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ABSTRACT Introduction Patients with Parkinson's disease (PD) may benefit from deep brain stimulation (DBS). Perifocal brain edema sometimes occurs after DBS surgery, but it is transient and does not affect the final prognosis. Transient deterioration of cognitive function has been reported in patients with frontal edema in the first postoperative week. This study aimed to investigate the effect of Goreisan in preventing edematous changes after DBS and determine the influence of edema on cognition. Methods We included 29 patients with PD who underwent bilateral subthalamic nucleus (STN) DBS and who were divided into 2 groups: those using (11 patients) and those not using Goreisan (18 patients). At 1 week postoperatively, all patients underwent magnetic resonance imaging. We measured the volume of edema either in the frontal white matter or STN on fluid‐attenuated inversion recovery (FLAIR) images. Finally, brain edema, motor function, and cognitive function were compared between the groups with and without Goreisan. Results In the FLAIR image 1 week postoperatively, the average postoperative frontal subcortical edema (FE) volume of the group with Goreisan was significantly lower than that without Goreisan (2249 ± 2186 mm3, 6261 ± 7213 mm3, respectively, p = 0.023). Multivariate analysis with age, preoperative Mini‐Mental State Examination (MMSE) score, FE, and peri‐STN edema (SE) as factors, and MMSE at 1 week postoperatively as the dependent variable showed that preoperative MMSE score and SE were significant as associated factors. Conclusions FE after DBS surgery may be alleviated using Goreisan. SE and preoperative MMSE scores were associated with MMSE scores 1 week postoperatively. Trial Registration Not applicable

Abstract Mediterranean fever (MEFV) gene mutations are associated with familial Mediterranean fever (FMF). Recent studies have suggested that MEFV gene mutations may act as disease modifiers in neuro‐Behçet's (NBD) disease and neuro‐Sweet disease (NSD). We investigated MEFV genes and clinical features in 17 patients with NBD or NSD. MEFV gene mutations were frequently observed (70.6%). Headaches and exertional leg pain were associated with MEFV gene mutations (P

Abstract Vertebral artery dissection and recurrent meningitis are rare complications in Behçet's disease. Behçet's disease may be associated with familial Mediterranean fever. Here, we describe a 52‐year‐old woman with severe headache who exhibited recurrent meningitis and vertebral artery dissection. Cerebrospinal fluid showed high levels of interleukin‐6. Magnetic resonance imaging revealed right vertebral artery dissection. The patient had three heterozygous mutations in the familial Mediterranean fever gene (MEFV) gene. She fulfilled criteria for diagnosis of Behçet's disease and familial Mediterranean fever. In conclusion, mutations of the MEFV gene may cause neuro‐inflammatory disorders and cerebrovascular disorders by reducing anti‐inflammatory activity of pyrin.