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有关凋亡发生率与肿瘤预后的关系目前存在两种说法:一种观点认为,凋亡率高者肿瘤发展速度慢,预后较好;另一种观点则认为凋亡率高者预后较差。国内学者对乳腺癌的研究发现,凋亡指数高的病例,无病生存率和总生存率均优于凋亡指数低的病例,但多因素分析未能提示凋亡指数是一个独立的预后指标〔3〕。本研究结果表明,凋亡指数高低不能影响颊癌的预后,当然,颊癌细胞凋亡与其预后的关系尚需进一步大样本研究。
作者单位:江宏兵(安徽芜湖皖南医学院戈矶山医院口腔颌面外科,241001) 廖小宜(华西医科大学口腔医学院) 李芃(华西医科大学口腔医学院)
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