CHEMICAL-SHIFT MRI OF EXOGENOUS LIPOID PNEUMONIA

Exogenous lipoid pneumonia results from the aspiration or inhalation o f fatty substances, such as mineral oil found in laxatives or nasal me dications containing liquid paraffin. We present standard and lipid-se nsitive (chemical-shift) MR findings in a patient with histologically confirmed lipoid pneumonia, The loss of signal intensity in an area of airspace disease on opposed-phase imaging was considered specific for the presence of lipid.