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HOME > J Pathol Transl Med > Volume 31(3); 1997 > Article
Original Article The Correlation between the Proliferative Activity in Biopsied Specimen of Gastric Adenocarcinoma and the Pathologic Findings of Resected Specimen.
Hye Sun Kim, Jae Bok Lee, Se Min Kim, Jong Sang Choi, Han Kyeom Kim
Journal of Pathology and Translational Medicine 1997;31(3):211-218
DOI: https://doi.org/
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1Department of Pathology, College of Medicine, Korea University, Seoul 136-705, Korea.
2Department of General Surgery, College of Medicine, Korea University, Seoul 136-705, Korea.

Studies on the correlation between proliferative activity of biopsied specimen and pathologic findings of resected specimen have been carried out to find the prognostic factors. To estimate the proliferative activity, 100 cases of biopsied specimen of gastric adenocarcinoma were tested for the PCNA (proliferating cell nuclear antigen) and the AgNOR (argyrophilic nucleolar organizer region) by the immunohistochemical and histochemical stainings, respectively. The resected tumors classified by histologic type, differentiation, depth of invasion, and nodal metastatic status were followed by cell cycle analysis using flow cytometry. The PCNA LI (labelling index) were higher in well or moderately differentiated tumors (P<0.01) than the poorly differentiated ones and the aneuploid tumors (P<0.05) more than in diploid ones. However, there were no correlations among histologic types, depth of invasion, nodal metastatic status and PCNA LI. The AgNOR counts were higher in advanced tumor than in the EGC (early gastric cancer) (P<0.01). In cases with nodal metastasis, most of them showed the AgNOR counts higher than those without nodal metastasis. There were no correlations between the AgNOR counts and the DNA ploidy, histologic type, or differentiation. High PCNA LI and high AgNOR counts were shown in cases with advanced tumors (P=0.000) and nodal metastasis (P<0.05). No correlation was shown with the histologic type or differentiation. The results show that proliferative activity of the biopsied specimen of gastric adenocarcinoma is correlated with the differentiation and the invasion depth of resected specimen. Especially, better correlation is obtained by analyzing both the PCNA LI and the AgNOR counts than by analyzing each.

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