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Unilateral abdominal clonic jerking as an epileptic phenomenon
Adam Patterson1, Stephanie Woodroffe1, R Mark Sadler1
1Division of Neurology, Department of Medicine, Dalhousie University, 1796 Summer Street, Halifax, Nova Scotia B3H 3A, Canada.
Epilepsy & Behavior Reports
|October 14, 2021
Summary
Unilateral abdominal wall clonic seizures are rare epilepsy symptoms. Intracranial EEG is crucial for diagnosing these focal aware seizures when standard EEG is inconclusive.
Area of Science:
- Neurology
- Epileptology
- Clinical Neurophysiology
Background:
- Unilateral abdominal wall clonic seizures represent a rare epilepsy manifestation.
- Diagnosis can be challenging due to often unrevealing standard electroencephalography (EEG).
Observation:
- This study reports three cases of focal aware seizures presenting as unilateral abdominal clonic motor movements.
- It highlights the first documented use of intracranial EEG in diagnosing this specific seizure semiology.
Findings:
- Standard EEG may fail to capture ictal activity in patients with focal motor abdominal seizures.
- Intracranial EEG provided diagnostic confirmation in a challenging case.
Implications:
- Intracranial EEG can be a valuable tool for diagnosing rare seizure types.
- Clinical neurophysiologists and neurologists should consider this modality when standard evaluations are non-diagnostic.
- Differentiating these seizures from other abdominal complaints requires careful clinical history and electrophysiological correlation.
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