Loop-the-loop internal carotid artery

Case contributed by Dr. Chris O'Donnell


Assessment of transient neurological deficit ? vascular anomaly

Patient Data

Age: 45
Gender: Male

CT angiography of the neck arteries


Elongated internal carotid arteries bilaterally (arrows) such that the left has a "loop-the-loop" appearance beyond its origin. This per se is not pathological but may reflect underlying atherosclerosis.

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