Concealed interstitial delamination

  • 62-year-old male.
  • Left shoulder pain.
  • Unspecified cuff tear or rupture.
  • Not specified as traumatic.
  • No previous surgery or trauma.
  • Pain for 6-9 months.

Long- and short-axis fat- and water-weighted images were performed.

  • Concealed interstitial delamination of the anterior supraspinatus insertion measuring 6mm AP and 9mm medial to lateral. Peritendinobursitis and subchondral insertional pseudocysts. No muscle atrophy.
  • Normal infraspinatus tendon. Small insertional pseudocysts.
  • Normal teres minor tendon.
  • Mild subscapularis tendinopathy. No subcoracoid abutment.
  • Intracapsular arcuate long head biceps tendinosis.
  • No traumatic labral tears. Normal glenohumeral chondral cartilage.
  • Moderate chronic AC joint arthritis with mild subacromial bursitis. Mildly thickened coracoacromial ligament.
  • No suspicious soft tissue or bony lesion. No neural impingement.

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