The Journal of Arthroplasty
Volume 27, Issue 2 , Pages 317-322, February 2012

Detection of Periprosthetic Osteolysis Around Total Knee Arthroplasties:

An In Vitro Study

  • Mario G.T. Zotti, MBBS (Hons)

      Affiliations

    • Corresponding Author InformationReprint requests: Mario G.T. Zotti, MBBS (Hons), Resident Medical Officer Lounge, Royal Adelaide Hospital, North Terrace, Adelaide, South Australia, Australia 5000.
    • ,
  • David G. Campbell, BMBS, PhD, FRACS
    • ,
  • Richard Woodman, BSc (Hons), M.Med.Sci, PhD, M.Biostatistics

Received 17 July 2010; accepted 24 March 2011. published online 06 June 2011.

Abstract 

Periprosthetic osteolysis is a common cause of revision of total knee arthroplasties (TKAs), with plain anteroposterior and lateral (APL) radiographs being the most common method for screening. The aim of this study was to examine the utility of lesion detection and volume appreciation with APL, paired oblique radiographs, and computed tomography. Defects of different sizes were created in 3 cadaveric knees with a cementless TKA in situ and imaged with APL, oblique, and computed tomography modalities. The resultant images were then shown to 3 arthroplasty surgeons, and the absence or presence of lesions, volume size, and confidence in assessment were recorded. The results suggest that the current practice of APL is inferior for the assessment of periprosthetic osteolysis around TKA.

Keywords: osteolysis, detection, total knee arthroplasty, screening, oblique, computed tomography

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 The Conflict of Interest statement associated with this article can be found at doi:10.1016/j.arth.2011.03.047.

PII: S0883-5403(11)00165-3

doi:10.1016/j.arth.2011.03.047

The Journal of Arthroplasty
Volume 27, Issue 2 , Pages 317-322, February 2012

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