{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,2]],"date-time":"2022-04-02T11:00:26Z","timestamp":1648897226617},"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>The surgical management of cervical spondylotic myelopathy (CSM) attributed to os odontoideum (OO with atlantoaxial instability atlantoaxial instability) and subaxial kyphosis together pose significant surgical challenges.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st2\">\n<jats:title>Case Description: <\/jats:title>\n<jats:p>An elderly male presented with CSM\/myelopathy and severe quadriparesis attributed to an unstable OO and 87\u00b0 fixed, subaxial cervical kyphosis. After performing a 540\u00b0 spinal cord decompression with atlantoaxial fixation, the patient did well.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"st3\">\n<jats:title>Conclusion: <\/jats:title>\n<jats:p>Double-level CSM due to an unstable OO and subaxial kyphosis is rare and typically requires combined 540\u00b0 decompression and stabilization.<\/jats:p>\n<\/jats:sec>","DOI":"10.25259\/sni_104_2020","type":"journal-article","created":{"date-parts":[[2020,5,9]],"date-time":"2020-05-09T10:25:05Z","timestamp":1589019905000},"page":"100","update-policy":"http:\/\/dx.doi.org\/10.25259\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Double-level myelopathy due to atlantoaxial dislocation (os odontoideum) and subaxial cervical spondylosis with angular kyphosis"],"prefix":"10.25259","volume":"11","author":[{"given":"Abolfazl","family":"Rahimizadeh","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Housain","family":"Soufiani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shaghayegh","family":"Rahimizadeh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"10894","published-online":{"date-parts":[[2020,5,9]]},"reference":[{"key":"10.25259\/SNI_104_2020\/ref-1","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1097\/00013611-200209000-00010","article-title":"Cervical kyphosis","volume":"17","author":"Ganju","year":"2002","journal-title":"Tech Orthop"},{"key":"10.25259\/SNI_104_2020\/ref-2","doi-asserted-by":"crossref","first-page":"1751","DOI":"10.1097\/BRS.0000000000000502","article-title":"Anterior cervical osteotomy for fixed cervical deformities","volume":"39","author":"Kim","year":"2014","journal-title":"Spine (Phila Pa 1976)"},{"key":"10.25259\/SNI_104_2020\/ref-3","doi-asserted-by":"crossref","first-page":"771","DOI":"10.1097\/BRS.0b013e3181695082","article-title":"Surgical treatment of fixed cervical kyphosis with myelopathy","volume":"33","author":"O\u2019Shaughnessy","year":"2008","journal-title":"Spine (Phila Pa 1976)"},{"key":"10.25259\/SNI_104_2020\/ref-4","doi-asserted-by":"crossref","first-page":"125","DOI":"10.25259\/SNI-308-2019","article-title":"Unstable os odontoideum contributing to cervical myelopathy and obstructive sleep apnea","volume":"10","author":"Rahimizadeh","year":"2019","journal-title":"Surg Neurol Int"},{"key":"10.25259\/SNI_104_2020\/ref-5","first-page":"33","article-title":"Os odontoideum: A review article","volume":"1","author":"Rahimizadeh","year":"2016","journal-title":"Orthop Res Traumatol"},{"key":"10.25259\/SNI_104_2020\/ref-6","first-page":"142586","article-title":"Atlantoaxial subluxation due to an os odontoideum in an achondroplastic adult: Report of a case and review of the literature","volume":"2015","author":"Rahimizadeh","year":"2015","journal-title":"Case Rep Orthop"},{"key":"10.25259\/SNI_104_2020\/ref-7","doi-asserted-by":"crossref","first-page":"549","DOI":"10.14444\/5067","article-title":"Atlantoaxial subluxation secondary to unstable os odontoideum in a patient with arrested hydrocephalus due to congenital aqueductal stenosis: A case report","volume":"12","author":"Rahimizadeh","year":"2018","journal-title":"Int J Spine Surg"},{"key":"10.25259\/SNI_104_2020\/ref-8","first-page":"1","article-title":"Surgical management of an elderly patient with free floating os odontoideum","volume":"8","author":"Rahimizadeh","year":"2019","journal-title":"J Spine Neurosurg"},{"key":"10.25259\/SNI_104_2020\/ref-9","first-page":"102","article-title":"Os odontoideum in an elderly: Report of a case and review","volume":"2","author":"Rimizadeh","year":"2011","journal-title":"World Spinal Column J"},{"issue":"3","key":"10.25259\/SNI_104_2020\/ref-10","first-page":"S334","article-title":"Oral Presentation: Marked Cervical Kyphotic Deformity: Report of 22 Cases with Special Reference to Multilevel Cervical Posterior Osteotomy","volume":"25","author":"Rimizadeh","year":"2016","journal-title":"Eur spine J"},{"key":"10.25259\/SNI_104_2020\/ref-11","doi-asserted-by":"crossref","first-page":"515","DOI":"10.1016\/S0090-3019(03)00542-1","article-title":"Adopting 540-degree fusion to correct cervical kyphosis","volume":"61","author":"Sin","year":"2004","journal-title":"Surg Neurol"}],"container-title":["Surgical Neurology 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