| Pedicle Morphology of the Thoracic and Lumbar Spine in Scoliosis Associated with Chiari Malformation/Syringomyelia: Comparison With Adolescent Idiopathic Scoliosis. | |
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MedLine Citation:
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PMID: 21558965 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: To investigate the morphology of pedicle in thoracic and lumbar spine in scoliosis associated with Chiari malformation/Syringomyelia-comparison with adolescent idiopathic scoliosis (AIS). MATERIAL AND METHODS: Twenty-three patients of Lenke type 1 AIS and 21 patients of scoliosis associated with Chiari malformation/Syringomyelia with the similar curve type to Lenke 1 AIS underwent preoperational computed tomographic scans. Anatomic parameters were measured from T1 to L4, which included pedicle width, transverse pedicle angle, and chord length. Statistical comparison was performed within and between 2 groups. RESULT: Pedicle width of patients with scoliosis associated with Chairi malformation/Syringomyelia ranged from 3 to 10.9 mm; pedicle width of convex side was wider than concave side in apex region and upper end vertebrae region (P<0.05), whereas in some thoracolumbar vertebrae(T11,L1,L3), pedicle width of concave side was wider than convex side (P<0.05). No statistical distinction was found between convex and concave side both in pedicle angle and chord length in scoliosis associated with Chiari malformation/Syringomyelia (P≥0.05), except several vertebrae. Statistic comparison between 2 groups showed no significance for the difference values of convex and concave pedicle width, transverse angle, and chord length (P≥0.05), except several vertebrae (T8, T12). Although the mean value of pedicle width of scoliosis associated with Chiari malformation/Syringomyelia was smaller than of AIS in every vertebra, statistical comparison showed no significance. CONCLUSIONS: The morphology of pedicle in scoliosis associated with Chiari Malformation/Syringomyelia was substantially different form normal, especially in apex region, where the change is similar to AIS; however, in thoracolumbar region, pedicle width of concave side was wider than convex side in several vertebrae. Alternative pattern was similar between 2 groups for both transverse pedicle angle and chord length. |
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Authors:
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Guodong Wang; Jianmin Sun; Xingang Cui; Zhensong Jiang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-7 |
Journal Detail:
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Title: Journal of spinal disorders & techniques Volume: - ISSN: 1539-2465 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101140323 Medline TA: J Spinal Disord Tech Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of spine, Provincial hospital affiliated to Shandong University, Jinan city, Shandong, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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