{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,16]],"date-time":"2026-05-16T05:08:49Z","timestamp":1778908129207,"version":"3.51.4"},"reference-count":44,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T00:00:00Z","timestamp":1778716800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002642","name":"Korea University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100002642","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>Intrabody cage augmentation has emerged as a minimally invasive technique for anterior column reconstruction in K\u00fcmmell disease and osteoporotic burst fractures. These osteoporotic conditions lead to progressive vertebral collapse, kyphosis, and instability. While cement augmentation provides rapid pain relief, it often fails to reliably restore sagittal balance or ensure biological integration in advanced stages of collapse. Although conventional anterior corpectomy with long-segment posterior fusion can achieve satisfactory deformity correction, these procedures are associated with substantial surgical morbidity. In contrast, screw fixation alone often fails to withstand anterior loading, resulting in loss of correction or hardware failure. By adapting standard interbody devices for off-label intravertebral use, this technique utilizes the intravertebral cleft as a natural cavity to restore vertebral height and sagittal alignment while preserving adjacent intervertebral discs and reducing stress on posterior instrumentation. The surgical technique involves transpedicular access, meticulous curettage of necrotic tissue, and insertion of a cage packed with osteoinductive material. This approach minimizes surgical trauma and operative time compared with conventional corpectomy procedures. Reported outcomes from retrospective series suggest promising pain relief, maintenance of correction, and low complication rates. Collectively, current evidence suggests that intrabody cage augmentation may serve as a potential, less invasive surgical option, acting as an intermediate approach between cement augmentation and corpectomy. However, as the existing evidence remains preliminary, high-quality prospective comparative studies are required to establish definitive indications and long-term efficacy.<\/jats:p>","DOI":"10.3390\/jcm15103790","type":"journal-article","created":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T16:27:56Z","timestamp":1778776076000},"page":"3790","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Intrabody Cage Augmentation in K\u00fcmmell Disease and Osteoporotic Burst Fractures: Technical Insights and Narrative Review of Current Evidence"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8425-4961","authenticated-orcid":false,"given":"Sun Woo","family":"Jang","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung 25440, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junseok W.","family":"Hur","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Younggyu","family":"Oh","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sungjae","family":"An","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jin Hoon","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Subum","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul 02841, Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,5,14]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1","DOI":"10.3340\/jkns.2017.0505.010","article-title":"Posttraumatic Delayed Vertebral Collapse: Kummell\u2019s Disease","volume":"61","author":"Lim","year":"2018","journal-title":"J. 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