Document Detail


Mixing and matching causing taper wear: Corrosion associated with pseudotumour formation.
MedLine Citation:
PMID:  22323701     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We report a case of a male patient presenting with bilateral painful but apparently well-positioned and -fixed large-diameter metal-on-metal hip replacements four years post-operatively. Multiple imaging modes revealed a thick-walled, cystic expansile mass in communication with the hip joint (a pseudotumour). Implant retrieval analysis and tissue culture eliminated high bearing wear or infection as causes for the soft-tissue reaction, but noted marked corrosion of the modular neck taper adaptor and corrosion products in the tissues. Therefore, we believe corrosion products from the taper caused by mismatch of the implant components led to pseudotumour formation requiring revision.
Authors:
R Chana; C Esposito; P A Campbell; W K Walter; W L Walter
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of bone and joint surgery. British volume     Volume:  94     ISSN:  0301-620X     ISO Abbreviation:  J Bone Joint Surg Br     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-02-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375355     Medline TA:  J Bone Joint Surg Br     Country:  England    
Other Details:
Languages:  eng     Pagination:  281-6     Citation Subset:  AIM; IM    
Affiliation:
Specialist Orthopaedic Group, Mater Clinic, Suite 1.08, 3-9 Gillies Street, Wollstonecraft, New South Wales 2065, Australia.
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