Three cases of metallosis associated with spine instrumentation

Three cases of metallosis associated with spine instrumentation J Mater Sci: Mater Med (2018) 29:3 DOI 10.1007/s10856-017-6011-7 BIOMATERIALS-TISSUE INTERACTION IN HUMANS Original Research Three cases of metallosis associated with spine instrumentation 1 1 1 1 ● ● ● ● Reed Ayers Mackenzie Miller Jeffery Schowinsky Evalina Burger 1 1 Vikas Patel Christopher Kleck Received: 25 July 2017 / Accepted: 23 November 2017 © Springer Science+Business Media, LLC, part of Springer Nature 2017 Abstract The characteristic trait of metallosis is the pre- that is normally removed and discarded was collected for sence of tissue staining. Analyzing explanted revision ICP-MS/AES analysis. The presence of fretting corrosion, hardware from spine surgeries and performing ICPMS/ galling and corrosion fatigue was found on all explanted AES analysis on removed tissue samples, a clinically hardware. Cr levels are significantly higher than what was relevant definition for metallosis may be developed. previously published as normal in muscle 0.03 μg/g. One Results of the analysis identified hardware fretting wear case was a 4 order of magnitude elevation with the other 2 and corrosion, and ICP-MS/AES analysis identified ele- approximately 2 orders of magnitude increase. Titanium vated metal ion concentrations in all cases. This supports and Co concentrations are also significantly increased. the hypothesis that corrosion Journal of Materials Science: Materials in Medicine Springer Journals

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Copyright © 2017 by Springer Science+Business Media, LLC, part of Springer Nature
Materials Science; Biomaterials; Biomedical Engineering; Regenerative Medicine/Tissue Engineering; Polymer Sciences; Ceramics, Glass, Composites, Natural Materials; Surfaces and Interfaces, Thin Films
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