CTICasesCOVID-19 Pneumonia with MRSA Superinfection
Imaging findings
Chest radiograph and CT show a large, dense consolidation in the left upper lobe, with debris in the left main bronchus (suggestive of aspiration) and multiple well-circumscribed nodules in both lungs. Sputum and BAL grew MRSA, and PCR was positive for SARS-CoV-2.
Key takeaways
Viral pneumonias like COVID-19 can be complicated by secondary bacterial superinfections. Methicillin-resistant Staphylococcus aureus (MRSA) superinfection is a severe complication in intubated patients, characteristically presenting as necrotizing bronchopneumonia, cavitation, and abscess/nodular formation.
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