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１９９３年３月至１９９９年８月，我院应用脉冲铜激光染料激光器配合光敏剂对１３８例食管及胃肿瘤患者进行光动力学治疗（PDT），治疗效果满意，现报告如下。一、资料与方法１．病例选择：经胃镜及病理活检诊断的食管癌及胃癌患者凡符合以下条件者行PDT：⑴年老体弱，不能承
From March 1993 to August 1999, 138 cases of esophageal and gastric cancer patients underwent photodynamic therapy (PDT) with pulsed copper laser dye laser and photosensitizer in our hospital. The treatment effect was satisfactory. The report is as follows. First, data and methods 1. Case Selection: The diagnosis of esophageal and gastric cancer by gastroscopy and pathological biopsy patients who meet the following conditions PDT: ⑴ old frail, can not bear