Infraspinatus tendon avulsion tear

Case contributed by Yahya Baba

Presentation

Acute shoulder pain with no history of trauma.

Patient Data

Age: 55 years
Gender: Female
  • 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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