| Thoracic ligament ossification in patients with cervical ossification of the posterior longitudinal ligaments: tandem ossification in the cervical and thoracic spine. | |
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MedLine Citation:
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PMID: 18520926 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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STUDY DESIGN: A retrospective investigation of patients who underwent decompressive surgery for cervical ossification of the posterior longitudinal ligament (OPLL). OBJECTIVE: In this study, we would like to introduce a new terminology for the phenomena of coexisting paraspinal ligament ossification in 2 adjacent spinal regions as "tandem ossification." The purpose of this study is to evaluate the incidence and features of tandem ossification in patients with cervical OPLL. SUMMARY OF BACKGROUND DATA: Sometimes, OPLL and ossification of the ligamentum flavum (OLF) may coexist in the cervical and thoracic spine on the account of similar pathogenesis. However, there has been only a few previous reports concerning about the incidence of concurrent thoracic ligament ossification in the patients with cervical OPLL. METHODS: We reviewed the cervicothoracic magnetic resonance imaging (MRI) and computed tomography (CT) images of patients who underwent decompressive surgery for cervical OPLL in our institute during the last 5 years. Total 68 cases of cervical OPLL patients were included. All patients underwent surgical decompression due to cervical myelopathy or myeloradiculopathy. We focus, however, on the presence of thoracic tandem ossification found in 23 of these cases (33.8%); 21 had thoracic OLF, 5 had thoracic OPLL and 3 had both combined. RESULTS: Six of the 23 patients (26.1%) with thoracic tandem ossification had myelopathic symptoms, and required secondary thoracic surgery within 3.3 months (1-7 months) of the original cervical procedures. There were no significant differences in age, sex, cervical OPLL type, or length of cervical OPLL between the patients with and without tandem ossification. CONCLUSION: Patients having cervical surgery for OPLL should also undergo simultaneous studies of the thoracic spine looking for tandem OPLL and/or OLF. The frequency of tandem lesions in this series was 23 of 68, with 6 requiring subsequent surgery for an evolving thoracic myelopathic deficit. |
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Authors:
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Jeong Yoon Park; Dong Kyu Chin; Keun Su Kim; Yong Eun Cho |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Spine Volume: 33 ISSN: 1528-1159 ISO Abbreviation: Spine Publication Date: 2008 Jun |
Date Detail:
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Created Date: 2008-06-03 Completed Date: 2008-07-10 Revised Date: 2009-07-09 |
Medline Journal Info:
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Nlm Unique ID: 7610646 Medline TA: Spine (Phila Pa 1976) Country: United States |
Other Details:
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Languages: eng Pagination: E407-10 Citation Subset: IM |
Affiliation:
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Department of Neurosurgery, National Health Insurance Corporation Ilsan Hospital, Yonsei University College of Medicine, Gyeonggi-Do, Korea. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Cervical Vertebrae / pathology*, surgery Decompression, Surgical Female Humans Incidence Ligamentum Flavum / pathology*, surgery Magnetic Resonance Imaging Male Middle Aged Ossification of Posterior Longitudinal Ligament / complications*, pathology, surgery Ossification, Heterotopic / complications*, pathology, surgery Reoperation Retrospective Studies Spinal Cord Diseases / etiology*, pathology, surgery Spinal Diseases / complications*, pathology, surgery Terminology as Topic Thoracic Vertebrae / pathology*, surgery Tomography, X-Ray Computed |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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