Abstract
Acromioclavicular (AC) joint pathology can range from an acute AC joint separation to distal clavicle osteolysis to AC joint arthritis. Traumatic separations of the AC joint are classified based on ligamentous injuries and the relationship between the positions of the distal clavicle and the acromion. Management of AC joint separations can be controversial, with many different techniques available for operative treatment. AC joint arthritis and distal clavicle osteolysis are often appreciated on MRI by increased signal in the AC joint and treated with distal clavicle excision. Suprascapular nerve compression at the suprascapular notch can present with vague shoulder pain and be diagnosed with MRI showing mass lesion, atrophy of supraspinatus and infraspinatus, and EMG. Operative treatment includes arthroscopic decompression by releasing the transverse scapular ligament.
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Cash, B.M., Eliasberg, C.D., Dines, J.S. (2022). Disorders of the AC Joint and Suprascapular Nerve Compression Syndrome. In: Werner, B.C. (eds) MRI-Arthroscopy Correlations. Springer, Cham. https://doi.org/10.1007/978-3-030-94789-7_18
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DOI: https://doi.org/10.1007/978-3-030-94789-7_18
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