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. 2006 Jul;21(7):C7–C10. doi: 10.1111/j.1525-1497.2006.00466.x

Table 1.

Differential Diagnosis of Acquired Bilateral Peripheral Facial Palsy

Trauma Skull fractures
Parotid surgery
Mastoid surgery
Infection Postinfluenza
Infectious mononucleosis
HIV infection
Lyme disease, Banwarth's syndrome
Guillain–Barre syndrome
Syphilis
Brainstem encephalitis
HTLV-1 infection
Poliomyelitis
Metabolic Diabetes
Acute porphyria
Neoplastic Acute leukemia
Acoustic neuroma
Autoimmune Sarcoidosis
Amyloidosis
Neurological Multiple sclerosis
Pseudobulbar and bulbar palsy
Parkinson's disease
Idiopathic Bell's palsy

HTLV, human T-cell lymphotrophic virus.