| Resumo: | Abstract Legionella longbeachae is the most common cause of Legionnaires' disease in Australasia. Legionella species are considered a rare cause of pleural infection, and empyema and lung abscess due to L. longbeachae has not previously been reported. Our patient presented with a 2–3 week history of breathlessness, lethargy, dry cough and headaches. Initial chest radiograph showed extensive left sided consolidation with an associated pleural effusion. An area of necrotising pneumonia evident on computed tomography scan evolved into a multiloculated intrapulmonary abscess. Sputum culture isolated L. longbeachae, which prompted culture of pleural fluid on buffered charcoal yeast extract agar and isolation of the organism. This case provides evidence that L. longbeachae can cause both empyema and lung abscess, and in areas where it is prevalent, increased use of Legionella specific agar for pleural fluid culture should be considered.
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