Spinal accessory neuropathy
Revision as of 06:11, 1 August 2020 by Ostermayer (talk | contribs)
Background
- CN XI which innervates the sternocleidomastoid and trapezius muscles[1]
- Commonly removed during radical neck dissection for head and neck cancers
Clinical Features
- Trapezius atrophy
- Weakness of shoulder abduction
- Scapular dyskinesis
Differential Diagnosis
- Iatrogenic
- Radical or modified neck dissection
- Trauma
- Stroke
Evaluation
- Usually a clinical diagnosis
- Positive scapular flip sign
- Outpatient EMG or nerve conduction studies
Management
- NSAIDs
- Shoulder sling
- Physical therapy
- Surgical repair
Disposition
- Discharge with neurology follow up
See Also
External Links
References
- ↑ Kelley MJ et al. Spinal Accessory Nerve Palsy: Associated Signs and Symptoms. J Orthop Sport Phys. 2008;38(2):78-86.