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KMID : 0390119950350020153
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Journal of Pusan Medical College
1995 Volume.35 No. 2 p.153 ~ p.156
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Extracapsular Invasion of Hepatocellular Carcinoma: CT Findings
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Abstract
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The purpose of this study was to examine whether CT imaging can detect extracapsular invasion of hepatocellular carcinoma(HCC) and, if this is possible, to determine its characteristic signs on CT images. Tirty-eight patient with small HCC(≤3.0
cm
in
diameter) were studied to correlate the findings in surgically resected specimens with the findings on CT images. Ten of 38 patients had histologically proved extracapsular invasion of HCC. Of these 10 patients with extracapsular invasion,
partial
projections of the tumor into the surrounding area and satellate nodules in the immediate vicinity of the tumor were observed in 5 patient on postcontrast CT images, Partial tumor projection or satellite nodules were not observed in patients
without
extracapsular invasion of HCC. The detection rate for these characteristic signs was 50% on CT. CT imaging were useful for detection of extracapsular invasion of HCC. The characteristic signs for extracapsular invasion of HCC were partial tumor
projection into the surrounding area nd satellate nodules in the immediate vicinity of the tumor.
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KEYWORD
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