Failure of facet replacement system with metal-on-metal bearing surface and subsequent discovery of cobalt allergy: Report of 2 cases

Keyphrases

• Adverse Outcomes 12%
• Allergy Diagnosis 37%
• Bearing Surface 100%
• Cobalt 25%
• Cobalt Allergy 100%
• Debris 12%
• Delayed Hypersensitivity 12%
• Facet Replacement 100%
• Free Interval 12%
• Hip Arthroplasty 12%
• Implant Longevity 12%
• Interbody Fusion 12%
• Local Tissue Reaction 25%
• Low-grade Spondylolisthesis 12%
• Metal-on-metal 100%
• Metallosis 12%
• Mobile Spine 25%
• Motion Preserving 25%
• Moving Forward 12%
• Neurological Symptoms 12%
• Orthopedics 12%
• Posterior Spinal Fusion 12%
• Pseudotumor 12%
• Replacement Surgery 12%
• Replacement System 100%
• Revision Surgery 12%
• Rutile 12%
• Spinal Stenosis 12%
• Tissue Reaction 12%

Medicine and Dentistry

• Adverse Outcome 33%
• Allergy Test 100%
• Delayed Hypersensitivity 33%
• Hip Arthroplasty 33%
• Implant 33%
• Neurologic Disease 33%
• Orthopedics 33%
• Pseudotumor 33%
• Spinal Fusion 33%
• Spinal Stenosis 33%
• Spondylolisthesis 33%
• Tissue Reaction 100%