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Biportal Endoscopic Spine Surgery for Various Foraminal Lesions at the Lumbosacral Lesion

By Dae-Jung Choi, Ju-Eun Kim, Je-Tea Jung, Yong-Sang Kim, Han-Jin Jang, Bang Yoo and Il-Ho Kang


The stenosing foramen of L5–S1 by several degenerative diseases is one of the challenging areas on surgical approaching because of the deeper depth and steep slope in the lumbosacral junction. The floating view using unilateral biportal endoscopic spine surgery rather than docking into the Kambin’s zone can make the foraminal structures seen panoramically and permit dynamic handling of various instruments without destroying the facet joint and causing iatrogenic instability. Fine discrimination of structural margins in helps of the higher magnification and gentle manipulation of neural structures just as in open spine surgery could be guaranteed using floating technique from the target structures. Selective decompression with preserving innocent structures including facet joints could relieve foraminal lesions at the L5–S1 and decrease the necessity of fusion surgery caused by wider decompression and iatrogenic instability

Topics: Spinal stenosis, Lumbosacral region, Minimally invasive surgery, Surgical endoscopy, Medicine, R
Publisher: Korean Spine Society
Year: 2018
DOI identifier: 10.4184/asj.2018.12.3.569
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