CTICasesExogenous Lipoid Pneumonia
Imaging findings
Extensive, persistent ground-glass opacities and consolidation with a bronchovascular distribution. Over time, the lesions showed architectural distortion, low attenuation (fat density), and a mass-like appearance.
Key takeaways
This case highlights anchoring bias, where an initial incorrect diagnosis (pulmonary alveolar proteinosis) was maintained. The patient had a history of a gastric conduit and regular mineral oil use, leading to chronic aspiration and a subsequent granulomatous inflammatory response.
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