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A 44-Year-Old Man with Bilateral Facial Droop 

A 44-Year-Old Man with Bilateral Facial Droop
A 44-Year-Old Man with Bilateral Facial Droop

Jeffrey A. Cohen

, Justin J. Mowchun

, Victoria H. Lawson

, and Nathaniel M. Robbins

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date: 17 June 2021

Facial neuropathy is most commonly seen as an idiopathic unilateral palsy known as Bell’s palsy. Generally, acute onset of typical lower motor neuron facial weakness that is not associated with other atypical or suspicious features, remains unilateral, and recovers completely requires no further workup. A recurrent or bilateral peripheral facial palsy makes an idiopathic cause less likely and prompts a more in-depth workup. The appropriate work-up of unilateral or bilateral facial palsy guided by the presence or absence of associated clinical findings is discussed. The major differentials for bilateral facial paresis include brainstem (especially pontine and prepontine) tumors, Lyme disease (especially in endemic areas), basal menigitides, Guillain-Barre syndrome, and sarcoidosis.

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