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. 2021 Nov 9;13:8399–8409. doi: 10.2147/CMAR.S332985

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© 2021 Cui et al.

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Illustration of minimally invasive tubular surgery. (A) Preoperative X-ray showing bone destruction of L2 vertebra. (B) Preoperative MRI showing metastatic epidural spinal cord compression due to collapsed L2 metastatic lesion. (C) minimally invasive decompression was performed through an expandable tubular retractor. (D) Postoperative X-ray, and CT scan were showing the decompression site and implants. (asterisk *, bone cement; double asterisk **, dural sac; triple asterisk ***, cephalic).