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Basilar artery (BA) fenestration and its occlusion are relatively rare conditions. Mechanical thrombectomy for fenestrated BA occlusion has a high risk of complications. One limb occlusion or partial occlusion of fenestration mimics arterial stenosis or dissection. We present the case of a 75-year-old woman who presented with slight dysarthria, which subsequently worsened. Magnetic resonance imaging, magnetic resonance angiography, and basi-parallel anatomical scanning (BPAS) revealed BA fenestration and occlusion of the larger limb of the fenestrated BA, for which we performed thrombectomy with aspiration and achieved Thrombolysis in Cerebral Infarction Grade 3 flow restoration without procedure-related complications. If BA occlusion occurs at a site where a thrombus does not normally occur, confirming the anatomy of the BA before thrombectomy is desirable. As we obtained information on BA fenestration and occluded limb diameter using preoperative BPAS, we were able to safely achieve effective recanalization by guiding a relatively large-diameter aspiration catheter to the thrombus coaxially with a micro-guidewire and microcatheter.

Generalized epilepsy with febrile seizures plus (GEFS+) is characterized by childhood-onset epilepsy syndrome. It involves febrile seizures and a variety of afebrile epileptic seizure types within the same pedigree with autosomal-dominant inheritance. Approximately 10% of individuals with GEFS+ harbor SCN1A, a gene mutation in one of the voltage-gated sodium channel subunits. Considerably less common are focal epilepsies including focal seizures with impaired consciousness. We report vagus nerve stimulation (VNS) in a 6-year-old girl with GEFS+ who exhibited drug-resistant generalized tonic-clonic seizures and focal seizures with impaired consciousness.