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HPB Surgery
Volume 2011, Article ID 574378, 5 pages
http://dx.doi.org/10.1155/2011/574378
Case Report

Pancreatic Serous Cystadenoma with Compression of the Main Pancreatic Duct: An Unusual Entity

1Department of Digestive Surgery and Transplantation, CHU, University of Lille-Nord de France, 59000 Lille, France
2Department of Hepatogastroenterogy, CHU, University of Lille-Nord de France, 59000 Lille, France
3Department of Pathology, CHU, University of Lille-Nord de France, 59000 Lille, France
4Department of Radiology, CHU, University of Lille-Nord de France, 59000 Lille, France
5INSERM U837, Lille 2 University, Jean-Pierre Aubert Centre, University of Lille-Nord de France, 59000 Lille, France

Received 3 September 2010; Revised 11 November 2010; Accepted 12 January 2011

Academic Editor: Richard Charnley

Copyright © 2011 Stéphanie Truant et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Serous cystadenoma is a common benign neoplasm that can be managed without surgery in asymptomatic patients provided that the diagnosis is certain. We describe a patient, whose pancreatic cyst exhibited a radiological appearance distinct from that of typical serous cystadenoma, resulting in diagnostic difficulties. CT and MRI showed a 10 cm-polycystic tumor with upstream dilatation of the main pancreatic duct (MPD), suggestive of intraductal papillary mucinous tumor (IPMT). Ultrasonographic aspect and EUS-guided fine-needle aspiration gave arguments for serous cystadenoma. ERCP showed a communication between cysts and the dilated MPD, compatible with IPMT. The patient underwent left pancreatectomy with splenectomy. Pathological examination concluded in a serous cystadenoma, with only a ductal obstruction causing proximal dilatation.