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​Symptoms and Signs – Differential Diagnosis of Facial Paralysis
INFECTION
• Bacterial: otitis media, mastoiditis, meningitis, Lyme disease
• Viral: herpes zoster, mononucleosis, varicella, rubella, mumps,
Bell’s palsy
• Mycobacterial: TB, meningitis, leprosy
• Miscellaneous: syphilis, malaria
TRAUMA
• Temporal bone fracture, facial laceration
• Surgery
NEOPLASM
• Malignant: squamous cell carcinoma, basal cell and adenocystic
tumors, leukemia, parotid neoplasms, metastatic tumors
• Benign: facial nerve neuroma, vestibular schwannoma, congenital
cholesteatoma
IMMUNOLOGIC
• Guillain-Barré syndrome, periarteritis nodosa
• Reaction to tetanus antiserum
METABOLIC
• Pregnancy
• Hypothyroidism
• Diabetes mellitus (DM)
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