نتایج جستجو برای: chemotherapy and radiation
تعداد نتایج: 16897474 فیلتر نتایج به سال:
- astrocytomas, including glioblastoma multiforme (gbm), arc the most common brain tumors. post-operative radiotherapy plays an important rote in their treatment. records of all patients with a pathologic diagnosis of astrocytoma referred for radiotherapy from 1987-1992 were reviewed and prognostic factors with regard to recurrences were analyzed. during the study period, 162 astrocytoma patien...
BACKGROUND A positron emission tomography (PET) scan after induction chemotherapy before preoperative chemoradiation and surgery for esophageal adenocarcinoma predicts outcomes. Some patients with progression on PET after induction chemotherapy had long-term overall survival (OS) when they were changed to alternative chemotherapy during radiation. METHODS This study retrospectively reviewed e...
PURPOSE The optimum dose and fractionation in radiation therapy of curative intent for non-small cell lung cancer remains uncertain. We undertook a published data meta-analysis of randomized trials to examine whether radiation therapy regimens with higher time-corrected biologically equivalent doses resulted in longer survival, either when given alone or when given with chemotherapy. METHODS ...
Purpose The panel updated the American Society of Clinical Oncology (ASCO) adjuvant therapy guideline for resected non-small-cell lung cancers. Methods ASCO convened an update panel and conducted a systematic review of the literature, investigating adjuvant therapy in resected non-small-cell lung cancers. Results The updated evidence base covered questions related to adjuvant systemic therapy a...
BACKGROUND The optimal timing of chemoradiotherapy in limited-stage small-cell lung cancer (LS-SCLC) hasn't been established, although evidence from studies supported that patients can benefit from early radiation therapy. The purpose of this study was to quantify tumor shrinkage in response to induction chemotherapy (IC), evaluate the impact of tumor shrinkage on radiation dosimetric parameter...
PURPOSE Clinical trials have demonstrated the efficacy of bladder-preserving chemoradiation therapy (BPT) in muscle-invasive bladder cancer but have differed in the radiation therapy dose/fractionations, radiation therapy targets, and concurrent chemotherapy regimens used. No data exist on the technical and practical approaches actually used in clinical practice throughout the United States whe...
Although radiation therapy is effective in the management of patients with early stage nasopharyngeal cancer, a high rate of local-regional failure and distant dissemination is expected in patients with advanced disease. This has prompted studies on the addition of chemotherapy to radiation therapy. Chemotherapy has been used as a neoadjuvant and, less frequently, concomi-tantly with radiation ...
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