Document Detail

Is ossification of posterior longitudinal ligament an enthesopathy?
MedLine Citation:
PMID:  21104248     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to investigate the relationship of ossification of posterior longitudinal ligament (OPLL) with enthesis, the site where the posterior longitudinal ligament (PLL) attaches to the vertebral body, by multi-detector CT reconstruction images. Twenty-nine patients with OPLL were studied. According to the plaques' continuity to the vertebral body, OPLL plaques were classified into two categories: "free" and "contiguous". A "broken sign" was defined as a crack between two plaques. The sites where each "contiguous" plaque attached to the vertebral body were then analysed. There were 78 ossified plaques in total, and six were "free". There were eight cases with a "broken sign", including six "free" ones. The site where all 72 "contiguous" plaques attached to the vertebral body included the zone where the PLL enthesis was situated, while other zones were included in only part of the plaques. Our conclusion was that there might be no real "free type" ossified plaques, and OPLL could start from enthesis, which indicated OPLL could be a kind of enthesopathy.
Jian Chen; Dianwen Song; Xinwei Wang; Xiaolong Shen; Yang Li; Wen Yuan
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Publication Detail:
Type:  Journal Article     Date:  2010-11-23
Journal Detail:
Title:  International orthopaedics     Volume:  35     ISSN:  1432-5195     ISO Abbreviation:  Int Orthop     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-09-16     Completed Date:  2012-01-19     Revised Date:  2013-07-03    
Medline Journal Info:
Nlm Unique ID:  7705431     Medline TA:  Int Orthop     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1511-6     Citation Subset:  IM    
Department of Orthopaedics, Changzheng Hospital, Second Military Medical University, 415# Fengyang Road, Shanghai, Peoples Republic of China.
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MeSH Terms
Cervical Vertebrae / pathology,  radiography
Middle Aged
Observer Variation
Ossification of Posterior Longitudinal Ligament / complications*,  diagnosis,  physiopathology
Reproducibility of Results
Rheumatic Diseases / complications*,  diagnosis,  physiopathology
Tomography, X-Ray Computed

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