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논문 기본 정보

자료유형
학술저널
저자정보
최영희 (세종병원 방사선과)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제23권 제6호
발행연도
1987.1
수록면
907 - 924 (18page)

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초록· 키워드

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To evaluate the computed tomographic findings of pulmonary infarction, an experimental study was carried out using a total of 39 rabbits. Pulmonary embolization was performed with silk suture material and polyvinyl alcohol bytransfemoral catheterization. Sequential plain chest radiography and computed tomography were performed during 5 week period after embolization. The rabbits were sacrificed and soft tissue radiography, computed tomography and pathological examination of lung specimen fixed by inflation fixation technique were made. RESULTS : 1. Computed tomography was more sensitive than plain chest radiographyin detecting pulmonary infarction. 2. Characteristic CT finding was pleural based wedge shaped lesion which was noted in 57.1%, and the lesion without broad pleural base was noted in 7.1%. 3. The parenchymal lung lesion noted in CT was detected in CT immediately after embolization and the incidence increased until 5 days and then decreased gradually. 5. Hounsfield nu ber did not provide additional significant information in diagnosis of pulmonary infarction. 6. Computed tomography proves to be an useful modality in the diagnosis of pulmonary infarction with sensitiviety of 88%, specificity of 80% and diagnostic accuracy of 86.7%.

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