Pancreatic Serous Cystadenoma with Pancreatic Duct Stenosis -A Case Report-

Hidetaka Yamanaka, Kaname Ono, Tatsuro Satoh and Hiroshi Seko

Department of Surgery, Inuyama Central Hospital

Pancreatic serous cystadenoma is benign and does not invade the pancreatic duct, but occasionally causes pancreatic stenosis by compression, making it sometimes difficult to discriminate from a malignant tumor. We report a case of this disease causing pancreatic duct stenosis. A 55-year-old woman reporting appetite loss and having serum amylase of 798 IU/l and CEA of 8.4 ng/ml was found in abdominal computed tomography and magnetic resonance image to have a 1 cm pancreatic mass and endoscopic retrograde cholangiopancreatography showed pancreatic duct stenosis at the mass site. Abdominal angiography showed no abnormalities. Distal pancreatectomy with splenectomy was done based on a diagnosis of pancreatic tumor in which malignancy could not be denied. The resected specimen showed a 10×12 mm white solid mass containing small microserous cysts and found microscopically to be serous cystadenoma. Most cases of this disease with pancreatic duct stenosis involve a tumor at the pancreatic head and body and smaller tumors as complicated pancreatitis, making malignancy difficult to diagnose.

Key words
pancreatic cystadenoma, pancreatic duct stenosis, pancreatitis

Reprint requests
Hidetaka Yamanaka Department of Surgery, Inuyama Central Hospital
6 Futagozuka, Goroumaru, Inuyama, 484-8511 JAPAN

Accepted
March 30, 2005

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