MRI‐guided thermal ablation is a relatively new technique utilising heat to ablate both tumours and epileptogenic lesions. Its use against epilepsy offers some patients a new and relatively safe way of reducing or aborting seizures. Most cases of MRI‐guided thermal ablation have been performed in patients with isolated lesions. Placement of depth electrodes prior to laser ablation has been rarely performed. We present a case with bilateral independent lesions traversing eloquent cortex, which, after sampling for seizures and successful ablation, retained normal function. The patient is, to date, seizure‐free.
Hypertrophy of the optic nerves and optic chiasm is described in a 5-month-old boy with infantile Krabbe disease. Optic nerve and optic chiasm hypertrophy is a rarely described feature of Krabbe disease. The areas of the prechiasmatic optic nerves and optic chiasm were measured and compared with those of 26 age-matched controls. The areas of the prechiasmatic optic nerves and optic chiasm were 132% and 53% greater than normal, respectively.
in others studies in MCP cases related to ZIKV. Furthermore, our results might be compared with CT brain scan images from MCPs related to other infectious diseases (STORCH positive) that can also lead to central nervous system alterations. It will certainly help differentiating the etiology of MCPs.Disclosures. All authors: No reported disclosures.
Intractable epilepsy may have a more severe effect on children in comparison to adults because the motor, sensorial, and cognitive functions of children are still undergoing development. For this same reason, however, children maintain a greater potential for recovery from intractable epilepsy because of the remaining cerebral plasticity. Thus, after 2 unsuccessful antiepileptic medications, surgical intervention is recommended. Pre-surgical localization of the epileptogenic zone increases seizure-freedom post-surgery by 200% to 300%. Single-photon emission computed tomography (SPECT) is commonly used, with magnetoencephalography (MEG) and electroencephalography (EEG), to localize the epileptogenic zone, because it localizes cerebral blood flow. There is limited research in the efficacy of SPECT localization in pediatric pharmacoresistant epilepsy. Therefore, the objective of this study was to determine the efficacy of SPECT in it's ability to localize the epileptogenic zone in laser ablation cases of pediatric pharmacoresistant epilepsy. Out of 122 SPECTs conducted at Dell Children's Medical Center from July 2010 to January 2015, 12 underwent laser ablation. In the 12 cases of laser ablation, SPECT displayed more sensitivity and specificity than EEG and more specificity than MEG when held against the laser ablation outcomes. This study further proves that SPECT is efficacious in epileptogenic zone localization of pediatric pharmacoresistant epilepsy.
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