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J Korean Neurosurg Soc. 1997 Nov;26(11):1614-1617. Korean. Case Report.
Kong BJ , Bak KH , Oh SH , Kim JM , Kim CH , Kim NK .
Department of Neurosurgery, College of Medicine, Hanyang University, Seoul, Korea.

The authors report a case of far lateral disc herniation at L4-5 found one year after percutaneous laser lumbar discectomy. The patient was found to be suffering from new-onset right lumbar radiculopathy 6 months after his first operation, and post operative lumbar MRI confirmed a far lateral extraforaminal disc herniation at L4-5, with compression of the nerve. This corresponded to the nucleotomy site of the probe. The patient underwent surgery employng the combined paraspinal intertransverse and interlaminar approach, and his symptoms were relieved. This case emphasizes the importance of removing nuclear material, and shows that remaining material can herniate through a percutaneous discectomy window.

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