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By Debra Sherman
Sep 14, 2012
(Reuters) – All-metal hip implants, which have been shown to have high failure rates and cause a host of other health problems, were not linked to cancer seven years after implantation, new data show.
Concerns have grown in the medical community that the so-called metal-on-metal hip implants shed metal particles through wear on their ball-and-socket structure. Many patients who have received the devices have had elevated levels of cobalt and chromium particles detected in the bloodstream, leading some doctors to worry about their risk of developing cancer…
…The NJR said it found no association seven years after implantation but that the devices should continue to be tracked as many cancers can take longer to manifest themselves.
…"We must, however, point out that many cancers have prolonged latency after initial exposure to carcinogens and thus long-term follow up is needed to provide a definitive answer," it added…