Axillary neuropathy: Difference between revisions
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**[[Inferior shoulder dislocation]] | **[[Inferior shoulder dislocation]] | ||
**[[Proximal humerus fracture]] | **[[Proximal humerus fracture]] | ||
*Weak arm abduction (from 15 to 90 degrees) | *[[weakness|Weak]] arm abduction (from 15 to 90 degrees) | ||
*Weak shoulder flexion, extension and rotation of shoulder | *[[weakness|Weak]] shoulder flexion, extension and rotation of shoulder | ||
*Decreased sensation of upper lateral arm (over deltoid) | *[[numbness|Decreased sensation]] of upper lateral arm (over deltoid) | ||
==Differential Diagnosis== | ==Differential Diagnosis== | ||
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==Evaluation== | ==Evaluation== | ||
*Typically a clinical diagnosis in the ED | |||
==Management== | ==Management== | ||
Latest revision as of 23:06, 1 October 2019
Background
- The axillary nerve supplies innervation to:
- Deltoid
- Teres minor
- Long head of triceps
- Skin over lateral shoulder
Clinical Features
- Injury associated with the following injuries:
- Weak arm abduction (from 15 to 90 degrees)
- Weak shoulder flexion, extension and rotation of shoulder
- Decreased sensation of upper lateral arm (over deltoid)
Differential Diagnosis
Upper extremity peripheral nerve syndromes
Median Nerve Syndromes
Ulnar Nerve Syndromes
Radial Nerve Syndromes
- Radial neuropathy at the spiral groove (ie. "Saturday night palsy")
- Posterior interosseous neuropathy
Proximal Neuropathies
- Suprascapular neuropathy
- Long thoracic neuropathy
- Axillary neuropathy
- Spinal accessory neuropathy
- Musculocutaneous neuropathy
Other
Evaluation
- Typically a clinical diagnosis in the ED