Presentation
History of birth trauma and subsequent left shoulder mal-alignment.
Drooping of the left shoulder girdle which appears atrophic (compared to the right side):
asymmetrical reduced/atrophic muscle volume of the left shoulder girdle compared to the right side
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the following osseous changes (glenohumeral dysplasia) include:
the humeral head appears small showing fragmentation and irregularity of its epiphysis. It shows posterior subluxation
signs of mild to moderate glenoid dysplasia evident by truncation of the posterior bony glenoid and indistinct margins
elongated coracoid process is noted
Drooping of the left shoulder girdle which appears atrophic (compared to the right side):
asymmetrical reduced/atrophic muscle volume of the left shoulder girdle compared to the right side
-
the following osseous changes (glenohumeral dysplasia) include:
the humeral head appears small showing fragmentation and irregularity of its epiphysis. It shows posterior subluxation
signs of mild to moderate glenoid dysplasia evident by truncation of the posterior bony glenoid and indistinct margins
elongated coracoid process is noted
Case Discussion
The case demonstrates the chronic denervation sequel of Erb's palsy with left shoulder girdle muscular, osseous and soft tissue atrophic changes.
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