{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T09:30:53Z","timestamp":1769851853646,"version":"3.49.0"},"reference-count":33,"publisher":"Springer Science and Business Media LLC","issue":"7","license":[{"start":{"date-parts":[[2013,5,5]],"date-time":"2013-05-05T00:00:00Z","timestamp":1367712000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2013,5,5]],"date-time":"2013-05-05T00:00:00Z","timestamp":1367712000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Acta Neurochir"],"published-print":{"date-parts":[[2013,7]]},"DOI":"10.1007\/s00701-013-1717-x","type":"journal-article","created":{"date-parts":[[2013,5,4]],"date-time":"2013-05-04T09:48:33Z","timestamp":1367660913000},"page":"1157-1167","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Syndromic versus nonsyndromic atlantoaxial dislocation: do clinico-radiological differences have a bearing on management?"],"prefix":"10.1007","volume":"155","author":[{"given":"Jayesh","family":"Sardhara","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sanjay","family":"Behari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Awadhesh K.","family":"Jaiswal","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arun","family":"Srivastava","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rabi Narayan","family":"Sahu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anant","family":"Mehrotra","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shubha","family":"Phadke","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Uttam","family":"Singh","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2013,5,5]]},"reference":[{"key":"1717_CR1","first-page":"57","volume":"8","author":"HH Abdulameer","year":"2010","unstructured":"Abdulameer HH (2010) Morphometric analysis of odontoid process. Iraqi J Med Sci 8:57\u201365","journal-title":"Iraqi J Med Sci"},{"key":"1717_CR2","doi-asserted-by":"publisher","first-page":"1318","DOI":"10.1136\/adc.66.11.1318","volume":"66","author":"J Ashraf","year":"1991","unstructured":"Ashraf J, Crockard HA, Ransford AO, Stevens JM (1991) Transoral decompression and posterior stabilisation in Morquio\u2019s disease. Arch Dis Child 66:1318\u20131321","journal-title":"Arch Dis Child"},{"key":"1717_CR3","doi-asserted-by":"publisher","first-page":"1165","DOI":"10.1007\/s00701-002-1009-3","volume":"144","author":"S Behari","year":"2002","unstructured":"Behari S, Bhargava V, Nayak S, Kiran Kumar MV, Banerji D, Chhabra DK, Jain VK (2002) Congenital reducible atlantoaxial dislocation: classification and surgical considerations. Acta Neurochir (Wien) 144:1165\u20131177","journal-title":"Acta Neurochir (Wien)"},{"key":"1717_CR4","doi-asserted-by":"publisher","first-page":"E740","DOI":"10.1097\/BRS.0b013e3181b41181","volume":"34","author":"M Braga","year":"2009","unstructured":"Braga M, Pederzoli M, Beretta S, Ferrarini M, Canovaro P, Arpaia G, Crespi V (2009) Agenesis of the right internal carotid artery and Klippel-Feil syndrome: case report. Spine (Phila Pa 1976) 34:E740\u2013E742","journal-title":"Spine (Phila Pa 1976)"},{"key":"1717_CR5","first-page":"20","volume":"21","author":"LA Camacho Franco","year":"2007","unstructured":"Camacho Franco LA, Haces Garc\u00eda F, Galv\u00e1n Liz\u00e1rraga R, Verdugo Hern\u00e1ndez A (2007) Larsen syndrome: clinical course and treatment of 22 cases. Acta Ortop Mex 21:20\u201323","journal-title":"Acta Ortop Mex"},{"key":"1717_CR6","doi-asserted-by":"crossref","first-page":"857","DOI":"10.1542\/peds.81.6.857","volume":"81","author":"RG Davidson","year":"1988","unstructured":"Davidson RG (1988) Atlantoaxial instability in individuals with Down syndrome: a fresh look at the evidence. Pediatrics 