CTICasesPericardiophrenic Vein Collateral in SVC Obstruction
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Imaging findings
CT demonstrates SVC obstruction with minimal contrast in the innominate vein or SVC. A prominent collateral vessel is seen originating from the left innominate vein, coursing inferiorly, and draining towards the IVC, consistent with an enlarged pericardiophrenic vein.
Key takeaways
This case provides a nice example of the pericardiophrenic vein serving as a collateral pathway in the context of SVC obstruction, connecting the left innominate vein to the IVC, and is a useful anatomical recognition point.
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