Empyema necessitans

Case contributed by Rania Adel Anan
Diagnosis almost certain


Right chest pain

Patient Data

Age: 65 years
Gender: Female

A large well-demarcated pleural fluid collection with foci of rim calcification is seen in the upper part of the right hemithorax related to the right upper lobe with extension through the chest wall into an extrathoracic compartment. There is associated bony erosion of the adjacent ribs especially the third rib.

Case Discussion

Empyema necessitans refers to extension of a pleural empyema out of the pleural space and into the neighboring chest wall and surrounding soft tissues.

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