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http://dx.doi.org/10.1002/mds.25492 | DOI Listing |
Oper Neurosurg (Hagerstown)
November 2024
Department of Neurosurgery, University of Pennsylvania Health System, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.
Background And Objective: Transcranial magnetic resonance-guided focused ultrasound (MRgFUS) has revolutionized ablative treatment of essential tremor in recent years. However, limitations in precision targeting may account for suboptimal efficacy and significant side effects. We describe a simple intraprocedural three-dimensional image-guided lesion shaping technique that can improve overall outcomes of MRgFUS for essential tremor and facilitate expansion to novel indications.
View Article and Find Full Text PDFJ Neural Eng
January 2025
Department of Clinical Neurosciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
Transcranial ultrasound stimulation (TUS) presents challenges in ultrasound wave transmission through the skull, affecting study outcomes due to aberration and attenuation. While planning strategies incorporating 3D computed tomography (CT) scans help mitigate these issues, they expose participants to radiation, which can raise ethical concerns. A solution involves generating skull masks from participants' anatomical magnetic resonance imaging (MRI).
View Article and Find Full Text PDFHum Brain Mapp
February 2025
Department of Psychology, Ludwig Maximilian University Munich, Munich, Germany.
Accurate metacognitive judgments about an individual's performance in a mental task require the brain to have access to representations of the quality and difficulty of first-order cognitive processes. However, little is known about how accurate metacognitive judgments are implemented in the brain. Here, we combine brain stimulation with functional neuroimaging to determine the neural and psychological mechanisms underlying the frontopolar cortex's (FPC) role in metacognition.
View Article and Find Full Text PDFEClinicalMedicine
February 2025
Department of Neurosurgery, King's College Hospital Foundation Trust, London, UK.
Background: Supratentorial function-eloquent brain tumour surgeries challenge the balance between maximal tumour resection and preservation of neurological function. This study aims to evaluate the efficacy of preoperative and intraoperative mapping techniques on resection outcomes and post-operative deficits.
Methods: This systematic review and meta-analysis examined literature up to March 2023, sourced from PubMed, Embase, and Medline.
JCEM Case Rep
February 2025
Neurosurgery Service, Specialty Hospital of the National Medical Center Siglo XXI, Mexican Social Security Institute, Mexico City 06720, Mexico.
Neurosarcoidosis (NS) is a rare form of sarcoidosis, with isolated hypothalamic-pituitary involvement being exceptionally uncommon. We report a 20-year-old woman presenting with polyuria, galactorrhea, amenorrhea, and substantial weight loss. Hormonal evaluation revealed hypopituitarism with arginine-vasopressin deficiency and hyperprolactinemia.
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