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Rare Systemic Response to Titanium Spinal Fusion Implant: Case Report
Wendy S Towers1, Khalid Kurtom2
1Neurosurgery, University of Maryland Shore Regional Health, Easton, USA.
Cureus
|April 8, 2020
Summary
Systemic titanium hypersensitivity is a rare complication of spinal implants. Removing the hardware can rapidly improve patient well-being and resolve symptoms like fatigue and anorexia.
Area of Science:
- Neurosurgery
- Allergy and Immunology
- Orthopedic Surgery
Background:
- Titanium spinal implants are common in neurosurgery.
- Hypersensitivity reactions to titanium implants are rare and difficult to diagnose.
- Symptoms can be mistaken for infection or depression.
Observation:
- A 67-year-old female with a history of nickel allergy developed anorexia and fatigue post-thoracic spinal fixation.
- Symptoms persisted for two years, leading to significant weight loss.
- Local reactions were not the primary concern.
Findings:
- The patient experienced a systemic titanium hypersensitivity reaction.
- Removal of the titanium spinal hardware resulted in rapid weight gain and improved well-being.
- This suggests a systemic reaction rather than a localized issue.
Implications:
- Spine surgeons should consider systemic titanium hypersensitivity in patients with unexplained post-operative symptoms.
- Early identification and hardware removal may prevent long-term morbidity.
- Further research is needed to understand the mechanisms of titanium hypersensitivity.

