Lipoid pneumonia on CT scan

A CT scan through the mid chest shows a focal accumulation of fat in the parenchyma. The density measured -124 HU confirming the fatty nature of the parenchymal abnormality. Image B shows a similar abnormality in the parenchyma in the posteromedial aspect of the left lung (arrow). Image C is a magnification of the abnormality in the right lung (arrow) and image D is a magnification of the abnormality in the left lung (arrow).