Background: Postinflammatory or posttraumatic pseudocysts of pancreas are common findings while cystic tumours belongs to rarity. But underestimating of this problem leads to misdiagnoses.
Case Report: A case of 69-years-old women with cystic lesion of the pancreas is being reported. The lesion
was first diagnosed as pseudocyst (1994) and medical treatment was introduced. The cyst has enlarged and patient underwent endoscopic transpapillary drainage. As the endoscopic and transcutaneal drainage brought no recovery cystojejunostomy was performed (2002). In January 2004 patient presented acute upper GI bleeding. . Upper GI endoscopy as well as colonoscopy did not reveal the bleeding source. She was qualified to emergency surgery and distal pancreatectomy and splenectomy was performed. In the histopatological examination pancreatic papillary partial cystic adenocarcinoma has been diagnosed (2004).
Conclusions: Presented case show the problem of pancreatic cyst management despite of progress in diagnostic and visualizing techniques.

Keywords: Pancreatic Cyst, cystic tumor, surgical treatment