List early symptoms.
Early symptoms: as a result of tumor expansion into the internal acoustic canal (internal auditory meatus), causing pressure on the vestibulocochlear nerve (CN VIII)
Cochlear nerve involvement
Unilateral sensorineural hearing loss (most common symptom)
Tinnitus
Vestibular nerve involvement
Dizziness [3]
Unsteady gait and disequilibrium
List late symptoms.
Late symptoms: caused by pressure of adjacent structures within the cerebellopontine angle
Trigeminal nerve (CN V) involvement: paresthesia (numbness), hypoesthesia (decreased sensation), and/or unilateral facial pain
Facial nerve (CN VII) involvement: peripheral, unilateral facial weakness that can progress to paralysis [3]
Compression of structures in posterior fossa
Cerebellum: ataxia
4th ventricle: hydrocephalus
Zuletzt geändertvor 2 Jahren
