Abstract

背景与目的已有的研究表明新生淋巴管与多种肿瘤的进展和淋巴转移相关,本研究拟探讨非小细胞肺癌病灶内(旁)新生淋巴管密度及其受肿瘤侵袭状况对非小细胞肺癌的预后价值。方法选择特异性单克隆抗体D2-40标记新生淋巴管内皮细胞,以免疫组化方法检测79例Ⅱ期-Ⅲ期非小细胞肺癌病灶内及其中部分病灶旁新生淋巴管表达及其受侵状况,结合患者临床、病理及随访资料,判断其对患者预后的影响和评估价值。结果① 病灶内新生淋巴管密度:N2患者高于N0患者(P=0.015),新生淋巴管受侵患者明显高于未受侵患者(P=0.009),肺癌低分化明显高于高分化肺癌(P=0.007),腺癌高于鳞癌(P=0.025),患者生存率与之呈负性相关(P=0.007);②病灶旁新生淋巴管密度与预后无明显相关性;③N2肺癌病灶内新生淋巴管受侵多于N0肺癌;④病灶内和病灶旁新生淋巴管受侵患者的生存率低于未受侵患者。结论病灶内新生淋巴管密度是影响非小细胞肺癌患者预后的重要因素,可作为判断预后的指标。新生淋巴管受侵的预后意义值得关注。

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