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- Title
Surgery for Radiologically Normal-Appearing Temporal Lobe Epilepsy in a Centre with Limited Resources.
- Authors
Arifin, Muhamad Thohar; Bakhtiar, Yuriz; Andar, Erie B. P. S.; Kurnia B., Happy; Priambada, Dody; Risdianto, Ajid; Kusnarto, Gunadi; Tsaniadi, Krisna; Bunyamin, Jacob; Hanaya, Ryosuke; Arita, Kazunori; Bintoro, Aris Catur; Iida, Koji; Kurisu, Kaoru; Askoro, Rofat; Briliantika, Surya P.; Muttaqin, Zainal
- Abstract
Approximately 26–30% of temporal lobe epilepsy (TLE) cases display a normal-appearing magnetic resonance image (MRI) leading to difficulty in determining the epileptogenic focus. This causes challenges in surgical management, especially in countries with limited resources. The medical records of 154 patients with normal-appearing MRI TLE who underwent epilepsy surgery between July 1999 and July 2019 in our epilepsy centre in Indonesia were examined. The primary outcome was the Engel classification of seizures. Anterior temporal lobectomy was performed in 85.1% of the 154 patients, followed by selective amygdalo-hippocampectomy and resection surgery. Of 82 patients (53.2%), Engel Class I result was reported in 69.5% and Class II in 25.6%. The median seizure-free period was 13 (95% CI,12.550–13.450) years, while the seizure-free rate at 5 and 12 years follow-up was 96.3% and 69.0%, respectively. Patients with a sensory aura had better seizure-free outcome 15 (11.575–18.425) years. Anterior temporal lobectomy and selective amygdala-hippocampectomy gave the same favourable outcome. Despite the challenges of surgical procedures for normal MRI TLE, our outcome has been favourable. This study suggests that epilepsy surgery in normal MRI TLE can be performed in centres with limited resources.
- Subjects
INDONESIA; OPERATIVE surgery; TEMPORAL lobe epilepsy; MAGNETIC resonance imaging; AMYGDALOID body; EPILEPSY surgery
- Publication
Scientific Reports, 2020, Vol 10, Issue 1, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/s41598-020-64968-4