Bilateral persistent primitive hypoglossal artery presenting with hemiplegia✰
Gagandeep Choudhary1, Kriti Ahuja1, Rihan Khan2
1Department of Radiology, University of Alabama in Birmingham, 619 19th Street South, JT 779, Birmingham, AL 35249-6835, USA.
Abstract:
The manuscript describes an unusual vascular anomaly. Persistence of carotid-vertebrobasilar anastomosis is a rare occurrence with presence of bilateral hypoglossal arteries (HAs) rarer still. We present a case of bilateral persistent HAs with hypoplastic vertebral arteries which end into posterior inferior cerebellar arteries. The computed tomography and magnetic resonance imaging appearance, course, and other associations are discussed. A review of 6 cases of bilateral HA published in the world literature is also discussed.
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