Percutaneous Endoscopic Lumbar Discectomy via Contralateral Approach: A Technical Case Report

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Study Design.Technical case report.Objective.The authors report a new percutaneous endoscopic lumbar discectomy (PELD) technique for the treatment of lumbar disc herniation via a contralateral approach.Summary of Background Data.When there are highly down-migrated lumbar disc herniation along just medial to pedicle and narrow ipsilateral intervertebral foramen, the conventional PELD is not easily accessible via ipsilateral transforaminal route.Methods.Five patients manifested gluteal and leg pain because of a soft disc herniation at the L4–L5 level. Transforaminal PELD via a contralateral approach was performed to remove the herniated fragment, achieving complete decompression of the nerve root.Results.The symptom was relieved and the patient was discharged the next day.Conclusion.When a conventional transforaminal PELD is difficult because of some anatomical reasons, PELD via a contralateral route could be a good alternative option in selected cases.

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