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Stereo-Electro-Encephalo-Graphy (SEEG) With Robotic Assistance in the Presurgical Evaluation of Medical Refractory Epilepsy: A Technical Note
Published on: June 13, 2016
Epilepsy surgery for tuberous sclerosis
Pantaleo Romanelli1, Magda Verdecchia, Raul Rodas
1Department of Neurosurgery, Stanford University, Palo Alto, California, USA.
Insights
Tuberous sclerosis complex (TSC) patients with difficult epilepsy can benefit from surgery. Advances in neuroimaging and mapping now allow more TSC patients to be considered for resective surgery.
Area of Science:
- Neurology
- Neurosurgery
- Epileptology
Background:
- Tuberous sclerosis complex (TSC) frequently causes medically refractory epilepsy due to cortical tubers.
- Early and severe epilepsy in TSC is linked to developmental delays and intellectual disability.
- Effective seizure control is crucial for mitigating adverse developmental outcomes in TSC.
Purpose of the Study:
- To evaluate the potential of epilepsy surgery in Tuberous Sclerosis Complex patients.
- To address concerns regarding multifocal lesions and independent epileptogenic zones in TSC epilepsy surgery.
- To highlight advancements enabling increased surgical candidacy for TSC patients.
Main Methods:
- Review of previous studies on epilepsy in TSC.
- Discussion of advancements in electroencephalography (EEG).
- Exploration of functional neuroimaging and invasive cortical mapping techniques.
- Consideration of emerging neurosurgical techniques.
Main Results:
- Epilepsy surgery can significantly reduce or eliminate seizures in medically intractable epilepsy.
- Historically, epilepsy surgery in TSC has been limited due to concerns about lesion multiplicity.
- Recent technological and methodological advances are expanding surgical options for TSC patients.
- New neurosurgical approaches offer additional treatment possibilities.
Conclusions:
- Epilepsy surgery is a viable and increasingly accessible option for Tuberous Sclerosis Complex patients with refractory epilepsy.
- Technological advancements are overcoming previous limitations in evaluating TSC patients for resective surgery.
- Early and effective seizure management, including surgical intervention, is vital for improving developmental outcomes in TSC.
Abstract:
Tuberous sclerosis complex is often associated with medically refractory epilepsy secondary to cortical tubers. Previous studies have identified an association between early seizure onset, greater seizure burden, and mental retardation in childhood. Early effective seizure control could therefore significantly reduce the adverse developmental effects of chronic epilepsy in tuberous sclerosis complex. In medically intractable epileptic patients, surgical treatment has been demonstrated to reduce or abolish seizures and the associated burden for the child and its environment. Epilepsy surgery has not been widely used in patients with tuberous sclerosis complex thus far, mostly because of the concern that the multifocal nature of the cortical lesions could be associated with the development of independent epileptogenic zones. Advances in electroencephalographic techniques, functional neuroimaging, and invasive cortical mapping are changing this view and allowing an increased number of tuberous sclerosis complex patients to be evaluated for resective surgery. Additional techniques emerging in the neurosurgical field may add further treatment options to the current state of the art.
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