Metallosis and Pseudotumor around Ceramic-On-Polyethylene Total Hip Arthroplasty; Case Report and Literature Review
Journal Title: International Journal of Medical Research & Health Sciences (IJMRHS) - Year 2016, Vol 5, Issue 9
Abstract
Polyethylene failure is a rare complication of ceramic-on-polyethylene total hip arthroplasty due to characteristics of ceramic. Complications associated with ceramic-on-polyethylene articulations have been studied extensively, however, only few reports have described its catastrophic wear and concurrent pseudotumor formation. The etiology of this biological reaction and concurrency of pseudotumor formation with metallosis remain unclear. We report two cases of wear of the acetabular liner in a ceramic-on-polyethylene prosthesis due to total hip arthroplasty (THA) long time ago. They came back to the clinic with the history of worsening hip pain and abnormal radiological and clinical findings. Then they underwent surgery and metallosis and pseudotumors were detected and revisions were performed for them. It is necessary to evaluate patients underwent THA complaining of hip pain for component wear and be checked the cup appear well fixing and fairly oriented on follow-up radiographies. Close follow ups can prevent accelerated polyethylene wear in ceramic-on-polyethylene coupling THA.
Authors and Affiliations
Afshin Taheriazam| Hip Surgeon, Assistant Professor, Department of Orthopedics Surgery, Tehran Medical Sciences Branch, Islamic Azad University, Tehran, Iran, Corresponding Email: afshintaheriazam@yahoo.com, Amin Saeidinia| General Practitioner, Assistant Researcher, Mashhad University of Medical Sciences, Mashhad, Iran, Member of Young Researchers Club, Rasht Branch, Islamic Azad University, Rasht, Iran
Keywords
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