serpentine aneurysm

ser·pen·tine an·eu·rysm

dilation and tortuosity of an artery, sometimes affecting the temporal, splenic, or iliac arteries in old people.
References in periodicals archive ?
The residual lumen of a serpentine aneurysm is made up of channels formed within the thrombus, not the true lumen of the parent vessel.
Management of a giant middle cerebral artery fusiform serpentine aneurysm with distal clip application and retrograde thrombosis.