CTICasesPleural adhesion tethering extrapleural fat
Imaging findings
Chest CT post-lung biopsy demonstrates a pneumothorax where a focal pleural adhesion tethers the visceral pleura to the parietal pleura, pulling a small pedicle of extrapleural fat from the chest wall into the pleural space.
Key takeaways
A focal pleural adhesion can tether the parietal pleura during lung collapse, dragging extrapleural fat into the pleural space. This presents as a benign fat-containing pedicle protruding into the pneumothorax cavity and should not be mistaken for a pleural tumor.
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