81:857\u2013865","journal-title":"Pediatrics"},{"key":"1717_CR7","doi-asserted-by":"crossref","first-page":"1571","DOI":"10.1302\/0301-620X.93B11.26892","volume":"93","author":"T Dokai","year":"2011","unstructured":"Dokai T, Nagashima H, Nanjo Y, Tanida A, Teshima R (2011) Posterior occipitocervical fixation under skull-femoral traction for the treatment of basilar impression in a child with Klippel-Feil syndrome. J Bone Joint Surg Br 93:1571\u20131574","journal-title":"J Bone Joint Surg Br"},{"key":"1717_CR8","doi-asserted-by":"crossref","first-page":"460","DOI":"10.2106\/00004623-199072030-00025","volume":"72","author":"JE Hall","year":"1990","unstructured":"Hall JE, Simmons ED, Danylchuk K, Barnes PD (1990) Instability of the cervical spine and neurological involvement in Klippel-Feil syndrome. A case report. J Bone Joint Surg Am 72:460\u2013462","journal-title":"J Bone Joint Surg Am"},{"key":"1717_CR9","doi-asserted-by":"crossref","first-page":"1246","DOI":"10.2106\/00004623-197456060-00018","volume":"56","author":"RN Hensinger","year":"1974","unstructured":"Hensinger RN, Lang JE, MacEwen GD (1974) Klippel-Feil syndrome: a constellation of associated anomalies. J Bone Joint Surg Am 56:1246\u20131253","journal-title":"J Bone Joint Surg Am"},{"issue":"230\u20136","key":"1717_CR10","first-page":"E1702","volume":"8","author":"JT Hong","year":"2008","unstructured":"Hong JT, Lee SW, Son BC, Sung JH, Yang SH, Kim IS, Park CK (2008) Analysis of anatomical variations of bone and vascular structures around the posterior atlantal arch using three-dimensional computed tomography angiography. J Neurosurg Spine 8(230\u20136):E1702\u2013E1708","journal-title":"J Neurosurg Spine"},{"key":"1717_CR11","doi-asserted-by":"publisher","first-page":"381","DOI":"10.1007\/s002340050429","volume":"39","author":"DG Hughes","year":"1997","unstructured":"Hughes DG, Chadderton RD, Cowie RA, Wraith JE, Jenkins JP (1997) MRI of the brain and craniocervical junction in Morquio\u2019s disease. Neuroradiology 39:381\u2013385","journal-title":"Neuroradiology"},{"key":"1717_CR12","first-page":"386","volume":"50","author":"VK Jain","year":"2002","unstructured":"Jain VK, Behari S (2002) Management of congenital atlanto-axial dislocation: some lessons learnt. Neurol India 50:386\u2013397","journal-title":"Neurol India"},{"key":"1717_CR13","first-page":"188","volume":"47","author":"VK Jain","year":"1999","unstructured":"Jain VK, Behari S, Banerji D, Bhargava V, Chhabra DK (1999) Transoral decompression for craniovertebral osseous anomalies: perioperative management dilemmas. Neurol India 47:188\u2013195","journal-title":"Neurol India"},{"key":"1717_CR14","doi-asserted-by":"publisher","first-page":"78","DOI":"10.1159\/000028838","volume":"31","author":"GL Keiper Jr","year":"1999","unstructured":"Keiper GL Jr, Koch B, Crone KR (1999) Achondroplasia and cervicomedullary compression: prospective evaluation and surgical treatment. Pediatr Neurosurg 31:78\u201383","journal-title":"Pediatr Neurosurg"},{"key":"1717_CR15","doi-asserted-by":"publisher","first-page":"399","DOI":"10.1016\/j.compmedimag.2009.03.006","volume":"33","author":"D Kiresi","year":"2009","unstructured":"Kiresi D, Gumus S, Cengiz SL, Cicekcibasi A (2009) The morphometric analysis of the V2 and V3 segments of the vertebral artery: normal values on MDCT. Comput Med Imaging Graph 33:399\u2013407","journal-title":"Comput Med Imaging Graph"},{"key":"1717_CR16","doi-asserted-by":"publisher","first-page":"A2","DOI":"10.1227\/01.NEU.0000365830.10052.87","volume":"66","author":"MD Martin","year":"2010","unstructured":"Martin MD, Bruner HJ, Maiman DJ (2010) Anatomic and biomechanical considerations of the craniovertebral junction. Neurosurgery 