CTICasesRhodococcus Pneumonia with Pleuropulmonary and Retroperitoneal Extension
Imaging findings
Right lower lobe consolidation with small cavities, pleural thickening, small effusion, and a large retroperitoneal collection tracking contiguously from the lung, in a renal transplant patient.
Key takeaways
Rhodococcus is a gram-positive organism that causes pneumonia, particularly in immunosuppressed patients. If untreated or inadequately treated, it can lead to severe complications including cavitation, empyema, and contiguous extension into adjacent spaces such as the retroperitoneum.
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