The natural history of metallosis from catastrophic failure of a polyethylene liner in a total hip.
We report on a case of metallosis initially presumed to be heterotopic ossification based on radiologic findings. A 68-year-old man with a total hip arthroplasty experienced failure of the polyethylene liner, resulting in articulation of the ceramic head with the titanium acetabular shell. During revision surgery, extensive metallic debris was evident macroscopically throughout the periprosthetic tissue and was confirmed histologically to be metallosis.
Department of Pathology and Surgery, University of Western Australia, Perth, Western Australia.
Riaz J K
RJ
Khan
James
J
Wimhurst
Sara
S
Foroughi
Andoni
A
Toms
D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects / Q000295:instrumentation*; D002516:Ceramics; D003937:Diagnosis, Differential; D006622:Hip Prosthesis / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008670:Metals; D009999:Ossification, Heterotopic / Q000000981:diagnostic imaging / Q000209:etiology; D020959:Polyethylene; D011475:Prosthesis Failure; D011859:Radiography; D012086:Reoperation; D014025:Titanium; D017211:Treatment Failure
D008670:Metals; D020959:Polyethylene; D014025:Titanium