نتایج جستجو برای: megavoltage energy lung cancer
تعداد نتایج: 1754512 فیلتر نتایج به سال:
Background: The in vitro studies show that the modern cardiac pacemakers utilising the complementary metal-oxide semi-conductor (CMOS) circuitry can be adversely affected by therapeutic radiation. However, the published clinical data are sparse regarding the safety of radiotherapy delivery to patients with artificial pacemakers. Despite the potential risk of life threatening complications, ther...
Multifunctional nanoprobes have great potential as effective radiosensitizers and drug carriers. RGD-modified gold nanorods could increase the uptake of nanoparticles via receptor-mediated endocytosis in integrin alphaV beta3-overexpressing breast cancer cells, which could enhance the effects of radiation on tumor cells, leading to further radiosensitization. The purpose of our study was to dem...
conclusions results of the current study showed the high prevalence of m. tuberculosis among the patients with lung cancer; therefore, it seems that continuous surveillance is essential to monitor the m. tuberculosis in the patients with lung cancer. results the subjects included 252 (66.3%) males and 128 (33.7%) females. based on cultural and microscopic methods, m. tuberculosis infection was ...
Introduction: Boron neutron capture therapy (BNCT) is recommended to treat the glioblastoma tumor. It is well known that neuron beams are more effective treatment than photon beams to treat hypoxia tumors due to interaction of neutron with nucleus and production of heavy particles such as 7Li and alpha particle. In this study to evaluate the suitability of BNCT for treating of ...
although acrometastases are rare but clinically they are considered important. their etiology is quite different from the metastases to other sites; bronchogenic carcinoma is by far the most frequent case. the prognosis is always similar to metastatic bronchial cancer with an average survival of three months. treatment may involve distal digital amputation or antalgic radiotherapy. the main dif...
background: the her-2/neu gene is located on chromosome 17q21 and encodes a 185-kda transmembrane glycoprotein with tyrosine kinase activity reported to be released in soluble form in various malignancies. objective: to evaluate the clinical significance of soluble her-2/neu as a diagnostic marker in lung cancer. methods: serum levels of soluble her-2/neu were measured in 43 patients with lung ...
BACKGROUND AND PURPOSE An analysis of the current radiotherapy status in Turkey was conducted to establish a comprehensive baseline. Turkey's future demand analysis in view of international benchmarks was conducted. Moreover, the ministerial plans are shared to present an example for making a comprehensive planning in developing countries. METHODS The data from all radiotherapy centers in Tur...
BACKGROUND AND PURPOSE A comprehensive dosimetry intercomparison has been carried out involving all the radiotherapy centres, all external beam modalities and every radiotherapy treatment unit in the Republic of Ireland. MATERIALS AND METHODS Reference point measurements were made for all megavoltage photon beams. Doses were also investigated in planned three-field distributions. One of these...
introduction: lung cancer is one of the leading causes of cancer related deaths in the world. the incidence of lung cancer is increasing in india and there is a need to understand the natural history of this disease. aim of the study: to study the clinico- pathological- radiological profile of patients diagnosed with lung cancer from january 2013 to may 2015 at a tertiary care teaching hospital...
aims: the backbone of treatment in advanced non-small cell lung cancer is platinum-based doublet chemotherapy. we intended to compare the effectiveness of two commonly used regimens in real world practice. methods: this single institute, parallel comparative post marketing study included 100 patients with chemo-naïve advanced (stage iiib, iv) non-small cell lung cancer and eastern cooperative o...
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