{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T07:53:39Z","timestamp":1773215619184,"version":"3.50.1"},"reference-count":15,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"C","license":[{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2025,7,14]],"date-time":"2025-07-14T00:00:00Z","timestamp":1752451200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>This paper presents a case of lumbar intraspinal synovial cysts (LISCs) associated with secondary osteoporosis, contributing to current understanding of LISC pathogenesis and offering a safe, effective surgical strategy tailored to complex clinical conditions.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case report:<\/jats:title>\n                    <jats:p>A 61-year-old woman with a history of rheumatoid arthritis and osteoporosis (lumbar spine T-score: \u22122.6) underwent posterior lumbar interbody fusion (PLIF) at the L4\/5 segment for lumbar disc herniation and spondylolisthesis, as confirmed by MRI.<\/jats:p>\n                    <jats:p>Ten months postoperatively, she developed a synovial cyst at the L3\/4 segment, accompanied by a fracture of the L5 pedicle screw. Therefore, she underwent a revision surgery involving cyst excision, bone cement-reinforced screw fixation, and Waveflex semi-rigid rod implantation. The postoperative recovery was smooth, and no neurological abnormalities were found during the 9-month follow-up.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>The surgical strategy effectively addressed three major challenges: excision of the cyst in the context of compromised spinal stability, revision fixation in osteoporotic bone using cement augmentation, and mitigation of adjacent segment degeneration (ASD) through motion-preserving Waveflex semi-rigid stabilization.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The combination of cyst resection, Waveflex semi-rigid fixation, and cement-reinforced screw placement demonstrated favorable safety and efficacy in revision lumbar fusion for patients with secondary osteoporosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1016\/j.ijscr.2025.111690","type":"journal-article","created":{"date-parts":[[2025,7,18]],"date-time":"2025-07-18T07:04:26Z","timestamp":1752822266000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["Surgical treatment of special type of adjacent segment disease \u2013 lumbar intraspinal synovial cysts in patients with osteoporosis: A case report"],"prefix":"10.1097","volume":"134","author":[{"given":"Lai-Zhou","family":"Ji","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ming-Zuo","family":"Guo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Si-Peng","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hao-Xuan","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"276","reference":[{"issue":"3","key":"R1-24-20260310","doi-asserted-by":"crossref","first-page":"93","DOI":"10.14245\/kjs.2017.14.3.93","article-title":"Hemorrhagic lumbar synovial cyst after microscopic discectomy","volume":"14","author":"Kim","year":"2017","journal-title":"Korean J Spine"},{"issue":"5","key":"R3-24-20260310","first-page":"371","article-title":"The inflammatory processes in sciatica due to intervertebral disk hernia","volume":"4","author":"Vosschulte","year":"1950","journal-title":"Med Monatsschr"},{"issue":"8","key":"R4-24-20260310","doi-asserted-by":"crossref","first-page":"1176","DOI":"10.1007\/s00586-005-0009-4","article-title":"Spinal lumbar synovial cysts. Diagnosis and management challenge","volume":"15","author":"Khan","year":"2006","journal-title":"Eur. 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