Subscapularis tendon tear

Case contributed by Maulik S Patel
Diagnosis almost certain

Presentation

H/o fall on ground. Shoulder weakness, pain.

Patient Data

Age: 45 yrs
Gender: Female
ultrasound

Long head of biceps tendon is normal in position and echopatten. No dislocation / subluxation of long head tendon is noted. Short head of biceps is normal.

Subscapularis tendon  - not visualized.

Supraspinatus, infraspinatus tendons  - reveal normal echogenesity. - No tear is noted.

No fatty infiltration / atrophy of supraspinatous or infraspinatous muscles is noted.

No evidence of gleno-humeral joint effusion is noted.

No subacromial - subdeltoid bursal effusion is noted.

Acromio-clavicular joint is normal.               

 

Case Discussion

Non-visualization of a tendon is one of the primary signs of tendon tear.  In this case, there is non-visualization of subscapularis tendon - complete tear.

MR done later ( Not uploaded, no copyright ) - subscapularis tendon - complete tear.

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