Rotator cuff tear and muscle atrophy

Case contributed by Dr Maulik S Patel

Presentation

History of fall on ground - 3 mths back. Complainting of loss of left shoulder overhead abduction.

Patient Data

Age: 70 yrs
Gender: Male

There is mild reduction of the acromio-humeral space. There is subchondral sclerosis involving  the acromion process of the scapula as well as the greater tuberosity of humeral head.

There is no fracture or dislocation. There  is no soft tissue calcification.

Ultrasound

Symptomatic LEFT shoulder : 

  • Non-visualization of supraspinatus - Infraspinatous tendons.
  • Volume loss as well as fatty infiltration involving supraspinatus and infraspinatus muscle bellies.
  • Intact biceps long head 
  • Intact subscapularis tendon.

 

Asympatomatic RIGHT shoulder : 

  • Cuff is normal and intact.
  • Supraspinatus and infraspinatus muscle bellies are normal in echopattern and bulk.

Case Discussion

 

Elderly male patient with history of fall on ground presents with complaint of loss of left shoulder over-head abduction. Ultrasound shows non-visualization of supraspinatus tendon meaning retaction more than 30 mm. Infraspinatous tendon is also involved in tear.  There is volume loss as well as fatty infiltration involving supraspinatus and infraspinatus muscle bellies.

Asympatomatic right cuff was examined for comparision. Right cuff is normal and intact. Right supraspinatus and infraspinatus muscle bellies are normal in echopattern and bulk.

 

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Case information

rID: 12493
Case created: 1st Dec 2010
Last edited: 2nd May 2017
Inclusion in quiz mode: Included

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