CTICasesIntercostal chest wall herniation
Imaging findings
Serial chest CT scans in a post-transplant patient show a progressive, fat-containing intercostal hernia projecting into the pleural space through a prior thoracotomy defect, which was surgically repaired due to chronic pain.
Key takeaways
Chest wall structures (such as extrapleural fat or muscle) can herniate inward into the pleural space through a prior thoracotomy site due to negative intrathoracic pressure. This can be a source of chronic pain and should be differentiated from a pleural tumor.
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