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An Infected Bulla Caused by Nocardia nova
1)Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center, 2)Division of Anaerobe Research, Life Science Research Center, Gifu University
Kohsuke ISOMOTO1), Hideaki YAMAKAWA1), Eri HAGIWARA1), Masahiro HAYASHI2), Ryota SHINTANI1), Takuma KATANO1) & Takashi OGURA1)
(Received September 21, 2017)
(Accepted January 19, 2018)
Key words: infected bulla, Nocardia nova

A 47-year-old man was referred to our hospital for gradual onset of chest and back pain associated with fever and chills. Chest computed tomography demonstrated a giant bulla with an air-fluid level on the left lung. Culture of sputum, blood and pleural effusion were negative. Empiric treatment with broad spectrum antibiotics was initiated under a diagnosis of an infected bulla, with no resolution of his fever and laboratory data. Bulla resection with video assisted thoracic surgery was performed, and Nocardia nova was isolated from the bulla fluid. Histopathology of the surgical specimen showed inflammatory cells and granulomatous lesion with central necrosis. Nocardia species should be considered as a pathogenic bacterium of infected bullae.

[ Kansenshogaku Zasshi 92: 376-379, 2018 ]

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