{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T14:16:24Z","timestamp":1782915384046,"version":"3.54.5"},"reference-count":11,"publisher":"Scientific Scholar","content-domain":{"domain":["surgicalneurologyint.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec id=\"st1\">\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Migrated lumbar foraminal disc herniation (FDH) poses a great challenge, requiring the facet joint resection and stabilization procedure. We used a contralateral sublaminar unilateral biportal endoscopic (UBE) approach utilizing O-arm navigation to preserve the facet and effectively resect a FDH.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"st2\">\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Through the sublaminar window, resecting the ligamentum flavum, performing a limited medial facetectomy using O-arm navigation, safely exposed the foraminal zone, allowing for the safe FDH resection.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"st3\">\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Fourteen patients underwent this procedure between 2022 and 2023. Mean operative time was 75 min with minimal blood loss and no perioperative complications. Visual analog scale scores improved markedly: back pain decreased from 8.6 preoperatively to 0.8 at 12 months, and leg pain from 9.2 to 0.4. Radiological analysis showed an average 5.1% reduction in facet joint area without new instability or spondylolisthesis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"st4\">\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Utilizing O-arm navigation, the contralateral sublaminar UBE approach enables safe, precise, and facet-preserving decompression for FDH.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.25259\/sni_1236_2025","type":"journal-article","created":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T12:28:52Z","timestamp":1770985732000},"page":"76","update-policy":"https:\/\/doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["3D-Navigation guided sublaminar contralateral unilateral biportal endoscopy (UBE) for migrated foraminal disc in the lumbar spine: A technical note and case series"],"prefix":"10.25259","volume":"17","author":[{"given":"Shailesh","family":"Hadgaonkar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Parth K.","family":"Shah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Parag K.","family":"Sancheti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"10894","published-online":{"date-parts":[[2026,2,13]]},"reference":[{"key":"10.25259\/SNI_1236_2025\/ref-1","doi-asserted-by":"crossref","first-page":"491","DOI":"10.1038\/sj.sc.3101319","article-title":"Foraminal and far lateral lumbar disc herniations: Surgical alternatives and outcome measures","volume":"40","author":"Epstein","year":"2002","journal-title":"Spinal Cord"},{"key":"10.25259\/SNI_1236_2025\/ref-2","article-title":"Unilateral biportal endoscopic (UBE) surgery","author":"Heo","year":"2017","journal-title":"Contralateral 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