Samuel F. Thompson, BS, Blake E. Peterson, MD, Ajay Aggarwal, MD

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Presentation transcript:

Acute, recurrent total knee dislocation: Polyethylene dislocation and malreduction Samuel F. Thompson, BS, Blake E. Peterson, MD, Ajay Aggarwal, MD Arthroplasty Today Volume 1, Issue 1, Pages 7-10 (March 2015) DOI: 10.1016/j.artd.2015.01.001 Copyright © 2015 Terms and Conditions

Fig. 1 Lateral knee radiograph after attempted closed reduction revealing persistent subluxation. Outline illustrates the posterior to anterior sloping of the polyethylene insert. Arthroplasty Today 2015 1, 7-10DOI: (10.1016/j.artd.2015.01.001) Copyright © 2015 Terms and Conditions

Fig. 2 Lateral knee radiograph at presentation to our clinic revealing posterior dislocation of the tibia. Outline illustrates the posterior to anterior sloping of the polyethylene insert. Arthroplasty Today 2015 1, 7-10DOI: (10.1016/j.artd.2015.01.001) Copyright © 2015 Terms and Conditions

Fig. 3 Intraoperative photos revealing 180° spinout of the polyethylene insert (A) as well as the lateral gapping in flexion (B). Arthroplasty Today 2015 1, 7-10DOI: (10.1016/j.artd.2015.01.001) Copyright © 2015 Terms and Conditions