Case Report
Demyelinating Disease following Anti-TNFa Treatment: A Causal or Coincidental Association? Report of Four Cases and Review of the Literature
Table 1
Demographical, clinical and imaging data of the four cases.
| Cases | 1 | 2 | 3 | 4 |
| Gender | Male | Male | Female | Female | Type of rheumatic disease | PA | AS | PA | AS | Duration of anti-TNFa treatment | 8 months | 3 years | 4 years | 6 years | Family history | PA (mother), Ps (aunts) | MS (father), Ps (sister) | ā | ā | Anti-TNFa | Etanercept | Adalimumab | Etanercept | Etanercept | Age at onset of symptoms | 17 years | 30 years | 46 years | 57 years | Symptoms | Dysesthesias of left lower limb, T4 level | Right unilateral tinnitus, urinary urgency | Left parietotemporal headache, paresthesias of the left side of the face and head, urinary urgency, diminished libido | Peripheral paresis of right facial nerve, dysarthria, mild surface dysgraphia. | CNS MRI | Hyperintensities (1 Gd+ lesion at C3 level) | Hyperintensities (>5 lesions showed Gd+) | Hyperintensities (no Gd+ lesions) | Hyperintensities (1 Gd+ lesion at left parietal lobe and 1 at C4-C5 level) | OB | Yes | Yes | Yes | Yes | Evolution | MS | MS | Monophasic demyelinating event | MS |
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PA: psoriatic arthritis, AS: ankylosing spondylitis, Ps: psoriasis, anti-TNFa: tumor necrosis factor alpha antagonist, MRI: magnetic resonance imaging; OB: oligoclonal bands, MS: multiple sclerosis, and Gd+: gadolinium enhancement.
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