CTICasesIatrogenic Phrenic Nerve Injury
Imaging findings
Post-operative chest radiograph shows new, marked elevation of the left hemidiaphragm and a large soft-tissue hematoma at the surgical site in the left supraclavicular region.
Key takeaways
Vascular surgeries in the supraclavicular region (such as subclavian-to-carotid transposition) carry a risk of phrenic nerve injury. This leads to diaphragmatic paralysis, presenting radiographically as new hemidiaphragm elevation, which can be transient (neuropraxia) or permanent.
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