The Journal of Arthroplasty
Volume 27, Issue 2 , Pages 324.e5-324.e8, February 2012

Inflammatory Pseudotumor Complicating Metal-On-Highly Cross-Linked Polyethylene Total Hip Arthroplasty

  • Alan J. Walsh, FRCSI(Tr&Orth)

      Affiliations

    • Corresponding Author InformationReprint requests: Alan J. Walsh, FRCSI(Tr&Orth), Department of Orthopaedic Surgery, Room E-050, Jewish General Hospital, 3755 Chemin de la Cote-Sainte-Catherine, Montreal, Quebec, Canada H3T1E2.
    • ,
  • Vassilios S. Nikolaou, MD, PhD
    • ,
  • John Antoniou, MD, PhD, FRCSC

Received 7 September 2010; accepted 5 March 2011. published online 18 April 2011.

Abstract 

Inflammatory masses or cysts occurring in the pelvis, thigh, and gluteal regions, often mimicking infection, occasionally arise after total hip arthroplasty procedures. Inflammatory pseudotumors comprise a subgroup of these lesions. Pseudotumors have been associated with pain, rashes, instability, neuropathy, and premature loosening of prosthetic components, often leading to early and difficult revision surgery. The association between such pseudotumors and metal-on-metal bearings has led to questions regarding the performance of these bearings in hip arthroplasty. We present a case of pseudotumor requiring revision surgery, which occurred uniquely around a metal-on-highly cross-linked polyethylene bearing.

Keywords: pseudotumor, cross-linked, polyethylene, hip, arthroplasty

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 The Conflict of Interest statement associated with this article can be found at doi:10.1016/j.arth.2011.03.013.

 The investigation was performed at the Department of Orthopaedic Surgery, Arthroplasty Division, Jewish General Hospital, McGill University, Montreal, Quebec, Canada.

PII: S0883-5403(11)00111-2

doi:10.1016/j.arth.2011.03.013

The Journal of Arthroplasty
Volume 27, Issue 2 , Pages 324.e5-324.e8, February 2012

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