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Related Experiment Videos

Reversible MRI lesions after seizures

C Aykut-Bingol1, S Tekin, D Ince

  • 1Department of Neurology, Marmara University School of Medicine, Istanbul, Turkey.

Seizure
|June 1, 1997
PubMed
Summary

Transient MRI lesions after seizures can resolve over time. Recognizing these reversible changes is crucial for accurate diagnosis and treatment of post-seizure magnetic resonance imaging abnormalities.

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Area of Science:

  • Neurology
  • Neuroradiology

Background:

  • Seizures, both generalized and partial, can be associated with transient magnetic resonance (MR) imaging abnormalities.
  • Potential mechanisms include impaired cerebral autoregulation and blood-brain barrier permeability.

Observation:

  • A patient presented with partial and secondary generalized tonic-clonic seizures.
  • Initial MR imaging revealed frontal cortical high signal intensities, with gadolinium enhancement on T1-weighted images, despite normal electroencephalograms (EEGs).

Findings:

  • The patient was treated with carbamazepine and other potential causes were excluded.
  • Follow-up MR scans after 24 months showed complete resolution of the lesions, with no recurrence of seizures or neurological deficits.

Implications:

  • This case highlights the reversibility of certain MR imaging lesions following seizures.
  • Awareness of these transient findings aids in the diagnostic and therapeutic management of patients with abnormal post-seizure MR scans.

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