Background And Aim: Brainstem descending modulatory circuits have been postulated to be involved in migraine. Differences in brainstem volume between migraineurs and healthy controls have been demonstrated in previous research, nevertheless, the effect of migraine aura on brainstem volume is still uncertain. The aim of this study was to investigate the brainstem volume in migraineurs and examine the effect of migraine aura on brainstem volume.
Methods: Our study included 90 female migraine patients without white matter lesions. (29 migraine patients with aura (MwA) and 61 migraine patients without aura (MwoA) and 32 age-matched female healthy controls (HC). Using the FreeSurfer image analysis suite, the volumes of the entire brainstem and its subfields (medulla, pons, and midbrain) were measured and compared between migraine subgroups (MwA vs. MwoA) and the healthy control group. The possible effects of migraine characteristics (i.e., disease duration and migraine attack frequency) on brainstem volume were also investigated.
Results: Migraineurs had greater medulla volume (MwoA 3552 ± 459 mm, MwA 3424 ± 448 mm) than healthy controls (3236 ± 411 mm). Statistically, MwA vs. HC p = 0.040, MwoA vs. HC p = 0.002, MwA vs. MwoA p = 0.555. A significant positive correlation was found between disease duration and the volume of medulla in the whole migraine group (r = 0.334, p = 0.001). Neither the whole brainstem nor its subfields were significantly different in volume between migraine subgroups.
Conclusion: Brainstem volume changes in migraine are mainly localized to the medulla and not specific to the presence of aura.
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http://dx.doi.org/10.1016/j.clineuro.2023.108089 | DOI Listing |
Radiat Environ Biophys
January 2025
Radiation Physics, Faculty of Science, Al -Azhar University, Cairo, Egypt.
This study aimed to evaluate the dosimetric and clinical outcomes of flattening filter (FF) versus flattening filter-free (FFF) beams in head and neck cancer (HNC) patients treated with volumetric modulated arc therapy (VMAT). Twenty-four patients with 70/59.4/54 Gy dose prescribed in 33 fractions with simultaneous integrated boost treatment were retrospectively analyzed to compare treatment delivery efficiency, target coverage, sparing of organs at risk (OARs), and remaining volume at risk (RVR) in two HNC groups (nasopharyngeal and oropharyngeal).
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January 2025
Department of Neurosurgery, The University of Tokyo Hospital, Tokyo, 113-8655, Japan.
Recent technologic advancements have facilitated the use of hypofractionated Gamma Knife-based radiosurgery (HF-GKRS) to treat large lesions or those in eloquent areas. This study aimed to analyze the preliminary results of HF-GKRS for these meningiomas, and to determine its effectiveness and safety. This single-center retrospective study analyzed data of patients who underwent HF-GKRS for large meningiomas or those in eloquent areas with > 6 months of follow-up.
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December 2024
Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington, District of Columbia; Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia; Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, District of Columbia. Electronic address:
Background: Congenital disorders of glycosylation (CDG) are a group of metabolic disorders related to dysfunctional glycoprotein and glycolipid biosynthesis. ALG11-related CDG is a rare member of this group, characterized by severe neurodevelopmental impairment, progressive microcephaly, sensorineural hearing loss, and epilepsy. The objective of this report is to provide an update on the phenotype and brain magnetic resonance imaging (MRI) at age seven years for a patient initially described in early infancy with fetal brain disruption sequence.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Neurosurgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, No.79 Qingchun Road, Hangzhou, 310003, Zhejiang Province, China.
This study explored the risk factors associated with hydrocephalus incidence and evaluated the effectiveness of surgical treatments in managing this condition. Patients with PBSH were retrospectively evaluated, identifying clinical and radiological characteristics. A multivariate logistic regression model was used for analyses.
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October 2024
Aarhus University Hospital, Danish Centre for Particle Therapy, Aarhus N, Denmark.
Background And Purpose: Radiotherapy for paediatric posterior fossa tumours may cause complications in the brainstem and upper spinal cord due to high doses. With proton therapy (PT) this risk may increase due to higher relative biological effectiveness (RBE) from elevated linear energy transfer (LET). This study assesses variations in LET in the brainstem and spinal cord in proton treatment plans from European centres.
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