نتایج جستجو برای: esophageal radiotherapy
تعداد نتایج: 107993 فیلتر نتایج به سال:
Esophageal cancer is the eighth most common cancer worldwide, and especially in some areas of China is the fourth most common cause of death and is of squamous cell carcinoma (SCC) histology in >90% of cases. Surgery alone was the mainstay of therapeutic intervention in the past, but high rates of local and systemic failure have prompted investigation into multidisciplinary management. In this ...
OBJECTIVE To control the postoperative local recurrence is one of the critical factors to improve prognosis of patients with esophageal carcinoma. The aim of this study is to evaluate the effectiveness of modified Ivor-Lewis esophagectomy plus adjuvant radiotherapy for local control of stage IIA squamous cell carcinoma in the mid-thoracic esophagus. METHODS One hundred and twenty-five patient...
AIMS AND BACKGROUND Radiation-induced lung toxicity occurs frequently in patients with esophageal carcinoma. This study aims to evaluate the clinical and three-dimensional dosimetric parameters associated with lung toxicity after radiotherapy for esophageal carcinoma. METHODS AND STUDY DESIGN The records of 56 patients treated for esophageal carcinoma were reviewed. The Radiation Therapy Onco...
The limited effectiveness of currently available chemotherapy in the treatment of advanced esophageal cancer, and the poor survival achieved in locally advanced disease with combined chemoradiotherapy with or without surgery, have prompted the evaluation of new agents. Irinotecan (CPT-11, Camptosar) has promising single-agent activity in gastrointestinal cancers. In phase II evaluation of weekl...
Radiotherapy is a useful component of treatment for esophageal cancer. Identification of the genes that are differentially expressed between radiosensitive and radioresistant cancer cells is important for predicting clinical effectiveness of radiotherapy. We established human esophageal cancer cell lines resistant to X-ray. Using differential display, we obtained one gene that was expressed in ...
Background: Radiotherapy can cause DNA damage in normal cells, misrepaired or unrepaired double strand breaks in DNA lead to chromosomal breaks. As a result patient experience early and late effects in normal tissue during and after radiotherapy. Cytogenetic techniques can be used as a cancer predictive assay because there is an association between chromosome abnormalities and the risk of devel...
esophageal cancer is one of the most common malignancies with a growing occurrence . it presently ranks ninth among the most frequent cancers in the world and the sixth leading cause of death from cancer . for a variety of reasons, the mainstream of patients with esophageal cancer is actually not suitable for esophagectomy. more than 50% have locally advanced unresectable or metastatic tumors a...
Despite improvements in surgical techniques, adjuvant chemotherapy and radiotherapy, many patients with esophageal carcinoma still suffer rapid recurrence of the disease and a poor prognosis [1]. Biomarkers should be useful tools to evaluate biological features of esophageal carcinoma to predict recurrence and/or patients’ survival [2]. Basically, thoracic esophageal squamous cell carcinoma (SC...
Esophageal squamous cell carcinoma is a rather common cancer in northern Iran. Incidence of adenocarcinoma of esophagus has an increasing trend in Iran. Co-existence of both cancers in one patient is very rare. We report a middle age woman from northern Iran with a typical presentation of esophageal cancer, who was found to have a dual esophageal cancer. The disease was found in the advanced st...
AIMS To evaluate the nutritional status of patients undergoing chemoradiotherapy for esophageal cancer using subjective global assessment (SGA) and association of prealbumin levels to nutritional status. METHODS A prospective study was performed on 154 patients with esophageal cancer who were treated with concurrent chemoradiotherapy at center of radiation oncology in Huai'an First People's H...
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