CTICasesMisplaced Central Venous Catheter in Accessory Hemiazygos Vein
Imaging findings
CT chest shows a central venous catheter placed via the left jugular vein that courses through the left superior intercostal vein and accessory hemiazygos vein, crossing into the azygos arch to terminate in the SVC, without venous perforation.
Key takeaways
Similar to historical cases, modern central lines can enter the left superior intercostal and accessory hemiazygos veins if there is proximal venous stenosis or anatomical variation, highlighting the importance of verifying catheter tip position prior to use.
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See all cases from April 30, 2020 →