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Pulmonary Histoplasmosis Presenting as Chronic Productive Cough, Fever, and Massive Unilateral Consolidation in a 15-Year-Old Immune-Competent Boy: A Case Report.

Kabangila, R., Semvua, K., Rambau, P., Jackson, K., Mshana, S. E., Jaka, H. and Peck, R. N. (2011) Pulmonary Histoplasmosis Presenting as Chronic Productive Cough, Fever, and Massive Unilateral Consolidation in a 15-Year-Old Immune-Competent Boy: A Case Report. Journal of medical case reports, 5. p. 374. ISSN 1752-1947

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Abstract

Severe histoplasmosis is known to be among the AIDS-defining opportunistic infections affecting patients with very low CD4 cell counts in histoplasmosis-endemic areas. Histoplasma capsulatum var. duboisii is common in West and Central Africa, where it occurs in both HIV/AIDS and non-HIV patients. Few cases of life-threatening histoplasmosis in immune-competent individuals have been reported worldwide. We describe a case of pulmonary histoplasmosis diagnosed on the basis of autopsy and histological investigations. A 15-year old East African immune-competent boy with a history of smear-positive tuberculosis and a two-year history of rock cutting presented to our hospital with chronic productive cough, fever, and massive unilateral consolidation. At the time of presentation to our hospital, this patient was empirically treated for recurrent tuberculosis without success, and he died on the seventh day after admission. The autopsy revealed a huge granulomatous lesion with caseation, but no acid-fast bacilli were detected on several Ziehl-Neelsen stains. However, periodic acid-Schiff staining was positive, and the histological examination revealed features suggestive of Histoplasma yeast cells. Severe pulmonary histoplasmosis should be considered in evaluating immune-competent patients with risk factors for the disease who present with pulmonary symptoms mimicking tuberculosis.

Item Type: Article
Keywords: Pulmonary Histoplasmosis, Immune-Competent, Consolidation, Acid-Fast Bacilli, Periodic Acid-Schiff Staining, Cough, CD4
Subjects: Health Systems > Community Health
Divisions: Catholic University of Health and Allied Sciences (CUHAS)
Depositing User: Mr Joseph Madata
Date Deposited: 23 May 2013 07:29
Last Modified: 23 May 2013 07:29
URI: http://ihi.eprints.org/id/eprint/1465

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