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Microsurgical preservation of lenticulostriate artery perforators in insular glioma: the two point antegrade skeletonization technique.
Acta Neurochir (Wien)
January 2025
Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, Uttar Pradesh, India.
Background: Reaching parenchymal segments of the lateral lenticulostriate artery (LSA) perforators, which represent the medial resection limit in insular gliomas (IG), remains a challenge. The currently described methods are indirect and sometimes, imprecise.
Methods: We report an antegrade direct skeletonization technique to identify these tiny arteries at the medial end of IGs with an illustrative case of grade 2 astrocytoma.
Combining In Vivo Two-Photon and Laser Speckle Microscopy With the Ex Vivo Capillary-Parenchymal Arteriole Preparation as a Novel Approach to Study Neurovascular Coupling.
Microcirculation
January 2025
Geoffrey Jefferson Brain Research Centre, Manchester Academic Health Science Centre, Northern Care Alliance NHS Foundation Trust, University of Manchester, Manchester, UK.
Objective: Cerebral blood flow (CBF) decline is increasingly recognized as an area of importance for targeting neurodegenerative disorders, yet full understanding of the mechanisms that underlie CBF changes are lacking. Animal models are crucial for expanding our knowledge as methods for studying global CBF and neurovascular coupling in humans are limited and require expensive specialized scanners.
Methods: Use of appropriate animal models can increase our understanding of cerebrovascular function, so we have combined chronic cranial windows with in vivo two-photon and laser speckle microscopy and ex vivo capillary-parenchymal arteriole (CaPA) preparations.
Imaging in Vascular Liver Diseases.
Medicina (Kaunas)
November 2024
Imperial College London and Healthcare NHS Trust, London SW 2AZ, UK.
Vascular liver diseases (VLDs) include different pathological conditions that affect the liver vasculature at the level of the portal venous system, hepatic artery, or venous outflow system. Although serological investigations and sometimes histology might be required to clarify the underlying diagnosis, imaging has a crucial role in highlighting liver inflow or outflow obstructions and their potential causes. Cross-sectional imaging provides a panoramic view of liver vascular anatomy and parenchymal patterns of enhancement, making it extremely useful for the diagnosis and follow-up of VLDs.
View Article and Find Full Text PDFCapillary connections between sensory circumventricular organs and adjacent parenchyma enable local volume transmission.
J Neuroendocrinol
January 2025
Department of Psychology, Columbia University, New York, New York, USA.
Among contributors to diffusible signaling are portal systems which join two capillary beds through connecting veins. Portal systems allow diffusible signals to be transported in high concentrations directly from one capillary bed to the other without dilution in the systemic circulation. Two portal systems have been identified in the brain.
View Article and Find Full Text PDFOutcome of Patients With Central Nervous System Multiple Myeloma (CNS-MM) Treated With CNS-Directed Radiation Therapy.
Clin Lymphoma Myeloma Leuk
November 2024
Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX. Electronic address:
Background: The prognosis of multiple myeloma involving the central nervous system (CNS-MM) is poor. We report outcomes of CNS-MM treated with CNS-directed radiation therapy (RT).
Methods: We retrospectively reviewed patients with CNS-MM treated with CNS-directed RT from 2015 to 2024.
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