摘要:目的探讨vimentin、Ki-67在透明细胞性肾细胞癌(clear cell renal cell carcinoma,CCRCC)组织中的表达及其与肿瘤微血管密度(Microvessel density,MVD)计数的关系。方法采用免疫组织化学SP法检测68例CCRCC和40例正常肾脏石蜡包埋组织中vimentin、Ki-67的表达和MVD计数。结果 CCRCC中vimentin阳性表达率为76.47%,Ki-67阳性表达率为89.71%,MVD计数为52.00±19.03;正常肾组织中小管上皮细胞Vimentin阳性表达率为10.00%,Ki-67阳性表达率为0,MVD计数为6.47±2.28。两组比较均有统计学意义(P〈0.05),且CCRCC病理分期及组织学分级越高,其vimentin、Ki-67的阳性表达率越高,MVD计数也越高。CCRCC中vimentin和Ki-67的阳性表达率与MVD计数呈正相关(P〈0.01)。结论 vimentin、Ki-67和MVD在CCRCC的发生发展中具有协同作用,联合检测有助于判断其生物学行为和预后。
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