نتایج جستجو برای: brain metastases
تعداد نتایج: 520732 فیلتر نتایج به سال:
Abstract BACKGROUND Breast cancer is the most common in world and second to metastasize central nervous system (CNS). CNS-metastases are type of brain tumor have a rising incidence. They associated with neurologic morbidity mortality remain major clinical challenge. Survival withCNS-metastases short median survival order months. The incidence 5.1% breast however true prevalence not known; at au...
BACKGROUND The purpose of this study was to determine the incidence of and survival following brain metastases among women with triple receptor-negative breast cancer. PATIENTS AND METHODS In all, 679 patients with nonmetastatic triple receptor-negative breast cancer diagnosed from 1980 to 2006 were identified. Cumulative incidence of brain metastases was computed. Cox proportional hazards mo...
UNLABELLED Brain metastases are associated with a dismal prognosis. Whether brain metastases harbor distinct genetic alterations beyond those observed in primary tumors is unknown. We performed whole-exome sequencing of 86 matched brain metastases, primary tumors, and normal tissue. In all clonally related cancer samples, we observed branched evolution, where all metastatic and primary sites sh...
Brain metastases are a frequent complication in patients with lung cancer and a significant cause of morbidity and mortality. The prognosis of these patients is poor. Medical therapies for brain metastases are neither well-studied nor established. This review analyzes the impact of medical treatment on survival by reviewing recent articles of the management of brain metastases from lung cancer ...
Brain metastasis in non small cell lung cancer (NSCLC) patients is often considered as a terminal stage of advanced disease. Crizotinib is a small-molecule tyrosine kinase inhibitor (TKI) for ALK-rearranged NSCLC patients. Herein, we conducted a retrospective study to explore how Crizotinib affects the control of brain metastases and the overall prognosis in advanced ALK-rearranged NSCLC patien...
BACKGROUND Women with triple-negative (TN) breast cancer are at increased risk of distant metastases and have reduced survival versus other breast cancer patients. Relative survival of women with TN breast cancer who develop brain metastases is unknown. METHODS Patients with breast cancer who developed brain metastases at our institution from 1993 to 2006 were reviewed. Four survival time int...
Background/Aim: The aim of this study was to analyze the survival predictions obtained from a recent graded prognostic model developed and validated in Japan. Patients Methods: This retrospective single-institution analysis 249 patients, managed with whole-brain radiotherapy for brain metastases. sum scores calculated as Japanese study. following parameters were included: number metastases, vol...
PURPOSE Single dose gadolinium (Gd) enhanced fluid-attenuated inversion recovery (FLAIR) is helpful for visualizing superficial parenchymal metastases. However, the usefulness of FLAIR with a higher dose of Gd is uncertain. The aim of our study was two-folds: first, to prove that the signal to noise ratio (SNR) of small brain metastases is higher than large brain metastases on double-dose (DD) ...
Brain metastases are an important clinical problem. Few animal models exist for melanoma brain metastases; many of which are not clinically relevant. Longitudinal MRI was implemented to examine the development of tumors in a clinically relevant mouse model of melanoma brain metastases. Fifty thousand human metastatic melanoma (A2058) cells were injected intracardially into nude mice. Three Tesl...
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