CTICasesLarge Diaphragmatic Eventration with Preserved Phrenic Nerve Function
Imaging findings
Pre-operative chest radiographs and CT showed marked elevation of the left hemidiaphragm. Crucially, the left crus appeared robust and of normal thickness on CT, contrasting with the atrophy seen in paralysis and pointing toward diaphragmatic eventration. Post-operative imaging confirmed successful plication and preserved phrenic nerve function, as evidenced by persistent normal crus thickness.
Key takeaways
This case differentiates diaphragmatic eventration from paralysis by demonstrating a robust crus on CT in eventration, indicating preserved phrenic nerve function. It also illustrates a surgical technique for plication that aims to preserve existing nerve function by operating laterally.
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