ArticleJournal of orthopaedic case reports2024
Diagnostic Dilemma: Unusual Post-replacement Hip Pain Following Trauma Leading to Metallosis - A Case Report.
Article in Journal of orthopaedic case reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Metallosis, characterized by the collection of metallic debris in periarticular tissues, is primarily associated with metal-on-metal bearings in hip arthroplasty. This report presents a rare case of metallosis after metal-on-polyethylene (MoP) total hip arthroplasty (THA), highlighting diagnostic challenges and management strategies. Metallosis following MoP arthroplasty is extremely rare, with only a limited number of documented cases in the literature. Case Report: A 70-year-old man presented with post-traumatic hip pain and instability 6 years after an uncemented MoP THA. Radiographs revealed a fractured acetabular cup with metal fragments and displacement of the femoral head. A computed tomography scan confirmed liner failure, cup breakage, and radiodense opacities around the joint. Given the post-traumatic presentation and the risk of heterotopic ossification, the patient underwent revision surgery. Revision surgery involved acetabular component exchange, and clinical follow-up indicated satisfactory outcomes. Conclusion: This case highlights the atypical presentation of metallosis following MoP THA, emphasizing the significance of early diagnosis and awareness for optimal patient outcomes.
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