Method Numbers of lymphatic vessel density(LVD) and its positive unit(PU) in ESCC tissues from 49 cases were detected by the enzyme-histochemical method and the image analysis system.

• 方法采用酶组织化学法,检测49例食管鳞癌、癌旁及切端正常食管上皮组织中淋巴管的生成及定位特征,并应用图像分析方法测定淋巴管数量和阳性单位、及其与淋巴结癌转移的关系。