66:A2\u2013A6","journal-title":"Neurosurgery"},{"key":"1717_CR17","doi-asserted-by":"publisher","first-page":"E269","DOI":"10.1097\/BRS.0b013e31823b3ded","volume":"37","author":"SD McKay","year":"2012","unstructured":"McKay SD, Al-Omari A, Tomlinson LA, Dormans JP (2012) Review of cervical spine anomalies in genetic syndromes. Spine (Phila Pa 1976) 37:E269\u2013E277","journal-title":"Spine (Phila Pa 1976)"},{"key":"1717_CR18","doi-asserted-by":"crossref","unstructured":"Ogihara N, Takahashi J, Hirabayashi H, Mukaiyama K, Kato H (2012) Surgical treatment of Klippel-Feil syndrome with basilar invagination. Eur Spine J. PMID: 22926486","DOI":"10.1007\/s00586-012-2489-3"},{"key":"1717_CR19","doi-asserted-by":"publisher","first-page":"157","DOI":"10.1097\/00002517-199106000-00005","volume":"4","author":"M Panjabi","year":"1991","unstructured":"Panjabi M, Dvorak J, Crisco J 3rd, Oda T, Hilibrand A, Grob D (1991) Flexion, extension, and lateral bending of the upper cervical spine in response to alar ligament transections. J Spinal Disord 4:157\u2013167","journal-title":"J Spinal Disord"},{"key":"1717_CR20","doi-asserted-by":"publisher","first-page":"2110","DOI":"10.1097\/00007632-199409150-00020","volume":"19","author":"PD Pizzutillo","year":"1994","unstructured":"Pizzutillo PD, Woods M, Nicholson L, MacEwen GD (1994) Risk factors in Klippel-Feil syndrome. Spine (Phila Pa 1976) 19:2110\u20132116","journal-title":"Spine (Phila Pa 1976)"},{"key":"1717_CR21","first-page":"177","volume":"42","author":"J Priya","year":"2005","unstructured":"Priya J, Joshi S (2005) Marshall syndrome. Indian Pediatr 42:177\u2013178","journal-title":"Indian Pediatr"},{"key":"1717_CR22","first-page":"259","volume":"60","author":"A Rodr\u00edguez","year":"1994","unstructured":"Rodr\u00edguez A, Asenjo B, Dominguez R, Lemaire R (1994) Larsen syndrome: multicenter study of 12 new cases diagnosis, planning and results of treatment. Acta Orthop Belg 60:259\u2013273","journal-title":"Acta Orthop Belg"},{"key":"1717_CR23","doi-asserted-by":"publisher","first-page":"1269","DOI":"10.2214\/ajr.146.6.1269","volume":"146","author":"DM Rosenbaum","year":"1986","unstructured":"Rosenbaum DM, Blumhagen JD, King HA (1986) Atlantooccipital instability in down syndrome. AJR Am J Roentgenol 146:1269\u20131272","journal-title":"AJR Am J Roentgenol"},{"key":"1717_CR24","doi-asserted-by":"publisher","first-page":"43","DOI":"10.3171\/jns.1994.81.1.0043","volume":"81","author":"TC Ryken","year":"1994","unstructured":"Ryken TC, Menezes AH (1994) Cervicomedullary compression in achondroplasia. J Neurosurg 81:43\u201348","journal-title":"J Neurosurg"},{"issue":"2 Suppl","key":"1717_CR25","first-page":"115","volume":"104","author":"P Salunke","year":"2006","unstructured":"Salunke P, Behari S, Kirankumar MV, Sharma MS, Jaiswal AK, Jain VK (2006) Pediatric congenital atlantoaxial dislocation: differences between the irreducible and reducible varieties. J Neurosurg 104(2 Suppl):115\u2013122","journal-title":"J Neurosurg"},{"key":"1717_CR26","doi-asserted-by":"publisher","first-page":"1637","DOI":"10.1097\/BRS.0b013e31817c0bc2","volume":"33","author":"D Samartzis","year":"2008","unstructured":"Samartzis D, Kalluri P, Herman J, Lubicky JP, Shen FH (2008) The extent of fusion within the congenital Klippel-Feil segment. Spine (Phila Pa 1976) 33:1637\u20131642","journal-title":"Spine (Phila Pa 1976)"},{"key":"1717_CR27","doi-asserted-by":"publisher","first-page":"E335","DOI":"10.1097\/01.brs.0000217628.32344.73","volume":"31","author":"D Samartzis","year":"2006","unstructured":"Samartzis D, Lubicky JP, Herman J, Kalluri P, Shen FH (2006) Symptomatic cervical disc herniation in pediatric Klippel Feil patient: the risk of neural injury associated with extensive congenitally fused