Presentation
Acute shoulder pain with no history of trauma.
Patient Data
Age: 55 years
Gender: Female
From the case:
Infraspinatus tendon avulsion tear
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complete avulsion tear of the infraspinatus tendon with intramuscular edema
articular-sided partial-thickness rupture of the supraspinatus tendon at its insertion site with cleavage tear of the mid portion
acromioclavicular osteoarthritis
no joint effusion
Case Discussion
Features of complete avulsion tear of the infraspinatus tendon. The differential diagnosis for this case is musculotendinous rupture, but there is no residual infraspinatus tendon stump on its insertion on the greater tuberosity.
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