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Related Experiment Videos

Circling seizures

E Saka1, S Saygi, A Ciğer

  • 1Department of Neurology, Hacettepe University Hospital, Ankara, Turkey.

Seizure
|December 1, 1996
PubMed
Summary
This summary is machine-generated.

Circling seizures can manifest across various epilepsy types, including symptomatic partial epilepsy. Lesions in symptomatic cases are often in the frontal lobes, but can also occur in the parietooccipital regions.

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Area of Science:

  • Neurology
  • Epileptology

Background:

  • Circling seizures are a rare but distinct ictal semiology.
  • Understanding the underlying epileptic syndromes and potential lesion locations is crucial for diagnosis and management.

Purpose of the Study:

  • To investigate the clinical, electroencephalographic, and radiological findings in patients experiencing circling seizures.
  • To determine the association between circling seizures and different epilepsy syndromes, particularly symptomatic partial epilepsy.

Main Methods:

  • Retrospective case series analysis.
  • Review of clinical data, electroencephalography (EEG) findings, and neuroimaging results.
  • Classification of patients into symptomatic partial, cryptogenic partial, and idiopathic generalized epilepsy groups.

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Main Results:

  • Twelve cases of circling seizures were analyzed.
  • Four patients had symptomatic partial epilepsy, five had cryptogenic partial epilepsy, and three had idiopathic generalized epilepsy.
  • In symptomatic partial epilepsy, lesions were predominantly frontal (three cases) and occasionally parietooccipital (one case).
  • Turning direction during seizures did not reliably lateralize the epilepsy focus in partial epilepsy cases.

Conclusions:

  • Circling seizures can occur in diverse epileptic syndromes and epilepsies.
  • Symptomatic partial epilepsy presenting with circling seizures frequently involves frontal lobe lesions, with parietooccipital involvement also noted.
  • The direction of head turning lacks lateralizing value in partial epilepsy with circling seizures.