging of bladder cancer. CT is shown to be fairly accurate in demonstrating extramural tumor extension, but it tends to overstage and cannot differentiate between mucosal and muscular involvement because of its limited tissue specificity. However, US may be able to differentiate between mucosal and muscular involvement because of its high tissue specificity, and can easily provide information about involvement because of its high tissue specificity, and can easily provide information aout involvement of prostate or seminal vesicles. RESULTS : 1. Overall accuracy of CT staging in bladder cancer was77%. 2. In 15 cases of CT stage B or less cancer, 14 were correct, but it was impossible to differentiate between stage O & A, B1 or B2. 3. In 7 cases of CT stage C cancers, 3 were correct, and in 4 cases of CT stage D cancers, 3 were correct. 4. Overall accuracy of US staging in bladder cancer was 69%. 5. In 8 cases of US stage B2 or less cancers, 5 were correct, and it was possivle to differentiate batween stage O & A, B1 or B2. 6. In 3 cases of US stage C cancers, 2 were correct, and in 2 cases of US stageD cancers, 2 were correct. As a result, authors considered US as a valuable addition to CT in staging of bladder cancer.

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