نتایج جستجو برای: high grade glioma
تعداد نتایج: 2202508 فیلتر نتایج به سال:
Tumoral neoangiogenesis characterizes high grade gliomas. Relative Cerebral Blood Volume (rCBV), calculated with Dynamic Susceptibility Contrast (DSC) Perfusion-Weighted Imaging (PWI), allows for the estimation of vascular density over the tumor bed. The aim of the study was to characterize putative tumoral neoangiogenesis via the study of maximal rCBV with a Region of Interest (ROI) approach i...
BACKGROUND To better understand patterns of occurrence or diagnosis of brain tumours in different segments of the population, we evaluated associations between sociodemographic variables and the relative incidence of brain tumours as part of a multi-faceted case-control study. METHODS The study was conducted at hospitals in three US cities between 1994 and 1998. In all, 489 glioma cases (354 ...
High-grade gliomas are devastating brain tumors associated with a mean survival of <50 weeks. Two of the most common genetic changes observed in these tumors are overexpression/mutation of the epidermal growth factor receptor (EGFR) vIII and loss of PTEN/MMAC1 expression. To determine whether somatically acquired EGFRvIII expression or Pten loss accelerates high-grade glioma development, we use...
objective: gliomas are the most common primary brain tumors, and have been ranked as the fourth leading cause of cancer death. tumor mesenchymal-like stem cells (tmscs) contribute to the aggressive behavior of glial tumors by providing a favorable microenvironment for the malignant cells. the aims of our study were to identify differential proteome of tmscs derived from low vs. high grade gliom...
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