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Facial nerve paralysis is a common problem that involves the paralysis of any structures innervated by the facial nerve. The pathway of the facial nerve is long and relatively convoluted, so there are a number of causes that may result in facial nerve paralysis. [ 2 ]
Facial nucleus & facial Nerve (CN.VII) (1) Ipsilateral paralysis of the upper and lower face (lower motor neuron lesion). (2) Ipsilateral loss of lacrimation and reduced salivation. (3) Ipsilateral loss of taste from the anterior two-thirds of the tongue. (4) Loss of corneal reflex (efferent limb). Principal sensory trigeminal nucleus and tract
Bell's palsy is the most common cause of one-sided facial nerve paralysis (70%). [ 2 ] [ 9 ] It occurs in 1 to 4 per 10,000 people per year. [ 2 ] About 1.5% of people are affected at some point in their lives. [ 10 ]
The House–Brackmann score is a score to grade the degree of nerve damage in a facial nerve palsy. The measurement is determined by measuring the upwards (superior) movement of the mid-portion of the top of the eyebrow, and the outwards (lateral) movement of the angle of the mouth. Each reference point scores 1 point for each 0.25 cm movement ...
This is combination with the retrolabyrinthine and transmastoid approaches, enables visualization of the entire course of the facial nerve and still preserves function of the inner ear. The middle cranial foassa technique is most commonly used for the decompression of the facial nerve in Bell's palsy and longitudinal temporal bone fracture.
In severe cases involving nerve damage, the paralysis can be permanent. Other long-term complications include damaged nerves, facial asymmetry and eye damage. The severity of the paralysis when it ...
According to the Mayo Clinic, Ramsay Hunt Syndrome "occurs when a shingles outbreak affects the facial nerve near one of your ears. In addition to the painful shingles rash, Ramsay Hunt syndrome ...
Smile surgery or smile reconstruction is a surgical procedure that restores the smile for people with facial nerve paralysis. Facial nerve paralysis is a relatively common condition with a yearly incidence of 0.25% leading to function loss of the mimic muscles. [1] The facial nerve gives off several branches in the face. If one or more facial ...