Radiology

MEG Case Report

 

A typical case is that of a 9 year old with medically refractory epilepsy for two years. His brain MRI was essentially normal and his doctors favored an anterior right temporal or frontal seizure onset, based on his seizure pattern and EEG findings.
 
MEG identified two independent areas from where seizures appeared to be arising, in the anterior and posterior aspects of the right temporal lobe.
 
Because of the MEG findings, the plan for the placement of subdural electrodes was significantly altered, as coverage was extended more posteriorly. Intracranial EEG confirmed the MEG findings and both regions were resected. The patient is now seizure free.

 

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