We performed intraoperative neurophysiological monitoring (INM) during anteromesial temporal resection (AMTR) in a patient with lesional temporal lobe epilepsy. INM revealed a sudden decrease in N20 waves in somatosensory evoked potentials (SSEPs) and poor P100 waves in visual evoked potentials (VEPs). These changes developed after applying electrocoagulation in the right mesial temporal areas. Postoperative brain magnetic resonance imaging demonstrated right thalamic and medial occipital infarctions. SSEPs and VEPs monitoring can be useful for detecting posterior cerebral artery infarction in AMTR.
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Intraoperative and extraoperative neurophysiological monitoring in epilepsy surgery Dae Lim Koo, Dae-Won Seo Journal of Intraoperative Neurophysiology.2021; 3(1): 16. CrossRef
Facial nerve palsy after dental procedure is rarely reported. A 53-year-old woman visited our clinic due to right facial palsy after routine dental procedure with local anesthesia. Magnetic resonance imaging showed right facial nerve enhancement in the labyrinthine segment. The mechanism of facial nerve palsy after dental procedure might be due to the direct needle injury of facial nerve or neurotoxicity of local anesthesia