نتایج جستجو برای: chemotherapy and radiation
تعداد نتایج: 16897474 فیلتر نتایج به سال:
background: the rationale was to develop an ablation approach to destroy regions of tumor resistant to radiation and thus reduce the time required for whole tumor ablation, while improving overall tumor control after radiotherapy. materials and methods: the system is composed of a micro positron emission tomography (mpet), 7t magnetic resonance imaging (mri), and a customized mri-compatible foc...
OBJECTIVES The role of radiation therapy in the management of unresectable pancreatic cancer is controversial. One concern about concurrent chemoradiation relates to the timing of chemotherapy. In contrast to conventional radiation therapy, stereotactic body radiation therapy (SBRT) delivers high doses in a shorter duration resulting in minimal disruption in chemotherapy. Here, we report our re...
The variety of treatment options for cancer patients has increased significantly in recent years. Not only do we combine radiation with surgery and chemotherapy, new therapeutic approaches such as immunotherapy and targeted therapies are starting to play a bigger role. Physics has made significant contributions to radiation therapy treatment planning and delivery. In particular, treatment plan ...
Background: Massive bone allograft is an option in cases of limb preservation and reconstruction after massive benign and malignant bone tumor resection. The purpose of this study was to analyze the outcome of these procedures at Imam Reza Hospital, Mashhad University of Medical Sciences. Methods: In this study, 113 cases have been presented. Eleven cases were excluded (patients has a traumat...
RATIONALE Apatinib is a novel anti-angiogenic agent targeting vascular endothelial growth factor receptor-2, which is effective in patients with chemotherapy-refractory gastric cancer. There are no reports of concurrent apatinib with local radiation therapy in elderly patients with advanced gastric cancer. PATIENT CONCERNS AND DIAGNOSES:: we present the first published report of a 70-year-old m...
introduction: burkitt lymphoma (bl) is rare, but an aggressive malignancy. central nervous system burkitt lymphoma (cnsbl) is very rare. cns burkitt’s lymphoma is treated with high-dose chemotherapy and radiation. radiotherapy in children younger than three years old may cause major cns damage. case report: a three-year-old boy presented with painful proptosis of the left eye. he underwent aden...
Resistance to conventional adjuvant therapies (i.e., chemotherapy and radiation) has been well documented in malignant gliomas. Unlike many other tumor types, combined modality therapy involving radiation and chemotherapy has failed to appreciably enhance outcome for glioblastoma patients compared with radiation alone. In vitro, we have observed an actual antagonistic effect between sequential ...
Although the role of radiation therapy and chemotherapy in primary central nervous system lymphoma (PCNSL) has evolved considerably over the past decade, the application of treatment modalities in the community has not been evaluated. We analyzed the use of chemotherapy, radiation therapy, and associated overall survival, among 9165 HIV-negative PCSNL cases reported to the US National Cancer Da...
run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...
Resistance to conventional adjuvant therapies (i.e., chemotherapy and radiation) has been well documented in malignant gliomas. Unlike many other tumor types, combined modality therapy involving radiation and chemotherapy has failed to appreciably enhance outcome for glioblastoma patients compared with radiation alone. In vitro, we have observed an actual antagonistic effect between sequential ...
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