Pulmonary Fat Embolism


Radiologic Findings

Chest CT at 5 days and 19 days after initial evaluation
Case4g.jpg Case4h.jpg


Brief Discussions

Occurs 24-72hrs after major trauma-associated long bone fracture

Respiratory distress, cerebral abnormalities or petechial hemorrhage

Two pathophysiology

     - fat droplets obstruct pulmonary vessel

     - embolic FFA directly toxic to pneumocyts

        and capillary endothelium

HRCT findings : prior to clinical manifestation

     - bilateral GGO and interlobular septal

        thickening,  centrilobular  nodular opacity   

Return to Images