منابع مشابه
Palliative radiation therapy for advanced gastrointestinal cancer.
Patients with locally advanced disease can have significant local symptoms. The most common symptoms from local extension are pain, bleeding (hematemesis, melena) and obstruction (dysphagia, vomiting). These can cause a significant impact on a patient's quality of life. Radiation therapy is used to control these symptoms with modern 3-dimensional conformal techniques or brachytherapy. The aim o...
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Introduction The first medical intervention for many breast cancer patients is breast conserving surgery (BCS) and/or modified radical mastectomy (MRM). Most of these patients undergo radiation therapy, following surgery. The most common side-effect of breast radiotherapy is skin damage. In the present study, the severity of acute skin changes and the underlying causes were investigated in pati...
متن کاملEsophageal Cancer Radiation Therapy
Esophageal cancer often is asymptomatic until it has advanced or metastasized to distant organs, limiting treatment options. The 2 most common forms are squamous cell carcinomas that appear in the upper or midesophagus and esophageal adenocarcinomas that tend to occur lower in the esophagus or at the gastroesophageal junction. Since the 1980s higher rates of esophageal adenocarcinomas have been...
متن کامل3D-Conformal Radiation Therapy and Intensity-Modulated Radiation Therapy Techniques for Laryngeal Cancer Taking Parotid Glands as Organ at Risk
Background: Three-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiotherapy (IMRT) techniques are used for the treatment of patients with laryngeal cancer. Objective: This study aimed to investigate the effects of these 2 treatment techniques on the planning target volume (PTV) (laryngeal cancer), dose homogeneity, dose of organs at...
متن کاملComparison of Radiobiological Models for Radiation Therapy Plans of Prostate Cancer: Three-dimensional Conformal versus Intensity Modulated Radiation Therapy
Purpose: In the current study, using different radiobiological models, tumor control probability (TCP) and normal tissue complication probability (NTCP) of radiotherapy plans were calculated for three-dimensional conformal radiation therapy (3D-CRT) and intensity modulated radiation therapy (IMRT) of prostate cancer.Methods and Materials: 10 prostate plans were randomly selected among patients ...
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ژورنال
عنوان ژورنال: Gut
سال: 1991
ISSN: 0017-5749
DOI: 10.1136/gut.32.3.341