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Mechanically assisted crevice corrosion of the head-neck taper in a large head metal- on-metal total hip arthroplasty  Joseph Moskal, MD, Matthew Stover,

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Presentation on theme: "Mechanically assisted crevice corrosion of the head-neck taper in a large head metal- on-metal total hip arthroplasty  Joseph Moskal, MD, Matthew Stover,"— Presentation transcript:

1 Mechanically assisted crevice corrosion of the head-neck taper in a large head metal- on-metal total hip arthroplasty  Joseph Moskal, MD, Matthew Stover, DO  Arthroplasty Today  Volume 1, Issue 4, Pages (December 2015) DOI: /j.artd Copyright © Terms and Conditions

2 Figure 1 Pre-surgical anteroposterior pelvis radiograph showing arthritic left hip. Arthroplasty Today 2015 1, DOI: ( /j.artd ) Copyright © Terms and Conditions

3 Figure 2 2 week post-operative anteroposterior radiograph showing left MoM THA. Arthroplasty Today 2015 1, DOI: ( /j.artd ) Copyright © Terms and Conditions

4 Figure 3 3 year post-operative anteroposterior radiograph.
Arthroplasty Today 2015 1, DOI: ( /j.artd ) Copyright © Terms and Conditions

5 Figure 4 5 year post-operative anteroposterior radiograph showing extensive osteolysis of the medial calcar. Arthroplasty Today 2015 1, DOI: ( /j.artd ) Copyright © Terms and Conditions

6 Figure 5 Photograph showing brown-tinged aspirate from the left hip.
Arthroplasty Today 2015 1, DOI: ( /j.artd ) Copyright © Terms and Conditions

7 Figure 6 Photographs showing discoloration consistent with fretting and/ or corrosion of the female and male head-neck taper. Arthroplasty Today 2015 1, DOI: ( /j.artd ) Copyright © Terms and Conditions


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