CTICasesPulmonary Embolization from Portal Vein Embolization
Imaging findings
Postoperative CT shows multiple linear, branch-like hyperdense emboli in the pulmonary arteries. Review of prior scans shows the patient recently underwent percutaneous portal vein embolization for cholangiocarcinoma, with tract visualization showing contrast/material entering hepatic veins.
Key takeaways
Percutaneous portal vein embolization can rarely cause pulmonary embolization of synthetic embolic materials. This occurs if an iatrogenic portosystemic/portohepatic shunt is created by the access needle.
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