Pulmonary Schistosomiasis

Report of a Case Found with a Solitary Lesion

Reuben Tizes Departments of Medicine, Environmental Medicine and Community Health, and Department of Pathology of the Downstate Medical Center, State University of New York, 450 Clarkson Avenue, Brooklyn, New York 11203

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Mahfouz H. Zaki Departments of Medicine, Environmental Medicine and Community Health, and Department of Pathology of the Downstate Medical Center, State University of New York, 450 Clarkson Avenue, Brooklyn, New York 11203

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Stanley Minkowitz Departments of Medicine, Environmental Medicine and Community Health, and Department of Pathology of the Downstate Medical Center, State University of New York, 450 Clarkson Avenue, Brooklyn, New York 11203

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Summary

Solitary lesions in the lung are known to be caused by a variety of agents, both benign and malignant. The case presented here is that of a Puerto Rican woman with such a lesion and with evidence suggestive of pulmonary tuberculosis. Clinical, laboratory, and roentgenographic findings did not reveal the nature of the solitary lesion. Histopathologic examination of the excised lesion showed numerous granulomata and Schistosoma mansoni eggs. Schistosomiasis mansoni should be considered in the differential diagnosis of solitary lung lesions in persons who have been exposed in an endemic area.

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