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[The clinical-radiologic-pathologic features of imported pulmonary histoplasmosis].

[Article in Chinese]

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Department of Respiratory and Critical Care Medicine, Peking University People's Hospital,Beijing 100044, China.



To describe the clinical features and treatment of imported pulmonary histoplasmosis and therefore to improve the recognition and differential diagnosis of this disease.


The clinical data of 3 patients with imported pulmonary histoplasmosis in our hospital were collected and analyzed. Literatures published since 1989 were retrieved with 'pulmonary histoplasmosis' from PubMed, China National Knowledge Infrastructure (CNKI), Wanfang Data and VIP data, of which all the literatures about imported pulmonary histoplasmosis were reviewed. The clinical manifestations, diagnostic methods and treatment were summarized.


All the 3 cases of imported pulmonary histoplasmosis were immunocompetent hosts, all were males, age were from 44-67 years, and had a history of exploring the cave or tunnel inhabited by bats in the epidemic areas. All of them developed influenza-like symptoms varying in severity after the onset of the disease. Pulmonary multiple nodules and mediastinal lymphadenopathy were found on chest images. One patient underwent percutaneous lung biopsy and the other two received video-assisted thoracoscopic lung biopsy. All the 3 patients showed consistent histopathological findings, such as granulomatous inflammation with necrosis. Pathogen culture with lung biopsy in the first case was identified as histoplasma. All the 3 cases were treated with itraconazole, and recovered with good prognosis. Thirteen literatures in English were obtained, which reported 60 cases with imported pulmonary histoplasmosis. Forty-two of them were males, 16 were females and 2 undefined. The range of their age was from 17-64 years. No imported pulmonary histoplasmosis was reported so far in Chinese literature. Common features of imported pulmonary histoplasmosis were consistent with our patients, including epidemiology, influenza-like symptoms and bilateral pulmonary nodules, recovery with or without antifungal therapy.


The epidemiologic history, influenza-like symptoms and bilateral pulmonary nodules provide valuable diagnostic clues for imported histoplasmosis. Clinical features with pathologic findings and good response to antifungal therapy could make the diagnosis even without pathogen detection if other etiology is unlikely.

[Indexed for MEDLINE]

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