Palin did not disclose an exact diagnosis for her condition, though she noted that she underwent a CT scan, numerous tests ...

Treatment of facial nerve weakness or paralysis caused by Bell's palsy ... vascular malformations, congenital malformations, or birth trauma. A personalized treatment plan with the latest therapies ...

While some children are born with facial paralysis because of a developmental or congenital problem ... of imaging used to confirm the presence of nerve damage and determine its severity.