A case with schwannomas at the celiac trunk causing pancreatitis removed surgically, and in the liver treated by radiofrequency ablation

Background: Schwannoma is a benign tumor of the nerve sheath which can infrequently develop in the gastrointestinal tract or retroperitoneal cavity. Patient and Methods: We report the case of a 37-year old woman who had a history of removal of retroperitoneal schwannoma 15 years earlier. In 2006 she was examined for recurrent abdominal pain. Abdominal US identified a sharply defined hyperechoic solitary mass of 20mm in the IV segment of the liver and a cyst of 18mm in the tail of the pancreas. The diagnosis was hemangioma of the liver and pancreatic pseudocyst. During a follow up period of 6 months the liver mas…