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AP and lateral view X-ray of the left knee.
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X-ray radiographs revealed a Watson-Jones type IIIB avulsion fracture of the tibial tuberosity apophysis (Figure 1).
3D, sagittal, and coronal cuts of CT scan.
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A CT scan showed a step of the articular surface more than 2 mm extending to the posterior-lateral epiphyseal part of the proximal tibia (lateral tibial plateau) (Figure 2).
AP and lateral X-ray of the left knee postoperative day 1.
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Careful placement of the screws was done to not cross the physis with the help of a C-arm (Figure 3).
AP X-ray of the left knee 3 weeks post-op.
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A follow-up X-ray (Figure 4) shows that the fracture is aligned with no loss of reduction or displacement.