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肿瘤细胞增殖活性与肿瘤的生物学行为密切相关[1]。我们应用免疫组化方法显示非何杰金氏淋巴瘤组织细胞中的增殖细胞核抗原（ProliferatingCellNuclearAntigen，PCNA），探讨肿瘤细胞增殖活性同肿瘤化疗疗效、复发和预后的关系。1．材料和方法1．1临床资料我院1990年12月至1994
Tumor cell proliferation and tumor biological activity is closely related to [1]. We used immunohistochemistry to show Proliferating Cell Nuclear Antigen (PCNA) in non-Hodgkin’s lymphoma tissue cells to investigate the relationship between tumor cell proliferative activity and the efficacy, recurrence and prognosis of tumor chemotherapy. 1. Materials and methods 1.1 Clinical data Our hospital December 1990 to 1994