A novel use of a tibial cone in a proximal femoral replacement

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Presentation transcript:

A novel use of a tibial cone in a proximal femoral replacement Hilary Koech, BS, Joshua M. Lawrenz, MD, Daniel R. Mesko, DO, Robert M. Molloy, MD  Arthroplasty Today  Volume 4, Issue 2, Pages 175-179 (June 2018) DOI: 10.1016/j.artd.2017.12.006 Copyright © 2017 The Authors Terms and Conditions

Figure 1 Anteroposterior (AP) proximal (a), AP distal (b) and lateral (c) radiographs of the left femur show a stable femoral allograft prosthetic composite in 2008, using an S-ROM stem reinforced with strut grafts laterally. Arthroplasty Today 2018 4, 175-179DOI: (10.1016/j.artd.2017.12.006) Copyright © 2017 The Authors Terms and Conditions

Figure 2 AP (a) and lateral (b) radiographs of the left femur show prosthesis subsidence into the supracondylar region in 2012 and then further distally to the subarticular area of the lateral femoral condyle in 2016 (c and d). Arthroplasty Today 2018 4, 175-179DOI: (10.1016/j.artd.2017.12.006) Copyright © 2017 The Authors Terms and Conditions

Figure 3 An intraoperative photograph was taken during cementation of the proximal femoral replacement stem to the remaining native distal femur. The black arrow draws attention to the interface between the femoral body proximally (toward the top of the photo) and the tibial cone distally (toward the bottom of the photo). Arthroplasty Today 2018 4, 175-179DOI: (10.1016/j.artd.2017.12.006) Copyright © 2017 The Authors Terms and Conditions

Figure 4 Immediate postoperative AP radiographs of the left femur (a and b) show appropriate placement of the proximal femoral megaprosthesis and the associated tibial cone. AP (c and d) and lateral (e) radiographs of the left femur at 1-year follow-up demonstrate stable component positioning without evidence of subsidence. Arthroplasty Today 2018 4, 175-179DOI: (10.1016/j.artd.2017.12.006) Copyright © 2017 The Authors Terms and Conditions