CTICasesDiaphragmatic Pseudo-Rupture post Trauma
Imaging findings
Chest radiograph and CT show a new, focal hump (eventration) of the left hemidiaphragm following a fall from a log. CT obtained immediately post-injury shows a diaphragmatic hematoma and adjacent splenic injury, but the diaphragmatic membrane is intact without herniation.
Key takeaways
Blunt trauma can cause a diaphragmatic hematoma and localized muscle weakening, leading to a delayed focal eventration (pseudo-rupture). This can mimic a true diaphragmatic hernia on radiographs but represents a thinned, intact diaphragmatic membrane on CT.
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