Traumatic vertebral artery dissection in a child with brachial plexus injury.

Traumatic vertebral artery dissection is an unusual event in children, but early recognition and treatment are important to prevent neurological deficits. The authors present a case of a 4-year-old boy with a traumatic extracranial vertebral artery dissection, who suffers from left arm monoplegia due to brachial plexus injury.