- Etiology: infected fluid (pus) in pleural space
- Imaging: nonspherical in shape, displaces lung, +/- loculated, split pleura sign (sign of fluid in pleural space), obtuse angles to chest wall, thickened pleura, enhancing rim sign (sign of pleural inflammation due to empyema)
- US: loculated pleural fluid
- DDX: lung abscess
Radiology Cases of Pleural Empyema

