CTICasesThoracic Aortic Thrombus in HIT
Imaging findings
CT chest shows a new, giant, homogeneous, low-attenuation thrombus along the greater curvature of the aortic arch. The thrombus was not present six months prior. The patient developed heparin-induced thrombocytopenia (HIT).
Key takeaways
Spontaneous thrombosis of the thoracic aorta is a rare, high-risk condition. In older patients, it can be triggered by hypercoagulable states, including heparin-induced thrombocytopenia (HIT). The thrombus typically locates along the greater curvature and is treated medically to avoid embolization.
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