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Images in Neurology • Arq. Neuro-Psiquiatr. 78 (3) • Mar 2020 • https://doi.org/10.1590/0004-282X20190175 linkcopy

Open-access Reverse crossed cerebellar diaschisis in status epilepticus: case report

Diásquise cerebelar cruzada relacionada a um estado de mal focal: relato de caso

AuthorshipSCIMAGO INSTITUTIONS RANKINGS

    A 53-year-old female with history of ischemic stroke eleven years before was admitted to the emergency room with recurrent few seconds duration head turning seizures in the past two weeks. Electroencephalogram confirmed focal status epilepticus and Brain MRI disclosed restricted diffusion over left hemisphere regions, together with signs of reverse crossed cerebellar diaschisis (Figure 1).

    Figure 1.
    Axial postcontrast T1-weighted image (A) shows two chronic infarcts (arrows); axial DWI (B and C) demonstrate restricted diffusion in the cerebral cortex in the vicinity of the infarction in the territory of the left middle cerebral artery, due to status epilepticus. The involvement of left thalamic pulvinar (arrow in B) and right cerebellar hemisphere (C), reverse crossed cerebellar diaschisis) can also be noticed. ADC map (D) discloses true cortical restricted diffusion (arrow).

    Diaschisis is a transient neuronal shock modality attributable to depression of distant parts of the brain, connected to an injured area1. In focal status epilepticus, cerebellar injury is hypothesized to be due to an excessive excitatory neuronal transmission in the cortico-pontine-cerebellar tract2.

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    Publication Dates

    • Publication in this collection
      30 Mar 2020
    • Date of issue
      Mar 2020

    History

    • Received
      28 Aug 2019
    • Accepted
      16 Oct 2019
    Creative Common - by 4.0
    This is an open-access article distributed under the terms of the Creative Commons Attribution License
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