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Tuberculosis & Respiratory Diseases

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Vol.78 No.4
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Pulmonary Pneumatocele in a Pneumonia Patient Infected with Extended-Spectrum β-Lactamase Producing Proteus mirabilis

Tuberculosis & Respiratory Diseases / Tuberculosis & Respiratory Diseases,
2015, v.78 no.4, pp.371-374










& (2015). Pulmonary Pneumatocele in a Pneumonia Patient Infected with Extended-Spectrum β-Lactamase Producing Proteus mirabilis. Tuberculosis & Respiratory Diseases, 78(4), 371-374.
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Abstract

Pulmonary pneumatoceles are air-filled thin-walled spaces within the lung and are rare in adult cases of pneumonia. We report the case of a 74-year-old male who was admitted with a cough and sputum production. He had been treated with oral dexamethasone since a brain tumorectomy 6 months prior. Contrast-enhanced computed tomography (CT) of the chest revealed a large pneumatocele in the right middle lobe and peripheral pneumonic consolidation. Bronchoalveolar lavage was performed; cultures identified extended-spectrum -lactamase (ESBL) producing Proteus mirabilis . A 4-week course of intravenous ertapenem was administered, and the pneumatocele with pneumonia resolved on follow-up chest CT. To the best of our knowledge, this is the first reported case of pulmonary pneumatocele caused by ESBL-producing P. mirabilis associated with pneumonia.

keywords
Pneumonia, Proteus mirabilis, Beta-Lactamase

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