CTICasesLegionella Pneumonia
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Imaging findings
Chest radiograph shows three mass-like areas of consolidation in both lungs. The patient also presented with diarrhea.
Key takeaways
Legionella pneumonia can present as multifocal consolidation, sometimes appearing mass-like, especially in immunocompromised patients (e.g., kidney-pancreas transplant recipients). It is often associated with extrapulmonary symptoms such as diarrhea and headaches, which can aid in diagnosis. The urine antigen test is a valuable diagnostic tool for Legionella.
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