Dislocated hip prosthesis

Case contributed by Andrew Taylor
Diagnosis certain


Left hip pain and unable to weight bear. Twisted and felt a pop.

Patient Data

Age: 70 years
Gender: Male

The left hip prosthesis is dislocated posterosuperiorly. There is no evidence of periprosthetic fracture. Normal alignment of the right hip prosthesis.

Post Reduction


The left hip prosthesis is now relocated. No periprosthetic fracture or loosening. 

Case Discussion

This case demonstrates a complication of total hip arthroplasty known as component dissociation. Reduction was performed under procedural sedation. 

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