Schwannoma

Definition

 

Benign tumour of Schwann cells

 

Symptoms

 

May have a positive Tinel's

 

Pathology

 

Eccentrically located in nerve

- fascicles are splayed over it

 

Isolated

- Malignant degeneration rare

 

Part of NF syndrome

- malignant degeneration may be as high as 15%

 

Management

 

Surgical excision using microscope

- dissect fascicles off Schwannoma