CTICasesRhinovirus Pneumonia
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Imaging findings
Chest radiograph demonstrates poor lung volumes and vague upper lobe parenchymal abnormalities. High-resolution CT shows upper lobe predominant ground-glass opacity, smooth interlobular septal thickening (crazy paving), and mild bronchial dilation in the affected areas. More inferiorly, there are discrete centrilobular nodules and geographic areas of decreased attenuation.
Key takeaways
Viral pneumonias such as rhinovirus can present with an interstitial pattern characterized by ground-glass opacities, crazy paving, centrilobular nodules, and transient bronchial dilation due to acute inflammation. This presentation can mimic other conditions like Pneumocystis jirovecii pneumonia or acute lung injury, but is self-limiting and occurs in both immunocompromised and immunocompetent individuals.
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See all cases from June 2, 2014 →