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Case #40

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Demographics: 3 years old, Female
Indication: Developmental delay

Case #40

Findings

  • T2/FLAIR hyperintense lesion in the juxtacortical white matter of the inferior right frontal lobe with likely adjacent cortical involvement
  • The lesion has a somewhat multinodular appearance
  • No corresponding enhancement, restricted diffusion, susceptibility artifact, or mass effect

Annotated Images & Illustrations

Nonexpansile T2/FLAIR hyperintense lesion involving the juxtacortical white matter and cortex of the inferior right frontal lobe with a projection of signal hyperintensity extending into the deep white matter (red arrows).

Nonexpansile T2/FLAIR hyperintense lesion involving the juxtacortical white matter and cortex of the inferior right frontal lobe with a projection of signal hyperintensity extending into the deep white matter (red arrows).

Diagnosis

Focal cortical dysplasia VS multinodular and vacuolating neuronal tumor (MVNT)

Differential Diagnosis

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Pearls

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References

  • Kabat J, Król P. Focal cortical dysplasia - review. Pol J Radiol 2012; 77(2): 35-43.
  • Nunes RH, Hsu CC, da Rocha AJ, et al. Multinodular and vacuolating neuronal tumor of the cerebrum: a new “leave me alone” lesion with a characteristic imaging pattern. AJNR Am J Neuroradiol 2017; 38 (10): 1899-1904.

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