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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_2 | Pages 24 - 24
1 Feb 2015
Pagonis T Sharp D
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Purpose

To study the relationship between Zygoapophysial Joint Tropism and pathologic fractures affecting lumbar and thoracic vertebrae in elderly patients.

Methods

The sagittal plane orientation of the Zygoapophysial joints (facets or ZAJ) of 324 vertebrae of 63 patients were measured on MRI scans, stratified into lumbar and thoracic, fractured and non-fractured, and then classified according to the presence of tropism. The correlation between tropism and fractures, demographics pertaining to age, spinal level, and morbidity were studied.