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Proliferating Cell Nuclear Antigen : Relation to Histologic Grade and Prognosis
박은동,신승화 대한부인종양 콜포스코피학회 1995 Journal of Gynecologic Oncology Vol.6 No.3
The measurement of tumor cell proliferation is becoming increasingly recognized in defining prognostic groups. Proliferating cell nuclear antigen(PCNA) immunolocalization can be used as an index of cell proliferation and rnay define the extent of deppature from normal growth control. PCNA is considered to be maker of cell proliferation. The aim of this study was to evaluate the expression of PCNA in epithelial ovarian cancer as well as the possible correlation with degree of differentiation, tumor stage and overall survival. The material consisted of 35 epithelial ovarian cancer. The PCNA labelling index (LI) ranged from 7.5% to 92.5% with a median value of 46.7%. PCNA labelling index (LI) is 30% in grade 1, 63% in grade 2, and 100% in grade 3 in epithelial ovarian cancer(p$gt;0.05). Also, a positive correlation was found between PCNA labelling index (LI) and clinical stage (P$lt;0.05) The estimated 3 year survival in patients with a tumor LI below the median (low proliferative group) was higher than those with a tumor LI greater than the median(high proliferation group) (87.5% VS 50%, P$lt;0.05).
초기 자궁경부암에서 DNA 배수성 분석이 예후에 미치는 영향
박은동(ED Park),이영미(YM Lee),김원규(WK Kim),김홍열(HY Kim),장희경(HK Jang),허만하(MH Huh),김인선(HS Kim) 대한산부인과학회 1994 Obstetrics & Gynecology Science Vol.37 No.4
Prognostic value of flow cytometric DNA analysis was assessed for early cervical cancer patients (FIGO stage I & IIa) treated with radical abdominal hysterectomy and lymph node dissection. Flow cytometry was performed on archival paraffin-embedded tumor tissues of 38 subjects. 8 patients recieved radiotherapy post-operatively because ofthe presence of lymphnode metastasis at the time of initial surgery. 38 subjects were analized: 18 patients(47%) were categorized as DNA-aneuploidy and 20 (53%) patients were categorized as DNA. diploidy. 26 (68%) patients were in FIGO stage IB, 12(32%) in IIA. 8(21%) patients were found to have lymphnode metastasis at the time of initial surgery. 8(21%) patients recurred. There is no significant correlation between DNA-ploidy patterns and stage, differentiation, cell type or mitosis. Although the results are not significant statistically, aneuploidy tended to be more frequently observed in association with lymph node metastasis and recurrence. Overall 5 year disease-free survival for diloid and aneuploid were 79.72% and 67.57%, respectively.