Comparison with the Diagnosis of Preoperative CT Examination, Endoscopy Examination and Pathological Diagnosis in the Cases of Salvage Operation for Esophageal Cancer After Definitive Chemoradiotherapy

摘要

There are many insufficient factors for response evaluation by endoscopy, biopsy and CT examination after definitive chemoradiotherapy(CRT) for esophageal cancer. We compared the pathological diagnosis of the excision specimen with the preoperative endoscope diagnosis and CT diagnosis in 13 cases of salvage operation after CRT, When there was neither stricture and ulcer by an endoscope diagnosis, it was confirmed that Grade3 was possible. The area that we recognized as a tumor by CT examination did not have correlation with the existence area of cancer, It was thought that the area that we recognized as the tumor by CT examination related to the area of fibrosis including cancer. When the tumor is recognized by CT examination, cancer tends to be equal or less than the volume, and there is a possibility of phathological CR.