alexa A Case of Mistaken Identity - Ocular Histoplasmosis in
ISSN: 2161-0495

Journal of Clinical Toxicology
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Case Report

A Case of Mistaken Identity - Ocular Histoplasmosis in Florida

James McCluskey*, Marie Bourgeois and Raymond Harbison

Center for Environmental/Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL 33612, USA

*Corresponding Author:
James McCluskey, MD, Ph.D.
Center for Environmental and Occupational Risk Analysis and Management
College of Public Health, University of South Florida, Tampa, FL, USA

Received date: April 25, 2013; Accepted date: May 07, 2013; Published date: May 10, 2012

Citation: McCluskey J, Bourgeois M, Harbison R (2013) A Case of Mistaken Identity - Ocular Histoplasmosis in Florida. J Clinic Toxicol S5:007. doi: 10.4172/2161-0495.S5-007

Copyright: © 2012 McCluskey J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Ocular Histoplasmosis Syndrome (OHS) is thought to develop when Histoplasmosis capsulatum spores settle in the choroid, obstruct choroidal vessels and stimulate neovascular growth. OHS is characterized by retinal scarring and Choroidal Neovascularization (CNV). Diagnosis of OHS is usually confirmed through the presence of ‘histo’ spots and retinal swelling. The former is considered presumptive of exposure to histoplasmosis spores and the latter results from the growth of abnormal blood vessels. Multifocal Choroiditis (MFC) mimics the presentation of OHS and diagnostic errors may occur. A thorough patient history, in conjunction with confirmatory laboratory testing for H. capsulatum exposure, can avoid misdiagnosis. We report a case of MFC misdiagnosed as OHS in a patient evaluated foroccupational exposure.


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