CTICasesNocardia Pneumonia (Opportunistic Infection)
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Imaging findings
Chest radiograph shows a large new opacity in the right upper lobe. CT reveals this large, mass-like opacity clearly in the lung, associated with air bronchograms, along with other smaller nodules in various locations, a small right pleural effusion, and regional right paratracheal mediastinal lymph node enlargement. Bronchoscopy with biopsy of a lymph node confirmed Nocardia.
Key takeaways
Nocardia is an opportunistic infection, particularly common in immunosuppressed patients, such as those with liver and kidney transplantation. It can present as mass-like pneumonia with nodules and reactive lymphadenopathy. A high index of suspicion and timely biopsy are crucial for diagnosis.
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