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Expert Rev Med Devices. 2014 Nov;11(6):605-16. doi: 10.1586/17434440.2014.940314. Epub 2014 Jul 18.

Percutaneous endoscopic decompression for lumbar spinal stenosis.

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Department of Neurosurgery, Wooridul Spine Hospital, Seoul, South Korea.


Percutaneous endoscopic lumbar discectomy has become a representative minimally invasive spine surgery for lumbar disc herniation. Due to the remarkable evolution in the techniques available, the paradigm of spinal endoscopy is shifting from treatments of soft disc herniation to those of lumbar spinal stenosis. Lumbar spinal stenosis can be classified into three categories according to pathological zone as follows: central stenosis, lateral recess stenosis and foraminal stenosis. Moreover, percutaneous endoscopic decompression (PED) techniques may vary according to the type of lumbar stenosis, including interlaminar PED, transforaminal PED and endoscopic lumbar foraminotomy. However, these techniques are continuously evolving. In the near future, PED for lumbar stenosis may be an efficient alternative to conventional open lumbar decompression surgery.


endoscopic; extraforaminal; foraminotomy; interlaminar; lateral recess; lumbar stenosis; percutaneous; transforaminal

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