Rotator cuff tear
Shoulder pain, limited movement and history of recurrent shoulder dislocations
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Complete tear of supra and infraspinatus tendons with fatty degeneration of supraspinatus muscle. A gap of 2.5 cm separates the distal end of supraspinatus tendon from its insertion. There is a joint effusion and subacromial subdeltoid bursal fluid collection.
Partial tear of subscapularis tendon due to subcoracoid impingement.
Bony Hill Sachs lesion of the humeral head from previous dislocation.
The rotator cuff tear may occur after trauma... In this case the acromioclavicular (AC) osteoarthritis is mild to cause full thickness tear.
Differential diagnoses include
- partial tear
- adhesive capsulitis
- AC osteoarthritis
- 1. Morag Y, Jacobson JA, Miller B et-al. MR imaging of rotator cuff injury: what the clinician needs to know. Radiographics. 2006;26 (4): 1045-65. Radiographics (full text) - doi:10.1148/rg.264055087 - Pubmed citation
- 2. Stoller D, Tirman P, Bredella M et-al. Diagnostic imaging. AMIRSYS. (2004) ISBN:0721629202. Read it at Google Books - Find it at Amazon