A Suspicious Pancreatic Mass in Chronic Pancreatitis: Pancreatic ActinomycosisReport as inadecuate

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Case Reports in Oncological Medicine - Volume 2015 2015, Article ID 767365, 3 pages -

Case Report

Department of Gastroenterology and Hepatology, AZ Sint-Jan, Ruddershove 10, 8000 Bruges, Belgium

Department of Pathology, AZ Sint-Jan, Ruddershove 10, 8000 Bruges, Belgium

Received 6 December 2014; Accepted 21 January 2015

Academic Editor: Francesco A. Mauri

Copyright © 2015 F. de Clerck 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.


Introduction. Pancreatic actinomycosis is a chronic infection of the pancreas caused by the suppurative Gram-positive bacterium Actinomyces. It has mostly been described in patients following repeated main pancreatic duct stenting in the context of chronic pancreatitis or following pancreatic surgery. This type of pancreatitis is often erroneously interpreted as pancreatic malignancy due to the specific invasive characteristics of Actinomyces. Case. A 64-year-old male with a history of chronic pancreatitis and repeated main pancreatic duct stenting presented with weight loss, fever, night sweats, and abdominal pain. CT imaging revealed a mass in the pancreatic tail, invading the surrounding tissue and resulting in splenic vein thrombosis. Resectable pancreatic cancer was suspected, and pancreatic tail resection was performed. Postoperative findings revealed pancreatic actinomycosis instead of neoplasia. Conclusion. Pancreatic actinomycosis is a rare type of infectious pancreatitis that should be included in the differential diagnosis when a pancreatic mass is discovered in a patient with chronic pancreatitis and prior main pancreatic duct stenting. Our case emphasizes the importance of pursuing a histomorphological confirmation.

Author: F. de Clerck, P. Laukens, V. De Wilde, L. Vandeputte, M. Cabooter, J. Van Huysse, and H. Orlent

Source: https://www.hindawi.com/


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