C P Angle Neurinoma C1332905
A usually non-cancerous tumor that develops where the brain meets the brainstem. It can affect hearing, balance, and facial sensation. Treatment depends on size and symptoms.
Key facts at a glance
- ICD-10
- C80.1
- ICD-11
- 2A00.0
- Body system
- oncologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Facial numbness
Generalized symptoms
(oncologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Unilateral hearing loss
(nervous system)Tinnitus
(nervous system)Imbalance
(nervous system)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Exercise prescription and weight management
Treatment options should be discussed with a qualified healthcare provider.
Retrosigmoid Craniotomy with Tumor Resection
Microsurgical removal of the acoustic neuroma through a keyhole approach behind the ear, preserving facial nerve function when possible.
Stereotactic Radiosurgery
Focused radiation therapy delivering precise high-dose beams to the tumor over multiple sessions, halting growth while avoiding open surgery.
Additional treatment options
Serial MRI Surveillance
Regular imaging to track tumor growth rate and assess hearing preservation, appropriate for small tumors or elderly patients.
monitoringVestibular Suppressants
Medications to manage dizziness and imbalance symptoms caused by vestibular nerve compression during observation or preoperatively.
medicationVestibular Rehabilitation Therapy
Specialized physical therapy exercises to improve balance, reduce dizziness, and enhance compensation for vestibular dysfunction.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is C P Angle Neurinoma C1332905?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy