Journal of thoracic imaging
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To describe the radiologic and clinical findings in a group of patients with exogenous lipoid pneumonia focusing on features that differentiate the acute and chronic presentations. ⋯ The imaging features of acute and chronic lipoid pneumonia overlap with consolidation and lower lobe involvement present in both groups. However, only the patients with acute lipoid pneumonia had pleural effusions and improvement on follow-up. Only the patients with chronic lipoid pneumonia had pulmonary masses.