Vestibular schwannoma

A vestibular schwannoma, also known as an acoustic neuroma, is a benign tumor that develops on the vestibulocochlear nerve, which connects the inner ear to the brain. These tumors can affect balance, hearing, and facial nerve function.

Treatment strategies are determined individually and depend on factors such as tumor size, growth pattern, symptoms, and the patient’s overall health. Options may include careful monitoring, microsurgical removal, or targeted radiation therapy such as Gamma Knife radiosurgery. This non-invasive technique delivers highly focused radiation to the tumor, aiming to control its growth while minimizing impact on surrounding healthy tissue.

Symptoms may vary depending on tumor size and location, and often develop gradually:

Hearing loss or ringing in the ears (tinnitus)
Imbalance or dizziness
Facial numbness or weakness
Headaches
Ear fullness or pressure

Diagnosis typically involves detailed imaging and functional assessments:

MRI of the brain and internal auditory canal
Audiometric tests to evaluate hearing function
Vestibular (balance) testing
Neurological and cranial nerve examinations

This ensures accurate diagnosis and precise treatment planning.

Treatment depends on tumor characteristics and patient factors:

Microsurgical removal: Traditional surgery to excise the tumor while preserving nerve function
Gamma Knife radiosurgery: Non-invasive, highly precise radiation therapy targeting the tumor
Multidisciplinary care: Collaboration with neurosurgeons, ENT specialists, audiologists, and radiologists for optimal outcomes

Follow-up includes imaging and functional assessments to monitor tumor control and nerve function preservation.

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