engleski

Posterior dislocation of the shoulder

Posterior dislocation of the shoulder is a rare but clinically and radiologically well defined entity. It accounts for less than 2% of all shoulder dislocations. Posterior dislocation is of diagnostic and therapeutic interest because majority of the posterior dislocations are missed by initial physician . Chronic posterior dislocations of the shoulder have been refereed to by many terms including, old, missed, locked and fixed. The term locked or fixed dislocation has been used to describe irreducible acute dislocations associated with impression defect of the humeral head. Chronic posterior dislocation of the shoulder is a result of a missed acute posterior dislocation which has been unrecognized for more than three weeks and is characterized by the impression fracture of the articular surface of the humeral head.

shoulder; dislocation; posterior

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