胃肠道间质瘤的临床研究

被引:8
作者
张威 [1 ]
叶再元 [1 ]
邵钦树 [1 ]
赵仲生 [2 ]
王跃东 [1 ]
许晓东 [1 ]
机构
[1] 浙江省人民医院普通外科
[2] 浙江省人民医院病理科
关键词
胃肠道间质肿瘤; 临床病理; 外科手术;
D O I
暂无
中图分类号
R735 [消化系肿瘤];
学科分类号
100112 [医学生物化学与分子生物学];
摘要
目的探讨胃肠道间质瘤(GIST)临床病理特点、手术治疗及预后。方法对1997年4月至2008年6月间84例手术切除的GIST患者的临床病理资料进行回顾性分析,并评价预后。结果 84例GIST位于胃42例,小肠24例,食管5例,直肠6例,胃肠道外7例:肿瘤直径(5.6±4.8)cm,肿瘤组织免疫组织化学检测CD117阳性表达率为96.4%。79例行肿瘤完全切除,5例行姑息切除或肿瘤活检。78例获随访患者1、3、5年生存率分别为92.0%、79.2%和72.0%,根据肿瘤直径和核分裂像计数分级的Fletcher恶性程度风险分级与生存率有密切关系(P<0.01),极低度风险组、低度风险组生存率与高度风险组生存率间差异有统计学意义(P值分别为0.003及0.000)。结论 GIST的Fletcher分级与患者术后生存率有关。对高度风险者,需积极施行切除范围较大的手术。
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