CTICasesStaphylococcal Lung Abscess Mimicking Malignancy
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Imaging findings
A patient presented with a large lung mass and consolidation on chest radiograph. CT showed a large inflammatory mass with central cavitation, extensive surrounding ground-glass opacity, and space-occupying effect, with some mediastinal involvement and stranding. Culture grew methicillin-sensitive Staphylococcus.
Key takeaways
A large, cavitating lung mass can represent an aggressive infection, such as a staphylococcal abscess, and can mimic malignancy both radiographically and clinically. Extensive surrounding inflammation and mediastinal involvement can further complicate the differentiation. Cultures are essential for guiding treatment.
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