Schwannoma natural history, complications and prognosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Maneesha Nandimandalam, M.B.B.S.[2]
Clinical presentation
Presentation depends on the location of the tumor (see below) but generally, symptoms are due to local mass effect or dysfunction of the nerve they arise from.
Symptoms of schwannoma depend on the location of the tumor.
- Intracranial schwannoma:
- Acoustic neuroma (most common)
- Sensorineural hearing loss
- Vertigo
- Tinnitus
- Facial weakness
- Facial numbness and tingling
- Headaches
- Dizziness
- Difficulty swallowing and hoarseness
- Taste changes
- Confusion
- Trigeminal schwannoma
- Trigeminal nerve dysfunction
- Facial nerve schwannoma
- Facial nerve dysfunction
- Jugular foramen schwannoma
- Hypoglossal schwannomas
- Hypoglossal nerve dysfunction
- Spinal schwannoma
- Intercostal nerve schwannoma
- Usually asymptomatic
- Intramuscular schwannoma
- Painless mass