抄録
It is useful to use the detector combined with the esophageal fiberscope. Under direct vision it is possible to find small lesions for the diagnosis of the esophageal cancer. 247 cases were examined by both methods, pull-through and under direct vision. 2% of the cases of cancer except the irradiated cases were diagnosed as non-cancer in under direct vision method. But no benigne cases were diagnosed as the malignancy. In case of the preoperative irradiation 2000rad in dosis, the tendency of the decrease of 32p up-take ratio was noticed. In casesof radical irradiation, the cases which showed low ratio were other the improved cases by X-ray and endoscopical examination.
