Location: head ,neck, flexor surfaces of the upper and lower extremities, spinal roots, cervical, sympathetic, vagus, peroneal and ulnar nerves

Slow growing
Solitary

Small nerves

Freely movable mass with a single point of deep attachment

Large nerves

Mass movable except along the long axis of the nerve
Pain
Deep seated tumors
Calcification
Formation of cysts
Neurological symptoms