PMC8044672_01
Images of lipoid pneumonia.. A. Chest radiograph at presentation showing a right lower zone opacity.. B. Interval chest radiograph showing decrease in the size of the opacity.. C. Computed tomography showing a lung mass with central low attenuation and adjacent interstitial thickening and ground glass changes.. D. Interval computed tomography showing significant decrease in the size of the lung mass.. E. Focal interstitial aggregate of lipid laden histiocytes.. F. Lung parenchyma showing intra-alveolar foamy histiocytes.
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Chest radiograph revealed a 3.6cm spiculated mass lesion in the right lower zone suspicious for malignancy (Fig. 1A). A computed tomography of the chest noted in the right middle lobe a 3.7cm by 2.7cm lung mass with central low attenuation suggestive of necrosis (Fig. 1C). An interval computed tomography of the chest repeated in 3 months from the initial scan, demonstrated near-complete resolution of the mass and decrease in size of the mediastinal nodes (Fig. 1D).