CTICasesRSV Pneumonia
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Imaging findings
Peribronchial cuffing, bronchial wall thickening, patchy areas of ground-glass opacity and consolidation, and discrete tree-in-bud nodules and bronchocentric nodules throughout the lungs. The patient lacked pleural edema or visceral thickening. A PET-CT performed three days later showed areas of increased metabolic activity in the lungs, further confirming an infectious process.
Key takeaways
Differentiate pneumonia from pulmonary edema by looking for features such as peribronchial cuffing, bronchial wall thickening, patchy ground-glass opacities, consolidation, and especially tree-in-bud nodules, which are more characteristic of infection. The absence of pleural edema and visceral thickening also favors pneumonia. PET-CT can be a useful tool to confirm the infectious nature of lung opacities through increased metabolic activity.
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