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논문 기본 정보

자료유형
학술저널
저자정보
김춘열 (가톨릭의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제16권 제2호
발행연도
1980.1
수록면
385 - 390 (6page)

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The purpose of this investigation is to distinguish hepatomas form the liver abscess by hepatic scintiangiography using Anger cameral system. nity-five patients were imaged by Gamma camera system in St, Mary's Hospital, Catholic Medical College between May1979 and January 1980 and their medical records ere reviewed in detail. Of a total of 95 patients 38 patients were proved by histology. The patients were placed supine under Gamma camera detector head to view the anterior projection of the liver and spleen. Following an intravenous bolus injection of 10mCi Tc -99m-phytate in a volume of 3~4 ml, rapid sequential imaging 1 second duration was obtained for 16 and 30 seconds, and recorded 16 to 30 images in one film. The 4~5 scilntigraphic images obtained form the time of the first appearance of radioactivity in the abominal aorta until its disappearnce form the abominal aorta were classified as the arterial phase of the study. In normal arterial phase, these is little or no r dioactivity in the hepatic bed, compared to the lungs, heart and right kidney. When a radioactiveity (early arerial stanining ) is depicted in the hepatic bed in the arterial phase of the scintiangiography, neoplastic condition is highly suggested. Hepatoma (47 cases) and metastasis (4cases) show that extremely high concentration of radio concentration of radioactivity (early arterial staining ) was noted in arterial phase in 44 cases and equivocal in 7 cases. A total of early arterial staining in converted into the cold area in the static liver imaging . This early arterial staining is though to be due definitely to neovascularization and feeding arteries of tumors. Liver abscess (4 cases) shows that appearance of radioactivity in the hepatic scintiangiogram as a wholewas normal, except for reactive rim of hyperemia in arterial and early venous phases, but the area identified on the static liver umaging as a cold area. The hepatic scintiangiography plus static liver imaging using amma camera system is very new diagnostic technique and proved effective in diagnosing hepatoma, metastasis and liver abscess. These findings are able to use as an aid indifferential diagnosis of space-occupying lesions of the liver. We suggests that this test is therefore absoulutely useful in differentiating abscess or cyst form neoplastic condition of the liver.

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