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早期诊断食道癌,内镜检查中已加用了复方碘液喷洒(Lugol’s染色).常规内镜不能检出的早期鳞n状细胞癌如果应用Lugol’s染色则可以清楚地显n示,除了鳞癌外,lugol’s染色还可显示出食管上皮的某些病变,如不典型增生、萎缩、溃疡等.为了分析lugol’s染色类型与各种食管病变组织学之间的关系,作者对24份食道切除标本应用2%lugol液染色后进行了研究,染色分成四种类型:I级:强染色;Ⅱ级:正常棕绿色;Ⅲ级:弱染色;Ⅳ级:不染色;即不着色.
For the early diagnosis of esophageal cancer, endoscopic iodine spray (Lugol’s staining) has been added for endoscopy. Early squamous nude cell carcinoma that cannot be detected by conventional endoscopy can be clearly shown by Lug’s staining, except for squamous cell carcinoma. In addition, lugol’s staining can also show some lesions of the esophageal epithelium, such as atypical hyperplasia, atrophy, ulcers, etc. In order to analyze the relationship between lugol’s staining type and the histology of various esophageal lesions, the authors applied 24 esophagectomy specimens. After 2% lugol solution staining was studied, staining was divided into four types: grade I: strong staining; grade II: normal brown-green; grade III: weak staining; grade IV: no staining;