Suprascapular neuropathy
Updates to Article Attributes
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was changed:
Suprascapular neuropathy or suprascapular nerve entrapment occurs if the suprascapular nerve is compressed as it passes through the suprascapular notch or spinoglenoid notch.
Clinical presentation
Non-specific posterior shoulder pain and weakness.
Pathology
Aetiology
- masses (e.g. ganglion cyst, paralabral cyst, tumour) in the suprascapular or spinoglenoid notch
- traction injury (from sports with overhead action)
- direct trauma
-
scapular or humeral fractures (e.g. bony fragments,
callouscallus formation) - anterior shoulder dislocation
- complete and retracted supraspinatus tendon tear
Radiographic features
MRI
- direct features of entrapment 3
-
nerve swelling
,with an increasedsize and signalcross-sectional diameter - signal changes of the nerve
- visualisation of the causative factor
-
nerve swelling
- indirect features of entrapment via features of muscle atrophy or acute denervation 3
- supraspinatus and infraspinatus muscles: compression at the suprascapular notch
- infraspinatus muscle only: compression at the spinoglenoid notch
See also
-<a href="/articles/scapular-fracture">scapular</a> or humeral fractures (e.g. bony fragments, callous formation)</li>- +<a href="/articles/scapular-fracture">scapular</a> or humeral fractures (e.g. bony fragments, callus formation)</li>
-<li>swelling, increased size and signal of the nerve</li>- +<li>nerve swelling with an increased cross-sectional diameter</li>
- +<li>signal changes of the nerve</li>
-</ul>- +</ul><h4>See also</h4><ul><li><a href="/articles/nerve-compression-syndrome">nerve entrapment syndrome</a></li></ul>
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