{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T09:14:59Z","timestamp":1783588499198,"version":"3.55.0"},"reference-count":23,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2021,9,19]],"date-time":"2021-09-19T00:00:00Z","timestamp":1632009600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Brain Sciences"],"abstract":"<jats:p>Background: Conventional L5 corpectomy requires a large incision and an extended period of intraoperative fluoroscopy. We describe herein a new L5 corpectomy technique. Methods: A 79-year-old woman was referred to our hospital for leg pain and lower back pain due to an L5 vertebral fracture. Her daily life had been affected by severe lower back pain and sciatica for more than 2 months. We initially performed simple decompression surgery, but this proved effective for only 10 months. Results: For revision surgery, the patient underwent minimally invasive L5 corpectomy with a navigated expandable cage without fluoroscopy. The second surgery took 215 min, and estimated blood loss was 750 mL. The revision surgery proved successful, and the patient could then walk using a cane. In terms of clinical outcomes, the Oswestry Disability Index improved from 66% to 24%, and the visual analog scale score for lower back pain improved from 84 to 31 mm at the 1-year follow-up. Conclusions: Minimally invasive L5 corpectomy with a navigated expandable vertebral cage is effective for reducing cage misplacement and surgical invasiveness. With this new technique, surgeons and operating room staff can avoid the risk of adverse events due to intraoperative radiation exposure.<\/jats:p>","DOI":"10.3390\/brainsci11091241","type":"journal-article","created":{"date-parts":[[2021,9,20]],"date-time":"2021-09-20T07:52:14Z","timestamp":1632124334000},"page":"1241","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Minimally Invasive L5 Corpectomy with Navigated Expandable Vertebral Cage: A Technical Note"],"prefix":"10.3390","volume":"11","author":[{"given":"Taro","family":"Yamauchi","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama 702-8055, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashish","family":"Jaiswal","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama 702-8055, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6685-7451","authenticated-orcid":false,"given":"Masato","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama 702-8055, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshihiro","family":"Fujiwara","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama 702-8055, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshiaki","family":"Oda","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama 702-8055, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shinya","family":"Arataki","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama Rosai Hospital, Okayama 702-8055, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haruo","family":"Misawa","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Okayama University Hospital, Okayama 700-0914, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,9,19]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3074","DOI":"10.1007\/s00586-020-06617-y","article-title":"Surgical approaches to L5 corpectomy: A systematic review","volume":"29","author":"Tarawneh","year":"2020","journal-title":"Eur. Spine J."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1147","DOI":"10.1007\/s00701-017-3084-5","article-title":"L5 corpectomy-the lumbosacral segmental geometry and clinical outcome-a consecutive series of 14 patients and review of the literature","volume":"159","author":"Vazan","year":"2017","journal-title":"Acta Neurochir."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"S16","DOI":"10.1007\/s00586-012-2616-1","article-title":"Access related complications in anterior lumbar surgery performed by spinal surgeons","volume":"22","author":"Quraishi","year":"2013","journal-title":"Eur. Spine J."},{"key":"ref_4","first-page":"101123","article-title":"Minimally invasive thoracolumbar corpectomy with navigated expandable vertebral cage: A technical note","volume":"24","author":"Tanaka","year":"2021","journal-title":"Interdis. Neurosurg."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1097\/BSD.0b013e318167b06b","article-title":"Minimally invasive multilevel percutaneous correction and fusion for adult lumbar degenerative scoliosis: A technique and feasibility study","volume":"21","author":"Anand","year":"2008","journal-title":"J. Spinal Disord. Tech."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"3194","DOI":"10.1007\/s00586-020-06464-x","article-title":"Anterior column reconstruction of the thoracolumbar spine with a new modular PEEK vertebral body replacement device: Retrospective clinical and radiologic cohort analysis of 48 cases with 1.7-years follow-up","volume":"29","author":"Deml","year":"2020","journal-title":"Eur. Spine J."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1016\/j.wneu.2020.07.033","article-title":"C-arm-free circumferential minimally invasive surgery for adult spinal deformity: Technical note","volume":"143","author":"Tanaka","year":"2020","journal-title":"World Neurosurg."