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Imaging in epilepsy: a paediatric perspective
1Royal Liverpool Children's NHS Trust, Alder Hey, Eaton Road, Liverpool L12 2AP, UK.
Insights
Evaluating childhood epilepsy begins with clinical assessment. Advanced imaging like MRI is crucial for structural data, while functional techniques offer supportive insights, guiding optimal diagnostic strategies for pediatric epilepsy.
Area of Science:
- Pediatric Neurology
- Neuroradiology
- Medical Imaging
Background:
- Epilepsy diagnosis in children hinges on clinical evaluation to identify seizure activity and type.
- Neuroimaging is not universally required but is essential for selected pediatric cases.
- Current imaging approaches differentiate between structural and functional studies.
Purpose of the Study:
- To review the roles of various imaging modalities in investigating childhood epilepsy.
- To discuss practical considerations for imaging children with epilepsy.
- To highlight recent advancements in pediatric epilepsy imaging techniques.
Main Methods:
- Review of current literature on neuroimaging in childhood epilepsy.
- Comparison of structural imaging techniques, primarily Magnetic Resonance Imaging (MRI).
- Evaluation of functional imaging methods, including nuclear medicine and specialized MR techniques.
Main Results:
- MRI offers superior structural imaging data for pediatric epilepsy assessment.
- Functional imaging techniques provide valuable supportive information.
- Computed Tomography (CT) plays a limited role in modern pediatric epilepsy evaluation.
- Recent advancements are improving the diagnostic capabilities of imaging.
Conclusions:
- Informed decisions regarding the best imaging approach for children with epilepsy are critical.
- A combination of clinical assessment and appropriate imaging modalities optimizes diagnosis.
- Specialists and general radiologists can benefit from updated information on imaging practices for pediatric epilepsy.
Abstract:
Assessment of a child with epilepsy involves a number of key stages, the most crucial being clinical evaluation where the presence of seizure activity and seizure type is identified. Subsequent imaging is not required in all children. In those selected for further investigation, imaging techniques are broadly divided into structural and functional studies. MRI currently provides the best structural data, with nuclear medicine and specialized MR techniques giving supportive functional information. CT now has a much diminished role. This review highlights the role of different imaging modalities in the investigation of childhood epilepsy, as well as some of the practicalities of imaging children, and areas where recent advances have been made. It is hoped that the overview and information provided will help both the specialist and the general radiologist make informed decisions regarding how to best image a child with epilepsy.