Basilar artery aneurysm

Case contributed by Lee Condon
Diagnosis certain

Presentation

Left sided neck pain. Transiently decreased visual acuity in left eye.

Patient Data

Age: 70 years
Gender: Male

Carotid CT Angiogram

ct

Basilar artery aneurysm with a maximal diameter of 23 mm. Dolichoectasia of the distal vertebral arteries (left more than right).  Associated long segment non-occlusive thrombus within the proximal basilar artery, extending for approximately 28 mm. 

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