Axillary neuropathy: Difference between revisions
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**Long head of triceps | **Long head of triceps | ||
**Skin over lateral shoulder | **Skin over lateral shoulder | ||
==Clinical Features== | ==Clinical Features== | ||
*Weak arm abduction (from 15 to 90 degrees) | [[File:Cutaneous innervation of the upper limb.svg|thumb|Cutaneous innervation of the upper limb]] | ||
*Weak shoulder flexion, extension and rotation of shoulder | *Injury associated with the following injuries: | ||
*Decreased sensation of upper lateral arm (over deltoid) | **[[Anterior shoulder dislocation]] | ||
**[[Inferior shoulder dislocation]] | |||
**[[Proximal humerus fracture]] | |||
*[[weakness|Weak]] arm abduction (from 15 to 90 degrees) | |||
*[[weakness|Weak]] shoulder flexion, extension and rotation of shoulder | |||
*[[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