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INCIDENTALOMA FOUND IN A METAL-ON-METAL REVISION TOTAL HIP ARTHRO-PLASTY: A CASE REPORT.

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By Gabriele Falzarano et al. on December 10, 2014 Embj

Metal-on-metal coupling in total hip replacements has traditionally been a valid alterna-tive to other total hip bearings for young adults and very active elderly patients. Unfortu-nately, clinical experience has revealed that the difference in strength between the tita-nium alloy stem and the cobalt alloy-bearing surface leads to a conflict between the acetabular component and the head, which inturn leads to abnormal wear and osteolysis. The major problems are osteolysis, metal ion intoxication, potential genome toxicity, neoplasms, allergies and implant failure. The authors present an incidental finding of a pseudotumour of the external rotators of the hip in a total hip replacement (THR) revision in a 68 year old female patient.

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Gabriele Falzarano et al.