Abstract
A 48-year-old woman was admitted to our hospital complaining of tarry stool and anemia. Hypotonic duodenography showed the 2nd portion slight dilated, the 3rd portion severe dilated and a ping-pong sized tumor with bridging fold in the 3rd portion. Endoscopy of the duodenum showed the surface of the tumor with map like erosion and deep creft of the tumor. From the creft bile juice recognized flowing out. Preoperative diagnosis was submucosal tumor of the papilla of Vater. Tumor resection, sphincteroplasty and cholecystectomy was perfomed. Histpathological diugnosis was gangliocytic paraganglioma.
