CTICasesPhrenic Nerve Paralysis Secondary to Chiropractic Manipulation
Imaging findings
Chest radiographs demonstrated a significant elevation of the right hemidiaphragm, with the elevation extending posteriorly, indicative of paralysis or severe weakness. A comparative CT revealed marked thinning and atrophy of the right crus compared to a robust appearance on a previous study, corroborating phrenic nerve dysfunction. Fluoroscopy confirmed almost complete paralysis of the right hemidiaphragm.
Key takeaways
This case highlights diaphragmatic paralysis, diagnosed by characteristic diaphragmatic elevation and crus atrophy on CT, and identifies chiropractic manipulation of the neck as a potential, albeit unusual, cause of phrenic nerve injury.
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