我们采用国外广泛应用的卢戈氏液染色法诊断食管早期癌及癌前病变 ,对 6 5例患者进行内镜下食管粘膜染色。为了证明卢戈氏液染色法诊断食管早期癌及癌前病变的重要价值 ,我们作了以下研究。1　材料和方法1.1　对象　本组 6 5例病人全部选自我院 2 0 0 0年 1月至 2 0 0 1年 6月 We used the Lurgol solution widely used in foreign countries to diagnose early esophageal cancer and precancerous lesions, and performed endoscopic esophageal mucosal staining on 65 patients. In order to prove the important value of Lurgotic fluid staining in the diagnosis of early esophageal cancer and precancerous lesions, we made the following research. 1 Materials and Methods 1.1 Object This group of 65 patients were selected from our hospital from January 2000 to June 2001