Results 21 to 30 of about 327,511 (299)

MODL-01. INTRACRANIAL TUMORS HIJACK THE MENINGEAL VENOLYMPHATIC NETWORK THROUGH VEGFR-2 SIGNALING

open access: yesNeuro-Oncology, 2023
Glioblastoma and other intracranial neoplasms have been associated with breakdown of the blood brain barrier. Other protective CNS barriers have sparsely been studied in brain tumors.
D. McGavern, L. Ampie
semanticscholar   +1 more source

Spectrum of Neurologic Complications in Chronic Lymphocytic Leukemia [PDF]

open access: yes, 2012
Neurologic disease is believed to be an unusual complication during the course of chronic lymphocytic leukemia. Nevertheless, it has already been proven in autopsy series that the incidence of occult nervous system infiltration is much higher than was ...
Lopes Silva, R
core   +1 more source

Meningeal solitary fibrous tumor cell states phenocopy cerebral vascular development and homeostasis

open access: yesResearch Square, 2023
Meningeal solitary fibrous tumors (SFTs) are rare mesenchymal neoplasms that are associated with hematogenous metastasis, and the cell states and spatial transcriptomic architecture of SFTs are unknown.
D. Raleigh   +8 more
semanticscholar   +1 more source

MR Imaging Findings of Supratentorial Meningeal Hemangioblastoma: A Case Report

open access: yes대한영상의학회지, 2016
Hemangioblastomas account for 1.1–2.5% of intracranial neoplasms. These tumors most commonly occur in the cerebellum. A 77-year-old woman had a hemangioblastoma, which showed the supratentorial meningeal mass without any history of von Hippel-Lindau ...
Gi Hong Kim   +3 more
doaj   +1 more source

Intraoperative Frozen Cytology of Central Nervous System Neoplasms: An Ancillary Tool for Frozen Diagnosis [PDF]

open access: yesJournal of Pathology and Translational Medicine, 2019
Background Pathologic diagnosis of central nervous system (CNS) neoplasms is made by comparing light microscopic, immunohistochemical, and molecular cytogenetic findings with clinicoradiologic observations.
Myunghee Kang   +18 more
doaj   +1 more source

Diffusion, Perfusion, and Histopathologic Characteristics of Desmoplastic Infantile Ganglioglioma. [PDF]

open access: yes, 2016
We present a case series of a rare tumor, the desmoplastic infantile ganglioglioma (DIG) with MRI diffusion and perfusion imaging quantification as well as histopathologic characterization. Four cases with pathologically-proven DIG had diffusion weighted
Bonnin, Jose   +3 more
core   +1 more source

EPCO-48. THE SINGLE-CELL AND SPATIAL TRANSCRIPTOMIC ARCHITECTURE OF MENINGEAL SOLITARY FIBROUS TUMORS PHENOCOPIES CEREBRAL VASCULAR DEVELOPMENT AND HOMEOSTASIS

open access: yesNeuro-Oncology, 2023
Meningeal solitary fibrous tumors (SFTs) are rare mesenchymal neoplasms that are associated with local recurrence and distant metastasis. The cell states and spatial transcriptomic architecture of SFTs are unknown. Single-cell RNA sequencing
K. Mirchia   +8 more
semanticscholar   +1 more source

Atypical Intratemporal Meningioma Masquerading as Otitis Media—Clinical and Radiological Diagnostic Dilemma

open access: yesIndian Journal of Radiology and Imaging, 2021
Meningiomas are the most common intracranial extra-axial neoplasms with mostly straightforward radiological diagnosis; however, they can have unusual clinical and imaging manifestations posing diagnostic dilemma for radiologists and clinicians.
Mrinal Matish   +2 more
doaj   +1 more source

The pleomorphic xanthoastrocytoma and its differential diagnosis: A study of five cases [PDF]

open access: yes, 1991
__Abstract__ Five brain tumors with the histopathologic features of pleomorphic xanthoastrocytomas (PXAs) are presented. Computed tomography scans showed a remarkable homology.
Kros, J.M. (Johan)   +2 more
core   +2 more sources

461 Intracranial Tumors Hijack the Meningeal Venolymphatic Network Through VEGFR-2 Signaling

open access: yesNeurosurgery, 2023
INTRODUCTION: Glioblastoma and other intracranial neoplasms have been associated with breakdown of the blood brain barrier. Other protective CNS barriers have sparsely been studied in brain tumors.
L. Ampie, D. McGavern
semanticscholar   +1 more source

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