Non-lesional eating epilepsy with temporo-insular onset: A stereo-EEG study

Aldosari, Mubarak; Joswig, Holger; Martí, Ana Suller; Parrent, Andrew G.; Mirsattari, Seyed M.

doi:10.1016/j.ebr.2020.100368

Cited by 4 publications

(4 citation statements)

References 16 publications

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“…It could also be hypothesized that some of these patients showing normal EEG and paroxysmal motor activity induced by eating might have been suffering from another condition that could mimic eating epilepsy, such as eating specific oromandibular dystonia [69] or paroxysmal kinesigenic dyskinesia [70]. Stereo-EEG may be helpful in determining the seizure onset zone in such cases, particularly those with drug-resistant eating epilepsy who later undergo surgical resections [71].…”

Section: Semiology and Eeg Correlatesmentioning

confidence: 99%

Seizures triggered by eating - A rare form of reflex epilepsy: A systematic review

Girges

Vijiaratnam

Wirth

et al. 2020

Seizure

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Section: Semiology and Eeg Correlatesmentioning

confidence: 99%

Seizures triggered by eating - A rare form of reflex epilepsy: A systematic review

Girges

Vijiaratnam

Wirth

et al. 2020

Seizure

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“…In both the case series and the case reports, the most common and constant trigger was by definition the act of eating itself 2,4,11,[13][14][15][16][17][18][19][21][22][23][24][26][27][28][29][30][31][33][34][35][36][37][38][42][43][44][45][46] but in some cases other stimuli were detailed such as chewing 2,7,14,18,24,25,27,34,36 , swallowing 7,25,27,36 , drinking 7,24 , seeing 18,37,39,45 , smelling 11,37,39 , and even thinking 31,37 or talking 37 about food. Orofacial stimuli 2 , taking food to the mouth 7 , hunger alone 37 , eating snacks…”

Section: Discussionmentioning

confidence: 99%

“…Some abnormalities were encephalomalacia, sclerosis, pachygyria, polymicrogyria, dysplasia, glioma, ventriculomegaly, meningioma, cavernoma, astrocytoma, and other lesions 2,4,7,[14][15][16]21,22,26,29,31,32,34,36,37,43 . Four authors reported positron emission tomography; three presented hypometabolism 7,33,44 , and one was normal 46 . Five authors reported single-photon emission computed tomography that showed perfusion changes 26,27,31,33,39 .…”

Section: Discussionmentioning

confidence: 99%

“…One patient underwent electrocorticography with operculum activity 37 . Surgery was performed on 10 patients, consisting of left-temporal lobectomy and amygdalohippocampectomy 21 , right-temporo-occipital resection, left-frontal resection 22 , lesionectomy 31 , subtotal resection of low grade astrocytoma 34 , subtotal resection of left-frontal operculum (grade IV glioblastoma) 37 , anterior insula resection 42 , right-anterior-temporal lobectomy including mesial structures and partial inferior insulectomy 46 , and non-specified in two patients. Only three patients underwent vagus nerve stimulation 22 .…”

Section: Discussionmentioning

confidence: 99%

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Eating epilepsy. A narrative review

Ruiz-León¹,

Sánchez-Torres²,

Anda³

et al. 2021

RMN

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Eating epilepsy (EE) is rare reflex epilepsy in which seizures are triggered by mechanisms related to the eating process. In this narrative review, we analyzed case series and case reports found in the literature and describe sociodemographic, semiological, and radiological characteristics of patients with EE in the general population. Our analysis revealed that this epilepsy is more common in male patients and usually presents with focal onset seizures. There is wide variability in clinical presentation and there is not enough evidence to affirm that there is a specific food or diet that triggers the seizures. Temporolimbic and suprasylvian areas of the frontal and temporal lobes, particularly the insular and opercular cortex, play an important role in the pathophysiology of EE as found in neuroradiological and neurosurgical studies. As for the treatment, there is a high prevalence of pharmacoresistance and clobazam was the most used antiepileptic drug, usually as an add-on therapy.

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Insular seizures and epilepsies: Ictal semiology and minimal invasive surgery

Ryvlin

Nguyen

2021

Current Opinion in Neurology

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Purpose of review The increased identification of seizures with insular ictal onset, promoted by the international development of stereo-electroencephalography (SEEG), has led to the recent description of larger cohorts of patients with insular or insulo-opercular epilepsies than those previously available. These new series have consolidated and extended our knowledge of the rich ictal semiology and diverse anatomo-clinical correlations that characterized insular seizures. In parallel, some experiences have been gained in the surgical treatment of insular epilepsies using minimal invasive procedures. Recent findings The large majority of patients present with auras (mostly somatosensory and laryngeal) and motor signs (predominantly elementary and orofacial), an underlying focal cortical dysplasia, and an excellent postoperative seizure outcome. Many other subjective and objective ictal signs, known to occur in other forms of epilepsies, are also observed and clustered in five patterns, reflecting the functional anatomy of the insula and its overlying opercula, as well as preferential propagation pathways to frontal or temporal brain regions. A nocturnal predominance of seizure is frequently reported, whereas secondary generalization is infrequent. Some rare ictal signs are highly suggestive of an insular origin, including somatic pain, reflex seizures, choking spells, and vomiting. Minimal invasive surgical techniques have been applied to the treatment of insular epilepsies, including Magnetic Resonance Imaging-guided laser ablation (laser interstitial thermal therapy (LITT)), radiofrequency thermocoagulation (RFTC), gamma knife radiosurgery, and responsive neurostimulation. Rates of seizure freedom (about 50%) appear lower than that reported with open-surgery (about 80%) with yet a significant proportion of transient neurological deficit for LITT and RFTC. Summary Significant progress has been made in the identification and surgical treatment of insular and insulo-opercular epilepsies, including more precise anatomo-clinical correlations to optimally plan SEEG investigations, and experience in using minimal invasive surgery to reduce peri-operative morbidity.

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Non-lesional eating epilepsy with temporo-insular onset: A stereo-EEG study

Cited by 4 publications

References 16 publications

Seizures triggered by eating - A rare form of reflex epilepsy: A systematic review

Seizures triggered by eating - A rare form of reflex epilepsy: A systematic review

Eating epilepsy. A narrative review

Insular seizures and epilepsies: Ictal semiology and minimal invasive surgery

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