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Fig. 4 | BMC Surgery

Fig. 4

From: A practical method for the retrieval of tulip-head polyaxial pedicle screw by reusing the rod in revision and implants removal surgery: introduction of technique and evaluation of clinical outcomes

Fig. 4

Case presentation in Br group. a). Anteroposterior view of a 45-year-old female patient underwent instrumentation from S1 to T12, posterolateral fusion from S1-L3, and interbody fusion of L2/3 five years ago; (b). Lateral view demonstrate the plow-out of screws in T12; (c), (d). We encountered difficulties when retrieving the bilateral L2 and L1 TPS. On account of large-diameter screw failed to provide enough pull-out strength in L2, bone cement was used to augment the screws. Bone cement augmentation was also applied to T10 and T11 to ensure the overall constructive stability

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BMC Surgery

ISSN: 1471-2482

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