1988 Volume 30 Issue 5 Pages 986-991_1
A 81 year old woman was admitted to our hospital because of the further detailed examination for polypoid lesion in the duodenal bulb. Endoscopic examination revealed pedunculated polypoid lesion with nodular surface with partial reddening. The biopsy study showed group V. Endoscopic polypectomy was performed and no accident occurred. The size of the resected tumor was 10X9X6 mm in size. Histological examination revealed tubular adenocarcinoma with the invasion limited to the mucosal layer showing a feature of cancer in adenoma. We also referred to the problems of endoscopic polypectomy of the early duodenal cancer.