[The Surgical Experience for Bulky Serous Cystic Neoplasm of Pancreas].

A 74-year-old femalewas admitted to our hospital dueto thebulky abdominal tumor pointed out by ultrasonography of medical screening. Abdominal CT revealed the tumor, in a diameter 20 cm, replaced the total pancreas and compressed the surrounding organs and portal vein. We diagnosed as a pancreatic serous cystic neoplasm with a possibility of malignancy. The operative findings showed the tumor tightly adhered to stomach, duodenum, liver, transverse colon mesenterium, retroperitoneum and the surrounding main vessels. Total pancreatectomy, cholecystectomy, splenectomy and distal gastrectomy were performed. As a histopathological finding, thetumor surfacewas smooth and theinsidewas sponge-likeappe arancemixe d with microcystic and solid components. No malignant finding was observed. The patient was discharged without major complications on postoperative day 42, and remains alive with no recurrence for 9 months after surgery.