نتایج جستجو برای: i 131
تعداد نتایج: 1050616 فیلتر نتایج به سال:
Addition of a macromolecule to a solution will give rise to a large excluded volume for the centers of the solute molecules. This will cause an apparent increase in solute concentration which is of the same order of magnitude as that associated with the nonsolvent volumes reported in the literature. A critical examination of one of the procedures used for the determination of nonsolvent water-t...
Nowadays, several dispersion models are available to simulate the transport processes of air pollutants and toxic substances including radionuclides in the atmosphere. Reliability of atmospheric transport models has been demonstrated in several recent cases from local to global scale; however, very few actual emission data are available to evaluate model results in real-life cases. In this stud...
Background. The most appropriate therapy for papillary microcarcinoma (PMC) is controversial. Methods. We reviewed the therapy and outcome of 407 patients with PMC. Results. Three hundred-eighty patients underwent total thyroidectomy, and 349 patients received I-131 therapy. The median followup was 5.3 years. Forty patients developed recurrent disease. On univariate analysis, development of dis...
BACKGROUND Finding a specific agent is useful for early detection of tumor. Angiotensin II type 1 receptor (AT1R) was reported to be elevated in a variety of tumors and participate in tumor progression. The aim of our study was to evaluate whether (131)I-anti-AT1R monoclonal antibody (mAb) is an efficient imaging reporter for the detection of hepatocellular carcinoma. METHODOLOGY/PRINCIPAL FI...
Despite extensive use of iodine-131 ((131)I) treatment for Graves' hyperthyroidism, the optimal regimen of pretreatment with antithyroid drugs is still a matter of discussion. Our aim was to evaluate the success of (131)I treatment in patients with Graves' disease without and with pretreatment with methimazole (MMI). In a prospective randomized study 156 patients with Graves' disease were treat...
Hyperthyroidism in men is often treated with high doses of iodine-131 ((131)I), which may induce radiation side effects to patients and their environment. These therapeutic doses of (131)I could be decreased, if the (131)I uptake of the thyroid gland of the patients could be increased. Zinc sulphate has been considered to exercise a protective role by maintaining the cellular integrity of the t...
The aim of the present study was to evaluate the role of selenium (Se) on the thyroid uptake and retention of radioiodine ((131)I) and on the serum levels of thyroid hormones. Experimental rats were divided into four groups with 10 animals in each group viz: untreated controls, (131)II-treated, Se-treated and (131)I+Se-treated. Group II and Group IV animals were injected intraperitoneally with ...
In this report, the clinical course and treatment response of 210 patients with Grawes’ disease referred to the research institute for nuclear medicine were studied. The disease was more common in 3rd and 4th decades and more frequent in women (F/M=4). Treatment response with antithyroid drugs was about 50%, whereas 80% of the patients treated by I-131 showed positive response. There was ...
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