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http://dx.doi.org/10.1038/nrneurol.2013.16 | DOI Listing |
J Med Syst
January 2025
Department of Neurosurgery, University Medical Centre Utrecht, Utrecht, The Netherlands.
This study aimed to develop and validate a cost-effective, customizable patient-specific phantom for simulating external ventricular drain placement, combining image segmentation, 3-D printing and molding techniques. Two variations of the phantom were created based on patient MRI data, integrating a realistic skin layer with anatomical landmarks, a 3-D printed skull, an agarose polysaccharide gel brain, and a ventricular cavity. To validate the phantom, 15 neurosurgeons, residents, and physician assistants performed 30 EVD placements.
View Article and Find Full Text PDFFront Oncol
December 2024
Department of Neuro-Oncology, Cancer Center, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Background: Leptomeningeal metastasis of gastric adenocarcinoma (LM-GC) is a rare and severe complication with a poor prognosis, its prognosis is significantly poorer than liver, lung, and peritoneal metastases. Studies on LM-GC have been limited to clinical case reports. Despite advances in systemic therapies, there is a lack of standardized treatment protocols for LM-GC due to its rarity and the challenges it presents.
View Article and Find Full Text PDFJ Neurooncol
January 2025
Division of Neuro-Oncology, Department of Neurology, Mayo Clinic, Rochester, MN, USA.
Purpose: Bevacizumab, an anti-VEGF monoclonal antibody, has become a mainstay therapeutic in the management of malignant glioma. It is unknown if the risk of intracranial hemorrhage (ICH), a major complication associated with bevacizumab use, is dose-dependent.
Methods: This was a single institution retrospective analysis of patients treated with bevacizumab for the management of gliomas between 2009 and 2022.
Magn Reson Imaging
December 2024
Department of Radiology and Diagnostic Imaging, Nicolaus Copernicus University, Collegium Medicum, Bydgoszcz, Poland.
Background: Brain tumors exhibit diverse genetic landscapes and hemodynamic properties, influencing diagnosis and treatment outcomes.
Purpose: To explore the relationship between MRI perfusion metrics (rCBV, rCBF), genetic markers, and contrast enhancement patterns in gliomas, aiming to enhance diagnostic accuracy and inform personalized therapeutic strategies. Additionally, other radiological features, such as the T2/FLAIR mismatch sign, are evaluated for their predictive utility in IDH mutations.
Nat Commun
December 2024
Center for Neuro-Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
Glioblastoma is immunologically "cold" and resistant to single-agent immune-checkpoint inhibitors (ICI). Our previous study of neoadjuvant pembrolizumab in surgically-accessible recurrent glioblastoma identified a molecular signature of response to ICI and suggested that neoadjuvant pembrolizumab may improve survival. To increase the power of this observation, we enrolled an additional 25 patients with a primary endpoint of evaluating the cell cycle gene signature associated with neoadjuvant pembrolizumab and performed bulk-RNA seq on resected tumor tissue (NCT02852655).
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