J Korean Neurol Assoc.  2017 Aug;35(3):129-132. 10.17340/jkna.2017.35.3.2.

Sensory Polyneuropathy and Cobalt Intoxication after Metal-on-Metal Total Hip Arthroplasty

Affiliations
  • 1Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea. kkkim@amc.seoul.kr

Abstract

We describe a patient with sensory polyneuropathy and cobalt intoxication. The cause of cobalt intoxication was metallosis of a metal-on-metal hip joint composed of cobalt-chrome alloy. A nerve conduction study revealed axonal sensory polyneuropathy, which improved slightly after chelation therapy and revision surgery. This case implies that a history of arthroplasty should not be neglected in the context of sensory polyneuropathy.

Keyword

Polyneuropathies; Cobalt; Arthroplasty

MeSH Terms

Alloys
Arthroplasty
Arthroplasty, Replacement, Hip*
Axons
Chelation Therapy
Cobalt*
Hip Joint
Humans
Neural Conduction
Polyneuropathies*
Alloys
Cobalt
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