CTICasesIatrogenic Carotid Arterial Port Placement
Imaging findings
Chest radiograph and CT show a central venous port catheter where the tunneled catheter incorrectly accesses the internal carotid artery rather than the jugular vein. The catheter then extends retrograde down through the carotid artery, into the aortic arch, and terminates in the ascending aorta.
Key takeaways
Inadvertent arterial placement of central venous ports or catheters is a rare but severe iatrogenic complication. If the carotid artery is accidentally accessed during a jugular approach, the catheter will project medially over the aortic knob on chest radiograph. A CT angiography or blood gas is diagnostic.
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