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Predominantly mid to lower zone airspace opacity. No large pleural effusion.
2 case questions available
Legionella Multiplex PCR
Specimen Type/Site: Bronchial Washings
Legionella species: Positive
Legionella pneumophila: Negative
Species: Legionella longbeachae
Chest x-ray features of legionella pnuemonia is non-specific but includes a mid-to-lower zone predominance of patchy consolidation and is sometimes associated with pleural effusions (~ 30%).
Radiographic deterioration does not correlate well with clinical condition.
Legionella longbeachae is commonly found in potting mix (soil), more so in Australia than in Europe. It is an increasingly common (compared to Legionella pneumophila and other species) source of legionellosis.
- Whiley H, Bentham R. Legionella longbeachae and legionellosis. Emerging Infect. Dis. 2011;17 (4): 579-83. doi:10.3201/eid1704.100446 - Free text at pubmed - Pubmed citation
- Dietrich PA, Johnson RD, Fairbank JT et-al. The chest radiograph in legionnaires' disease. Radiology. 1978;127 (3): 577-82. doi:10.1148/127.3.577 - Pubmed citation
- Tan MJ, Tan JS, Hamor RH et-al. The radiologic manifestations of Legionnaire's disease. The Ohio Community-Based Pneumonia Incidence Study Group. Chest. 2000;117 (2): 398-403. Pubmed citation