Differential Diagnosis of Shoulder Pain

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- Differential Dx:
    - Brachial Plexus Injury
    - Brachial Neuritis
    - Instability
          - anterior
          - posterior
          - multidirectional
    - Biceps Tendonitis
    - Avascular Necrosis of the Humeral Head;
    - Degenerative Osteoarthrosis
    - Calcific Tendinitis
    - Neuropathic Shoulder
    - Parsonage-Turner Syndrome:
    - Rotator Cuff Pathology
    - Suprascapular nerve impingement
    - Thoracic Outlet Syndrome