CTICasesViral bronchiolitis (Influenza B)
Imaging findings
CT scan shows diffuse, patchy centrilobular ground-glass nodules, tree-in-bud opacities, smooth septal thickening, and bronchial wall thickening, with dependent consolidation in the left lower lobe.
Key takeaways
Viral bronchiolitis (such as from Influenza B) classically presents with centrilobular nodules, bronchial wall thickening, and tree-in-bud opacities. Secretions can drain dependently, resulting in secondary aspiration-like consolidation in the lower lobes.
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