نتایج جستجو برای: multiple meningioma
تعداد نتایج: 764714 فیلتر نتایج به سال:
Meningioma recurrence after complete removal remains one of the most relevant problems of meningioma treatment. DNA microarray technologies allow the screening of several thousands genes simultaneously. This gene expression profiling approach has been successfully applied in many researches associated with tumor classification. We analyzed genome wide expression profiles of 68 meningioma sample...
BACKGROUND The etiology of meningioma is largely unknown, although breast cancer has been suggested to play a role. METHODS A monoinstitutional, retrospective analysis was performed at European Institute of Oncology on 12,330 patients with breast cancer. The cumulative incidence of meningioma was estimated using the Kaplan-Meier method and the log-rank test was used to assess differences betw...
purpose: to report an unusual case of orbitocranial meningioma presenting in a neonate. methods: case report results: a 1-day-old neonate was presented with severe proptosis of the left eye. ct scan and mri showed an extensive mass with involvement of left orbit and brain. discrete calcification could be seen on ct scan. the patient did not have any signs of neurofibromatosis and family history...
The objective of this research work is to classify brain tumor images into 4 different classes by using Convolutional Neural Network (CNN) algorithm i.e. a deep learning method with VGG16 architecture. four are pituitary, glioma, meningioma, and no tumor. dataset used for publicly available MRI Image 7023 images. methodology followed in project includes data pre-processing, model building, eval...
Differential diagnosis of a solid cystic lesion in supratentorial location includes glioma,1 meningioma,2 metastatic tumor,3 or hemangioblastoma.1 Cystic meningioma is relatively a rare tumor.2 Among various histological variants of meningioma, the meningothelial type most frequently demonstrates cystic changes.3 Richly vascularized meningiomas of the angiomatous type were reported only in a fe...
The 5-aminolevulinic acid (5-ALA)-induced tumor fluorescence is a useful intraoperative marker for the diagnosis and the detection of various malignancies, but its use in meningioma is only reported infrequently. In meningioma, a complete resection of the tumor mass is crucial for the prevention of recurrence and postoperative morbidities. Deep sylvian meningioma is a rare type of meningioma wh...
The authors present a case of familial clear cell meningioma in which the proband is a child with an intraspinal tumor. The clear cell meningioma variant has recently been studied. The literature regarding clear cell meningioma is reviewed.
OBJECTIVES The objective of this study was to examine the associations of brain tumours with radio frequency (RF) fields from mobile phones. METHODS Patients with brain tumour from the Australian, Canadian, French, Israeli and New Zealand components of the Interphone Study, whose tumours were localised by neuroradiologists, were analysed. Controls were matched on age, sex and region and alloc...
OBJECTIVE A rare subtype of meningioma, sclerosing meningioma is not included in the current World Health Organization classification of meningiomas and is classified into the category of other morphological variation subtypes. Sclerosing meningioma is often misdiagnosed to other non-benign meningioma or malignant neoplasm, so it is important to diagnose sclerosing type correctly. We analyzed t...
Since the atomic bomb explosions in Hiroshima and Nagasaki, high incidences of leukemia, thyroid cancer and other tumors have been reported as atomic bomb-induced tumors. We investigated the incidence of meningioma among Hiroshima atomic bomb survivors. Sixty-eight patients surgically treated for meningioma who had been within 2.0 km of the hypocenter of the explosion were identified. Six hundr...
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