A CASE OF EARLY DUODENAL CANCER

Abstract

A 72 years old man was admitted to our hospital because of a duodenal diagnosed by routine upper gastrointestinal endoscopy . The biopsy specimen was histologically diagnosed as a differentiated adenocarcinoma . A pedenculated polypoid lesion, 1.8×1 .3×0.9cm in size, was surgically removed. Histological finding were recognized differentiated papillary adenocarcinoma . The depth of invasion was as fav as submucosal layer . No metastic lesion in the liver, lymph nodes, peritoneum were found during operation. Case reports of a primary early cancer of duodenum are rare . We collected 21 cases of early duodenal cancer from the Japanese literature and referred to the present state of early duodenal cancer.