肝疾患におけるCTの有用性--CTとシンチグラフィ-の比較検討

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In 77 cases with liver disease which were diagnosed after several examinations, computed tomography (CT) and radionuclide scintigraphy (RNS) were evaluated. Tumorous lesions were found in about 70 % of all cases by RNS : 12 primary liver cancers, 21 metastic liver cancers and 15 liver cysts. Their detectability by CT (95 %) was supeior to that by RNS (70 %) . In scintigraphy, some cases with small sized lesions tended to be misinterpreted as diffuse inhomogeneous images, and circumferential lesions were often misinterpreted as liver deformities. In CT, the difference between primary liver cancer and metastic liver cancer could not be detected in some cases, and some diffusely invaded cancerous lesions were overlooked. Liver cystic lesions could be seen as well circumscribed low density areas. CT was a very useful tool for detection of liver cysts. In the cases of diffuse liver diseases, 20 liver cirrhosis and 9 hepatitis, CT did not reveal superior information to that by scintigraphy. The combination of these two methods brought about higher detectability of liver lesions, and therefore, is very effective as a means of diagnosis.
学校法人昭和大学・昭和医学会の論文