vertebrae and a hypermobile segment. Spine 31:E335\u2013E338","journal-title":"Spine"},{"key":"1717_CR28","doi-asserted-by":"publisher","first-page":"298","DOI":"10.1016\/j.surneu.2006.02.032","volume":"66","author":"V Sawlani","year":"2006","unstructured":"Sawlani V, Behari S, Salunke P, Jain VK, Phadke RV (2006) \u201cStretched loop sign\u201d of the vertebral artery: a predictor of vertebrobasilar insufficiency in atlantoaxial dislocation. Surg Neurol 66:298\u2013304","journal-title":"Surg Neurol"},{"key":"1717_CR29","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1148\/radiographics.14.2.8190952","volume":"14","author":"WR Smoker","year":"1994","unstructured":"Smoker WR (1994) Craniovertebral junction: normal anatomy, craniometry, and congenital anomalies. Radiographics 14:255\u2013277","journal-title":"Radiographics"},{"issue":"3","key":"1717_CR30","doi-asserted-by":"publisher","first-page":"223","DOI":"10.1007\/s007760100038","volume":"6","author":"K Takeshita","year":"2001","unstructured":"Takeshita K, Murakami M, Kobayashi A, Nakamura C (2001) Relationship between cervical curvature index (Ishihara) and cervical spine angle (C2\u20137). J Orthop Sci 6(3):223\u2013226","journal-title":"J Orthop Sci"},{"key":"1717_CR31","doi-asserted-by":"publisher","first-page":"2565","DOI":"10.1097\/00007632-199411001-00012","volume":"19","author":"Y Toyama","year":"1994","unstructured":"Toyama Y, Matsumoto M, Chiba K, Asazuma T, Suzuki N, Fujimura Y, Hirabayashi K (1994) Realignment of postoperative cervical kyphosis in children by vertebral remodeling. Spine (Phila Pa 1976) 19:2565\u20132570","journal-title":"Spine (Phila Pa 1976)"},{"key":"1717_CR32","doi-asserted-by":"publisher","first-page":"1265","DOI":"10.1007\/s00701-009-0277-6","volume":"151","author":"M Visocchi","year":"2009","unstructured":"Visocchi M, Fernandez E, Ciampini A, Di Rocco C (2009) Reducible and irreducible os odontoideum in childhood treated with posterior wiring, instrumentation and fusion Past or present? Acta Neurochir (Wien) 151:1265\u20131274","journal-title":"Acta Neurochir (Wien)"},{"key":"1717_CR33","doi-asserted-by":"publisher","first-page":"167","DOI":"10.3171\/SPI\/2008\/9\/8\/167","volume":"9","author":"S Yamaguchi","year":"2008","unstructured":"Yamaguchi S, Eguchi K, Kiura Y, Takeda M, Kurisu K (2008) Posterolateral protrusion of the vertebral artery over the posterior arch of the atlas: quantitative anatomical study using three-dimensional computed tomography angiography. J Neurosurg Spine 9:167\u2013174","journal-title":"J Neurosurg Spine"}],"container-title":["Acta Neurochirurgica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00701-013-1717-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00701-013-1717-x\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s00701-013-1717-x","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00701-013-1717-x.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,9]],"date-time":"2025-04-09T02:02:43Z","timestamp":1744164163000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00701-013-1717-x"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,5,5]]},"references-count":33,"journal-issue":{"issue":"7","published-print":{"date-parts":[[2013,7]]}},"alternative-id":["1717"],"URL":"https:\/\/doi.org\/10.1007\/s00701-013-1717-x","relation":{},"ISSN":["0001-6268","0942-0940"],"issn-type":[{"value":"0001-6268","type":"print"},{"value":"0942-0940","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,5,5]]},"assertion":[{"value":"5 December 2012","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"4 April 2013","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 May 2013","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}}]}}