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近年来国内外学者研究已表明实体瘤细胞ＤＮＡ倍体类型与肿瘤发生、发展和预后有明显相关，有关鼻咽癌细胞ＤＮＡ 倍体类型研究的文章也有所报道［１～３］。但所采用标本多为石蜡组织块。作者应用流式细胞仪（ＦＣＭ）技术对放疗前的鼻咽癌活检新鲜组织进行ＤＮＡ倍体类型研究
In recent years, domestic and foreign scholars have shown that DNA ploidy type of solid tumor cells and tumor incidence, development and prognosis were significantly related to the nasopharyngeal carcinoma cell DNA ploidy type of articles have also been reported [1-3]. However, the specimens used were mostly paraffin blocks. The authors used flow cytometry (FCM) technology before radiotherapy nasopharyngeal biopsy fresh tissue DNA ploidy type