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Images in Neurology
March 2014

Relapsing-Remitting Tumefactive Demyelination

Author Affiliations
  • 1Department of Neurology, Centro Hospitalar de Entre o Douro e Vouga, Santa Maria da Feira, Portugal
  • 2Neuropathology Unit, Centro Hospitalar do Porto, Porto, Portugal
JAMA Neurol. 2014;71(3):366-367. doi:10.1001/jamaneurol.2013.5

A previously healthy 26-year-old woman was seen with a progressive left-side weakness lasting 3 days. A brain magnetic resonance imaging (MRI) scan showed a right-sided mass lesion with hyperintensity in fluid-attenuated inversion recovery and T2 sequences, hypointensity in T1, heterogeneous gadolinium enhancement, and no restriction in diffusion-weighted images (Figure 1A-C).

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