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http://dx.doi.org/10.4046/trd.2015.78.4.371

Pulmonary Pneumatocele in a Pneumonia Patient Infected with Extended-Spectrum β-Lactamase Producing Proteus mirabilis  

Ryou, Sung Hyeok (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Bae, Jong Wook (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Baek, Hyun Jin (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Lee, Doo Hyuk (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Lee, Sang Won (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Choi, Gyu Ho (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Han, Kyu Hyung (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Kim, Se Weon (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Kim, Hyunbeom (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Hong, Goohyeon (Department of Internal Medicine, Dankook University Hospital, Dankook University College of Medicine)
Publication Information
Tuberculosis and Respiratory Diseases / v.78, no.4, 2015 , pp. 371-374 More about this Journal
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 ${\beta}$-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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