【摘 要】
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目的 探讨BRAFV600E基因突变与甲状腺乳头状微小癌(papillary thyroid microcarcinoma,PTMC)预后影响因素的关系.方法 采用荧光定量PCR法检测86例PTMC组织样本中BRAFV600E基
【机 构】
：
哈尔滨医科大学附属第二临床医院普外四科 黑龙江哈尔滨150086
论文部分内容阅读
目的 探讨BRAFV600E基因突变与甲状腺乳头状微小癌(papillary thyroid microcarcinoma,PTMC)预后影响因素的关系.方法 采用荧光定量PCR法检测86例PTMC组织样本中BRAFV600E基因的突变情况,并对BRAFV600E基因突变与PTMC的临床病理特征的关系进行单因素及多因素logistic回归分析.结果 86例PTMC样本中56例出现了BRAFV600E基因突变,其突变发生率为65.1％.单因素分析结果显示,BRAFV600E基因突变与淋巴结转移有一定的相关趋势(P=0.057);多因素分析结果显示,BRAFV600E基因突变与淋巴结转移具有相关性(P＜0.05).肿瘤直径＞5 mm但≤10 mm时,BRAFV600E基因突变的情况对淋巴结转移无影响(P＞0.05);当BRAFV600E基因突变阴性患者的肿瘤直径≤5 mm时,未出现淋巴结转移病例.结论 BRAFV600E基因突变是PTMC中央区淋巴结转移风险的独立预测因子.对术前检测到BRAFV600E基因突变阳性者,应重视中央区淋巴结清扫的重要性,并应常规清扫该区域淋巴脂肪组织.但当BRAFV600E基因突变阴性患者的肿瘤直径≤5 mm时,应重新审视预防性中央区淋巴结清扫的必要性.
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