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食管癌有粘膜下浸润的特性,约50%的病例经血循和淋巴转移,故其生存率很低。但无淋巴转移者手术预后良好,提示尽早发现早期食管癌。应用改进的Lugol′s液涂于食管上皮对食管小的表面癌的诊断是成功的。作者等于1978年6月～1989年6月对178例头颈部癌无食管相关症状者作了普查。原发肿瘤部位:舌75例、口腔27例、咽40例、喉29例、其它7例,均经放疗并用或未用化疗或手术控制了原发肿瘤。年龄38～80岁,平均59.8岁,男137例,女41例。用电子内窥镜(V-10,Olympus)或光广视野内窥镜(P-10,Olympus),在直视下将Lugol′s液经聚乙烯管滴入涂于整个食
Esophageal cancer is characterized by submucosal infiltration. About 50% of cases undergo blood circulation and lymphatic metastasis, so the survival rate is very low. However, patients with no lymphatic metastasis had a good prognosis, suggesting early detection of early esophageal cancer. Application of modified Lugol’s solution to esophageal epithelium was successful in the diagnosis of small surface cancers of the esophagus. The authors performed a census of 178 cases of head and neck cancer without esophageal symptoms from June 1978 to June 1989. Primary tumor sites: 75 cases of tongue, 27 cases of oral cavity, 40 cases of pharynx, 29 cases of larynx, and 7 cases of other cases. Primary tumors were treated with radiotherapy and without chemotherapy or surgery. Age 38 to 80 years old, average 59.8 years old, 137 males and 41 females. Using an electronic endoscope (V-10, Olympus) or optical wide-field endoscope (P-10, Olympus), Lugol’s solution was applied via a polyethylene tube to the whole food.