Free-floating thrombus in the internal carotid artery

Case contributed by Michael P Hartung
Diagnosis certain


Transient ischemic attack.

Patient Data

Age: 70
Gender: Male

Small amount of thrombus projecting into the lumen at the right carotid bifurcation. Calcified and non-calcified plaque is present at both carotid bifurcations. 

Case Discussion

There is a small projection of intraluminal thrombus at the right ICA. This has been described as "free floating thrombus", an uncommon finding placing this patient at high risk for a more devastating ischemic event. This is typically managed surgically with carotid endarterectomy or medically with anticoagulation therapy. 

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