PMC9816790_01
Computed tomographic (CT) 3-D reconstruction of the patient's spine with no traction applied. The yellow arrow indicates T5, and the blue arrow indicates T6. This image was taken preoperatively, and the patient was under general anesthesia.
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F1
A three-dimensional (3-D) reconstructed image of the dog's vertebral column can be seen in Figure 1. A second CT scan was performed using traction on the spine.
CT 3-D reconstruction of the patient's spine while traction was applied. The patient was in dorsal recumbency in the gantry of the CT. The forelimbs were held in extension and secured to the movable table. Traction, approximately enough to lift the patient (20 kg), was applied to the pelvic limbs which were then secured to the table thereby maintaining traction. The yellow arrow indicates T5, and the blue arrow indicates T6. This image was take preoperatively, and the patient was under general anesthesia.
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F2
The 3-D reconstructed image of the spine while traction was applied can be seen in Figure 2.
Right lateral (A) and dorsoventral (B) two view post-operative radiographs showing two SOP  dorsal locking plates successfully implanted. A 14-hole SOP  locking plate was used on the left side with six 2.7 mm screws placed into the bases of the dorsal spinous processes/laminae of T3, T4, T5, T6, T7, and T8. A second 14-hole SOP  locking plate was used on the right side with five 2.7 mm screws placed into the bases of the dorsal spinous processes/laminae of T2, T4, T5, T6, and T7. The black arrowhead indicates T5, and the white arrowhead indicates T6.
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F3
Post-operative lateral and dorsoventral radiographs were performed and showed near-anatomical alignment and adequate reduction, stabilization, and placement of plates and screws, as seen in Figure 3.
Right lateral (A) and dorsoventral (B) two view recheck radiographs, taken 8 weeks postoperatively, showing the same two SOP  dorsal locking plates as in Figure 3. The black arrowhead indicates T5, and the white arrowhead indicates T6. The red arrow indicates slight loosening of the second screw in the right plate. The screw was still engaged in the vertebra, and no evidence of inappropriate radiolucent halo was seen. No other screws showed evidence of migration and the apparatus was still deemed secure.
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F4
Repeat lateral and dorsoventral radiographs were taken (Figure 4).