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  • Title: Intramural pseudocyst of the duodenum caused by pancreatic head cancer: report of a case.
    Author: Sugiura T, Uesaka K, Kanomata H, Sasaki K, Kanemoto H, Mizuno T.
    Journal: Surg Today; 2012 Aug; 42(8):805-7. PubMed ID: 22391978.
    Abstract:
    An intramural pseudocyst in the alimentary tract develops as a rare complication of acute pancreatitis or trauma. A 60-year-old woman with pancreatic head cancer underwent preoperative radiological examinations, which revealed a 45-mm cystic mass around the second portion of the duodenum. Endoscopic ultrasonography confirmed a cystic lesion in the submucosal layer of the duodenum and fine needle aspiration cytology of the cystic contents suggested adenocarcinoma. The cystic fluid was amylase-rich, at 17040 U/l. We performed pancreaticoduodenectomy for the pancreatic head cancer. Pancreatography of the resected specimen showed a communication between the main pancreatic duct and the cystic lesion. The cut surface of the resected specimen revealed a cystic lesion, which surrounded the duodenum. Pathologically, the cystic lesion was diagnosed as a pseudocyst, located between the dissociated smooth muscle layers of the duodenum.
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