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Canadian Respiratory Journal
Volume 12 (2005), Issue 6, Pages 336-337
http://dx.doi.org/10.1155/2005/804093
Case Report

Hepatic Actinomycosis with Infiltration of the Diaphragm and Right Lung: A Case Report

Tasbirul Islam, Muhammad Nauman Athar, Muhammad Kamran Athar, Mohammed Haris Umer Usman, and Baqir Misbah

Department of Medicine, Mercy Catholic Medical Center-Drexel University College of Medicine, Philadelphia, Pennsylvania, USA

Copyright © 2005 Hindawi Publishing Corporation. 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 an indolent, slowly progressive infection caused by anaerobic or microaerophilic bacteria of the genus Actinomyces. Actinomycosis has a myriad of clinical presentations, inducing both a suppurative and granulomatous inflammatory response. The infection spreads contiguously through anatomical barriers and frequently forms external sinuses. The most common clinical presentations are cervicofacial, thoracic, abdominal and, in females, genital. Classic features include purulent foci surrounded by dense fibrosis that, over time, cross natural boundaries into contiguous structures, with the formation of fistulas and sinus tracts in some cases. Hepatic actinomycosis presents as single or multiple abscesses or masses. Reported here is the unusual occurrence of actinomycosis of the liver involving the diaphragm and right lung. The present case illustrates the difficulties in diagnosing this rare and unrecognized disease.