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1007\/978-3-211-99370-5_3","article-title":"Imaging in degenerative spine pathology","volume":"108","author":"Colosimo","year":"2011","journal-title":"Acta Neurochir. Suppl."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"289","DOI":"10.1016\/j.ejrad.2007.10.017","article-title":"Percutaneous vertebroplasty with a high-quality rotational angiographic unit","volume":"69","author":"Pedicelli","year":"2009","journal-title":"Eur. J. Radiol."},{"key":"ref_10","first-page":"166","article-title":"Preliminary note on the treatment of vertebral angioma by percutaneous acrylic vertebroplasty","volume":"33","author":"Galibert","year":"1987","journal-title":"Neurochirurgie"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"1511","DOI":"10.1097\/00007632-200107150-00002","article-title":"New technologies in spine: Kyphoplasty and vertebroplasty for the treatment of painful osteoporotic compression fractures","volume":"26","author":"Garfin","year":"2001","journal-title":"Spine"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"44","DOI":"10.1097\/00024720-200402000-00010","article-title":"Radiologic stability of titanium mesh cages for anterior spinal reconstruction following thoracolumbar corpectomy","volume":"17","author":"Robertson","year":"2004","journal-title":"J. Spinal Disord. Tech."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"42","DOI":"10.1016\/j.ijsu.2016.07.050","article-title":"Surgical techniques for osteoporotic vertebral collapse with delayed neurological deficits: A systematic review","volume":"33","author":"Sheng","year":"2016","journal-title":"Int. J. Surg."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"680","DOI":"10.1097\/00007632-198509000-00015","article-title":"Treatment of spondyloptosis by two stage L5 vertebrectomy and reduction of L4 onto S1","volume":"10","author":"Gaines","year":"1985","journal-title":"Spine"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"2535","DOI":"10.1007\/s00264-017-3570-7","article-title":"Posterior only approach for fifth lumbar corpectomy: Indications and technical notes","volume":"41","author":"Elnady","year":"2017","journal-title":"Int. Orthop."},{"key":"ref_16","first-page":"94","article-title":"Anterior-only instrumentation and grafting after L5 corpectomy for non-traumatic lesions","volume":"76","author":"Dai","year":"2010","journal-title":"Acta Orthop. Belg."},{"key":"ref_17","first-page":"e10","article-title":"L5 vertebrectomy for the surgical treatment of tumoral and traumatic lesions of L5 vertebra","volume":"4","author":"Kaner","year":"2012","journal-title":"Orthop. Rev."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1186\/s13018-019-1354-z","article-title":"The analysis of percutaneous pedicle screw technique with guide wire-less in lateral decubitus position following extreme lateral interbody fusion","volume":"14","author":"Hiyama","year":"2019","journal-title":"J. Orthop. Surg. Res."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"138","DOI":"10.1016\/j.wneu.2021.05.028","article-title":"Minimally invasive thoracolumbar corpectomy and percutaneous pedicle screw fixation with computer-assisted rod-bending system in single lateral position: Technical note","volume":"151","author":"Tanaka","year":"2021","journal-title":"World Neurosurg."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"292","DOI":"10.9738\/INTSURG-D-13-00256.1","article-title":"The prone position during surgery and its complications: A systematic review and evidence-based guidelines","volume":"100","author":"Kwee","year":"2015","journal-title":"Int. Surg."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"e1266","DOI":"10.1016\/j.wneu.2018.11.027","article-title":"Minimally invasive thoracolumbar corpectomy and stabilization for unstable burst fractures using intraoperative computed tomography and computer-assisted spinal navigation","volume":"122","author":"Yu","year":"2019","journal-title":"World Neurosurg."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"347","DOI":"10.1097\/BSD.0b013e318260dced","article-title":"Corpectomy of the fifth lumbar vertebra, a challenging procedure","volume":"27","author":"Shousha","year":"2014","journal-title":"J. Spinal Disord. Tech."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"113","DOI":"10.3171\/2012.5.SPINE11399","article-title":"Pedicle screw navigation: A systematic review and meta-analysis of perforation risk for computer-navigated versus freehand insertion","volume":"17","author":"Shin","year":"2012","journal-title":"J. Neurosurg. Spine"}],"container-title":["Brain Sciences"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2076-3425\/11\/9\/1241\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T07:02:23Z","timestamp":1760166143000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2076-3425\/11\/9\/1241"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,9,19]]},"references-count":23,"journal-issue":{"issue":"9","published-online":{"date-parts":[[2021,9]]}},"alternative-id":["brainsci11091241"],"URL":"https:\/\/doi.org\/10.3390\/brainsci11091241","relation":{},"ISSN":["2076-3425"],"issn-type":[{"value":"2076-3425","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,9,19]]}}}