In this issue of Archives, Reed et al1 report a retrospective evaluation of patch testing before or after metal device implantation with either orthopedic prostheses or pacemakers. They conclude that patch testing before implantation helped guide the choice of device to be implanted, whereas the value of patch testing after device implantation was less clear. Consequently, they suggest further studies to address the many unanswered questions raised in the article about contact allergy and possible clinical manifestations of implant allergy.
Bruze M. Thoughts on Implants and Contact Allergy. Arch Dermatol. 2008;144(8):1042–1044. doi:10.1001/archderm.144.8.1042
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