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Flow Cytometric Analysis of the Nuclear DNA Content of Hepatocellular Carcinoma

Overview
Journal Jpn J Surg
Specialty General Surgery
Date 1989 Nov 1
PMID 2558244
Citations 5
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Abstract

The nuclear DNA content of 77 resected specimens from 65 cases of hepatocellular carcinoma (HCC) was measured by means of flow cytometry. The DNA index (DI) was calculated and the correlation between the DNA ploidy pattern and clinicopathological findings was studied. In the cases of HCC with a diameter of less than 5 cm, the 3-year survival rate of the aneuploid cases was 44.5 per cent, which was significantly lower than the 91.4 per cent of the diploid cases (p less than 0.001). Serum AFP levels were over 1000 ng/ml in 46.4 per cent of the aneuploid tumors and 18.5 per cent of the diploid tumors (p less than 0.05). The DI's were investigated in several sites of the same tumor and no difference was seen among the different sites in 16 out of 17 tumors. From 8 recurrent cases out of 12 who underwent a second resection, seven did not show any significant differences in DI from their primary tumor. On the other hand, four cases of second primary tumors showed different DI's to those of their first primary tumor. Intra-hepatic metastatic tumors exhibited the same DI's as their primary tumors. Thus, the nuclear DNA ploidy pattern may serve as a stable and valuable marker in predicting the malignant potential and prognosis of HCC.

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