1. Incarcerated fracture fragments of Longevity polyethylene liners after total hip arthroplasty 
Michael A. Yee, MD, Thomas J. O'Keefe, MD, Suzanne Winter, MS, CCRC 
Arthroplasty Today 
Volume 2, Issue 1, Pages 6-10 (March 2016)
DOI: /j.artd
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2. Figure 1 Case 1: Initial postoperative right hip radiograph.
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3. Figure 2
Case 1: Anteroposterior hip radiographs. (a) Dislocation of the right hip. (b) Interval relocation of the femoral head within the acetabular cup. The head is subtly eccentric and proud in comparison to the initial postoperative radiograph.
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4. Figure 3
Case 1: Intraoperative picture during right THA revision showing a posterosuperior defect in the acetabular liner. The fracture fragment has been removed from its position interposed between the head and cup.
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5. Figure 4
Case 1: Postoperative right hip radiograph after revision to a constrained liner.
Arthroplasty Today 2016 2, 6-10DOI: ( /j.artd )
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6. Figure 5 Case 2: Initial postoperative right hip radiograph.
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7. Figure 6
Case 2: Anteroposterior hip radiographs. (a) Dislocation of the right hip. (b) Interval relocation of the femoral head within the acetabular cup. The head is concentrically reduced but proud of the initial postoperative position.
Arthroplasty Today 2016 2, 6-10DOI: ( /j.artd )
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8. Figure 7
Case 2: Highly cross-linked polyethylene acetabular liner with posterior rim fracture fragment. Intraoperatively, the fragment was found incarcerated between the liner and the femoral head.
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9. Figure 8
Case 2: Postoperative right hip radiograph after acetabular revision with correction of the abduction angle and liner replacement.
Arthroplasty Today 2016 2, 6-10DOI: ( /j.artd )
Copyright © 2016 The Authors Terms and Conditions