نتایج جستجو برای: glial tumors
تعداد نتایج: 197390 فیلتر نتایج به سال:
Introduction: The most common primary tumors of brain are gliomas and tumor grading is essential for designing proper treatment strategies. The gold standard choice to determine grade of glial tumor is biopsy which is an invasive method. The purpose of this study was to investigatethe role of fiber density index (FDi) by means of diffusion tensor imaging (DTI) (as a noninvasive method) in glial...
retinoblastoma is the most common intraocular neoplasm in children. glial tumor of the retina and optic nerve head are considered to be congenital and are therefore classified as hamartomas. concurrent occurrence of these tumors in one eye is uncommon and by reviewing the studies, a few cases have been reported. we report a 9 years old boy with eye enucleation and concurrent occurrence of retin...
chemokines are biologically active peptides involved in the pathogenesis of various pathologies including brain malignancies. they are amongst primitive regulators of the development of immune responses against malignant glial tumors. the present study aimed to examine the expression of cc chemokines in anaplastic astrocytoma and glioblastoma multiform patients at both mrna and protein levels. ...
OBJECTIVE To study iron exchange irregularities in experimental animals and patients with glial brain tumors to ascertain the role of the 'iron component' in glial brain tumor pathogenesis. SUBJECT AND METHODS A suspension of A.101.08 tumor cells was implanted in the cortex of the left-brain hemisphere of rats to model experimentally induced glial brain tumor. At 7 or 14 days after implantati...
despite many advances in the field of cancer treatment, intra-cranial tumor cases still have a poor prognosis. this research has been carried out in order to describe age and sex distributions and histopathological characteristics and site of intra-cranial tumors. we studied 425 patients with intra-cranial tumor whose samples were examined in pathology center of imam khomeini hospital from 1991...
Despite many advances in the field of cancer treatment, intra-cranial tumor cases still have a poor prognosis. This research has been carried out in order to describe age and sex distributions and histopathological characteristics and site of intra-cranial tumors. We studied 425 patients with intra-cranial tumor whose samples were examined in pathology center of Imam Khomeini hospital from 1991...
ependymomas are glial tumors originate from ependymal cells lining the ventricles and the central canal of the spinal cord. two thirds of ependymomas arise in the infratentorial or intraventriclesandone-third aredetected in supratentorial area. however supratentorial “cortical” ependymomas are veryuncommon. ependymomas are usually infratentorial, intraventricular tumor, including 2–9% of all ce...
BACKGROUND Glial brain tumors span a wide range of neoplasms with distinct clinical and histopathological features. This report presents the descriptive epidemiology of glial tumors by histological subtype and tumor behavior. METHODS The study population included all incident cases of glial tumors diagnosed in Israel during March 2001 to July 2003. Age-standardized incidence rates (ASR) were ...
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