Extrapleural hematoma

Case contributed by Dra. Simbler, Daniela E


Fall from 3 meters high.

Patient Data

Age: 85 years
Gender: Male

Non contrast CT axial, coronal and sagittal images show biconvex hematoma, which displaces the parietal pleural and the extrapleural fat.

In addition multiple rib fractures are seen. 

Case Discussion

Extrapleural hematoma is usually caused by trauma. It is produced by rupture of intercostal or internal mammary vessels. There is no interruption of the parietal pleura, which allows blood to stay in the extrapleural space. It is usually associated with rib fractures.

The observed very thin hypodense line representing the parietal pleura is a helpful imaging feature of these extrapleural collections.

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