特異な膵管像を示した粘液産生膵囊胞腺癌の1例

抄録

A 72-year-old female who was admitted to nearby hospital because of acute abdominal pain and who was found to have cystic lesion of the pancreas was referred to our hospital for further examination.
Balloon-ERP demonstrated the cystic dilatation and obstruction, which have the possibility to be induced by tumor, in the main duct of the body of the pancreas. Peroral pancreatoscopy observing the obstructive lesion enabled us to recognized mucious materials pooling in the main duct. Distal pancreatectomy was performed under the diagnosis of mucin producing cystic tumor.
Resected specimen revealed polycystic lesion of the pancreas with heavy mucinous materials pooling, which penetrated the main duct. Histological examination showed diagnosis of cystadenocarcinoma which have no invasion to the pancreas parenchyma.
Peroral pancreatoscopy is considered to be an useful tool in such a case as our's.