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Fig. 6 | Journal of Orthopaedic Surgery and Research

Fig. 6

From: Posterior percutaneous endoscopic lumbar discectomy combined with the vertical anchoring technique for lumbar disc herniation with distant upward migration

Fig. 6

Case 1: a 74-year-old male patient was admitted to the hospital due to “pain and numbness in the right lower extremity for 19 h”. Lumbar MRI showed that the L4/5 intervertebral disc had migrated to zone 1 in the upper right part of the body (Fig. 6a, b). The patient underwent posterior PELD. During surgery, the herniated intervertebral disc was removed. MRI was repeated to confirm complete removal of the herniated disc in the spinal canal (Fig. 6c, d). Three-dimensional computed tomography (CT) reconstruction indicated that the bone tunnel was located at the lower edge of the lamina, which was consistent with the preoperative plan (Fig. 6e, f)

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