Peroneal nerve syndrome
Causes
- Compression injury at the level of the fibular head.
- May occur in sleep or anesthesia in lateral decubitus position.
- Underweight patients are more commonly affected.
Symptoms & signs
Common peroneal nerve involvement:
- Weakness of foot and toe dorsiflexion and foot eversion.
- Sensory deficit in dorsum of the foot and toes and lateral aspect of lower leg.
Isolated Deep peroneal nerve involvement:
- Weakness of foot and toe dorsiflexion.
- Sensory deficit in the first dorsal web space of foot.
Isolated Superficial peroneal nerve involvement:
- Weakness of foot eversion.
- Sensory deficit in the lateral aspect of the leg and dorsum of the foot and toes, except in the first dorsal web space.