CTICasesEmbolized Pacemaker Lead to the Pulmonary Artery
Imaging findings
Chest CT demonstrates a fractured, retained pacemaker lead that has migrated and embolized, forming a saddle-like embolus within the main and branching pulmonary arteries.
Key takeaways
Intravascular foreign body migration, such as a fractured pacemaker lead embolizing to the pulmonary arterial tree, is a recognized complication of device placement. If left chronically, they can remain stable and asymptomatic for many years, making extraction unnecessary in some patients.
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