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Fig. 3 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 3

From: Postoperative 320 multi-slice computed tomography in assessment of pedicle screw insertion in thoraco-lumbar fixation

Fig. 3

Internal fixation of L4, L5, and S1 vertebrae with rods and multiple screws. ac Axial cuts are showing lateral violation of the screw in the left pedicle of L4 vertebra (grade III) and anterior vertebral body penetration of L4, L5, and S1 vertebrae by the right and left screws, and there is widening of the furrow “tunnel” around the screws. d Coronal reconstruction is showing penetration of the upper vertebral end plate of L4 vertebra by the screws. e, f 3D reconstruction sagittal cuts confirm the anterior penetration of the anterior aspects of the vertebrae

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