case_images: PMC7102450_01
case_images: Left knee AP and lateral radiographs showing avulsion fracture of the tibial tuberosity.
case_images: CRIOR2020-8650927.001.jpg
case_images: PMC7102450_01_CRIOR2020-8650927.001.jpg
case_images: fig1
case_images: Radiographs of the left knee showed an avulsion fracture of the tibial tuberosity (Figure 1).
case_images: Intraoperative lateral radiograph showing fixation with spiked washer and partially threaded cancellous screws.
case_images: CRIOR2020-8650927.002.jpg
case_images: PMC7102450_01_CRIOR2020-8650927.002.jpg
case_images: fig2
case_images: Extensor retinaculum tears on either side were repaired (Figure 2).
case_images: Lateral radiographs of the knee after the second injury with migration of the washer and failure of fixation.
case_images: CRIOR2020-8650927.003.jpg
case_images: PMC7102450_01_CRIOR2020-8650927.003.jpg
case_images: fig3
case_images: Repeat radiographs of the knee showed migration of the screw and spiked washer (Figure 3).