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Case Reports in Gastrointestinal Medicine
Volume 2013 (2013), Article ID 143218, 4 pages
http://dx.doi.org/10.1155/2013/143218
Case Report

Actinomycosis of Cecum Associated with Entamoeba Infection Mimicking Perforated Colon Cancer

1Department of General Surgery, Acibadem University Medical Faculty, Acibadem Bakirköy Hospital, Halit Ziya Uşakligil Caddesi No. 1 Bakirköy, 34140 Istanbul, Turkey
2Department of Pathology, Acibadem Maslak Hospital, 34457 Istanbul, Turkey
3Department of Internal Medicine, Acibadem University Medical Faculty, 34848 Istanbul, Turkey

Received 12 March 2013; Accepted 8 April 2013

Academic Editors: T. Hirata, S. Kikuchi, R. J. L. F. Loffeld, V. Lorenzo-Zúñiga, and S. Nomura

Copyright © 2013 Deniz Eren Böler 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

Actinomycosis is a granulomatous disease caused by Actinomyces that mimics other intra-abdominal pathologies especially neoplasms. Correct diagnosis can be rarely established before radical surgery. On the other hand Entamoeba infection affects a considerable number of people worldwide. To our knowledge only one case has been reported to be affected by both organisms. We report a man who has been operated for a mass in the cecum mimicking a perforated colon cancer. Abdominal CT revealed a mass with features of an invading neoplasm. After radical surgery, definitive pathology revealed that the mass was due to actinomycosis associated with Entamoeba infection. The postoperative period was uneventful and the patient was on long-course antibiotherapy. It is important to consider actinomycosis especially in patients with intra-abdominal masses with unusual aggressiveness to prevent unnecessary surgery. However, surgery can be unavoidable especially in the presence of complicated disease or high index of suspicion for malignancy.