Published online by Cambridge University Press: 07 October 2011
Imaging description
The typical imaging findings of exogenous lipoid pneumonia consist of bilateral foci of patchy consolidation and ground-glass opacity. The lung bases are most commonly involved. The regions of consolidation are frequently of decreased attenuation and may have attenuation values consistent with fat [1–3] (Figures 18.1 and 18.2). A “crazy-paving” pattern of ground-glass opacity and septal thickening has also been reported in patients with exogenous lipoid pneumonia [1–3] (Figure 18.3).
Importance
The imaging appearance is often diagnostic and should prompt further clinical evaluation for a source of the exogenous lipoid material.
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