Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature

Background. Histoplasma capsulatum is the most common endemic mycosis in the United States and is a frequent cause of opportunistic infection in immunodeficient hosts. Histoplasmosis is most often self-limiting and goes unrecognized in the immunocompetent population but can progress to disseminated...

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Main Authors: Nancy A. Rihana, Manasa Kandula, Ana Velez, Kumud Dahal, Edward B. O’Neill
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Case Reports in Medicine
Online Access:http://dx.doi.org/10.1155/2014/879535
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author Nancy A. Rihana
Manasa Kandula
Ana Velez
Kumud Dahal
Edward B. O’Neill
author_facet Nancy A. Rihana
Manasa Kandula
Ana Velez
Kumud Dahal
Edward B. O’Neill
author_sort Nancy A. Rihana
collection DOAJ
description Background. Histoplasma capsulatum is the most common endemic mycosis in the United States and is a frequent cause of opportunistic infection in immunodeficient hosts. Histoplasmosis is most often self-limiting and goes unrecognized in the immunocompetent population but can progress to disseminated histoplasmosis in patients with an impaired immune system. Liver involvement as a part of disseminated histoplasmosis which usually originates in the lung is well known. However, extrapulmonary hepatic histoplasmosis as a primary manifestation is extremely rare. Case Presentation. We report a rare case of histoplasmosis that presented as persistent fever and abnormal liver function tests in a 66-year-old female with rheumatoid arthritis, receiving infliximab. Conclusion. Emphasizing histoplasmosis as a major cause of acute granulomatous hepatitis and fever of unknown origin in cell mediated immunodeficient population, this case highlights the need for high index of suspicion and the importance of prompt diagnosis since any delay of treatment can be life threatening in this population.
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spelling doaj-art-2d8cd0cce5714e418796ea596a7e01b62025-02-03T01:29:56ZengWileyCase Reports in Medicine1687-96271687-96352014-01-01201410.1155/2014/879535879535Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the LiteratureNancy A. Rihana0Manasa Kandula1Ana Velez2Kumud Dahal3Edward B. O’Neill4Department of Infectious Diseases, University of South Florida, 1 Tampa General Circle G323, Tampa, FL 33606, USAUniversity of South Florida, Tampa, FL 33606, USADepartment of Infectious Diseases, University of South Florida, Tampa, FL 33606, USADepartment of Infectious Diseases, University of Illinois, One Illini Drive, Peoria, IL 61605-2576, USADepartment of Pathology, Tampa General Hospital, Tampa, FL 33606, USABackground. Histoplasma capsulatum is the most common endemic mycosis in the United States and is a frequent cause of opportunistic infection in immunodeficient hosts. Histoplasmosis is most often self-limiting and goes unrecognized in the immunocompetent population but can progress to disseminated histoplasmosis in patients with an impaired immune system. Liver involvement as a part of disseminated histoplasmosis which usually originates in the lung is well known. However, extrapulmonary hepatic histoplasmosis as a primary manifestation is extremely rare. Case Presentation. We report a rare case of histoplasmosis that presented as persistent fever and abnormal liver function tests in a 66-year-old female with rheumatoid arthritis, receiving infliximab. Conclusion. Emphasizing histoplasmosis as a major cause of acute granulomatous hepatitis and fever of unknown origin in cell mediated immunodeficient population, this case highlights the need for high index of suspicion and the importance of prompt diagnosis since any delay of treatment can be life threatening in this population.http://dx.doi.org/10.1155/2014/879535
spellingShingle Nancy A. Rihana
Manasa Kandula
Ana Velez
Kumud Dahal
Edward B. O’Neill
Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature
Case Reports in Medicine
title Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature
title_full Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature
title_fullStr Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature
title_full_unstemmed Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature
title_short Histoplasmosis Presenting as Granulomatous Hepatitis: Case Report and Review of the Literature
title_sort histoplasmosis presenting as granulomatous hepatitis case report and review of the literature
url http://dx.doi.org/10.1155/2014/879535
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