PMC5045469_01
Radiograph of the patient's knee before TKA revealing posttraumatic osteoarthritis.
gr1.jpg
PMC5045469_01_gr1.jpg
fig1
Preoperative and postoperative radiographs are shown in Figures 1 and 2.
Radiograph of the patient's knee after TKA.
gr2.jpg
PMC5045469_01_gr2.jpg
fig2
Preoperative and postoperative radiographs are shown in Figures 1 and 2.
Image of the knee revealing PTJI.
gr3.jpg
PMC5045469_01_gr3.jpg
fig3
Dynamic fluoroscopy of the PTFJ was done at 15 months and PTJI was diagnosed (Fig. 3).When looking back at previous radiographs, lateralization of the fibular head was present from the initial trauma and was missed by the surgeon initially taking care of this patient.
Image of the knee after arthrodesis showing the placement of 2 cancellous screws across the PTFJ to stabilize the proximal fibula.
gr4.jpg
PMC5045469_01_gr4.jpg
fig4
PTFJ to stabilize the proximal fibula (Fig. 4). Postoperatively, immediate weight bearing was allowed and early motion was encouraged.