Etiology of Facial Nerve Disorders
Facial nerve disorders present with a variety of different functional and aesthetic problems such as facial nerve paralysis, synkinesis, and hemifacial spasm.
There are numerous causes of facial nerve paralysis (see table 1). The most common causes include Bell’s palsy, acoustic neuroma, trauma and parotid cancer. In this section you can click on each of the etiologies that you are interested in and get more information.
- Also known as idiopathic facial paralysis, Bell's Palsy is thought to be caused by the reactivation of the herpes simplex virus resulting in inflamation oe swelling of the nerve.
- Must Rule Out Other Causes Of Facial Paralysis
- Trauma to the bony canal behind the ear known as temporal bone fracture can result in facial paralysis.
- Injury can also occur from laceration or surgery to facial nerve in the facial region.
- Cerebellopontine Angle Tumors: Acoustic Neuromas, Meningioma
- Parotid Cancer: Pleomorphic Adenoma, Squamous Cell Carcinoma, Adenoid Cystic Carcinoma, Adenocarcinoma, Mucoepidermoid Carcinoma
- Head & Neck Tumors
- Diabetes Mellitus
- Vitamin A Deficiency
- Opercular Syndrome: Cortical Lesion In Facial Motor Area
- Millard-Gubler Syndrome
- Recurrent Alternating FNP
- Furrowed Tongue
- Faciolabial Edema
- Ethylene Glycol
- Arsenic Intoxication
- Myotonic Dystrophia
- Moebius Syndrome
- Hemifacial Microsomia
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