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

Overview

Journal Tuberc Respir Dis (Seoul)

Specialty Pulmonary Medicine

Date 2015 Oct 29

PMID 26508927

Citations 4

Authors

Sung Hyeok Ryou

Jong Wook Bae

Hyun Jin Baek

Doo Hyuk Lee

Sang Won Lee

Gyu Ho Choi

Kyu Hyung Han

Se Weon Kim

Hyunbeom Kim

Goohyeon Hong

Affiliations

Soon will be listed here.

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 β-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.

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