نتایج جستجو برای: colon absorb dose of patient
تعداد نتایج: 21269460 فیلتر نتایج به سال:
Epiploic appendagitis is one of the self-limiting rare causes of acute abdominal pain that is caused by torsion or accidental necrosis of one of the epiploic appendix of the colon. Due to the absence of specific clinical findings for this disease, it is usually diagnosed by chance in examinations for the cause. The use of radiologic methods in diagnosis is very helpful. The importance of the to...
Introduction: Today electrophysiology studies and ablation have been developed due to increasing arrhythmias disorder of heart. In these diagnostic – treatments methods, the use of fluoroscopy can be causes patient radiation dose, therefore evaluation of patient's absorbed dose is necessary to protection of the radiation. The aim of this study was to evaluate the absorbed dose in patients under...
Introduction: As a physical treatment, electrochemical therapy (ECHT) has provided an effective and useful approach for treating localized tumors. The chemical changes due to a direct electric current destroy the tumor. This study evaluates the effect of electrical dose and polarity on the efficacy of the treatment of a colon tumor model. Materials and Methods: In order to in...
conclusions the effective annual dose of interventionists who work in center 1 and 2 was 143.08 and 1226.78 msv respectively. the high radiation dose which delivers to the leg of physicians in center 2 can be an important cause of radiation dermatitis occurred on the leg of our interventionist. patient dose during most of the procedures was less than the threshold dose for occurring erythema bu...
Introduction: Electronic portal imaging devices (EPIDs) could be used to dose verification of radiotherapy treatment plans. In vivo dose verification is performed to reduce differences found between dose delivered to the patient and the prescribed dose. The aim of this study was to perform a fast and efficient technique for the verification of delivered dose to the patient usin...
Introduction: The CT Provide high quality images, especially in low-contrast soft tissue, are another advantage. Along with all the benefits that the CT scans which have, the patient dose of this modality is much greater than other methods. As a result, medical imaging community must ensure that the benefits of radiological examination for each patient are higher than related r...
Background and purpose: Estimation of the risks of radiation would be possible by identifying the dose received. Introducing the dose level from diagnostic procedures can be effective in reducing the patient dose, improving the quality of treatment, and increasing the safety of patients and staff. This study evaluated patient entrance surface dose (ESD), effective dose, and cumulative dose from...
a rare case of diffuse lymphomatous polyposis of the gastrointestinal tract is reported in which the patient presented with abdominal pain, weight loss and bloody diarrhea. x-rays revealed multiple polyps involving the stomach, small intestine and colon. biopsies confirmed the diagnosis of lymphomatous polyposis. the duration of symptoms and signs was 3 months. diffuse lymphomatous polyposis of...
Introduction: The relation between patient Body Mass Index (BMI) and the external dose rate of thyroid cancer patients treated with 131I has been investigated. Methods: A total of 183 patients treated with 131I were selected randomly and divided according to their administrated activity into three groups: 3.7GBq, 5.5GBq and 7.4GBq. They were also stratified into three gro...
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