نتایج جستجو برای: i 131
تعداد نتایج: 1050616 فیلتر نتایج به سال:
OBJECTIVE We assessed the lesion detectability of low-dose diagnostic (123)I-metaiodobenzylguanidine (MIBG) whole-body scans obtained at 6 and 24 h compared with posttreatment (131)I-MIBG whole-body scans in malignant pheochromocytoma and paraganglioma. METHODS Scintigrams obtained in 15 patients with malignant pheochromocytoma and paraganglioma were retrospectively analyzed. Diagnostic scans...
UNLABELLED Patients with differentiated thyroid carcinoma (DTC) are treated with (131)I therapy after total thyroidectomy or surgical resection of recurrent tumor. However, some recurrent DTC lesions are not iodine-avid, which affects further treatment planning. The aim of this study was to evaluate the clinical benefit of (18)F-FDG PET/CT performed concurrently with (131)I therapy in DTC patie...
OBJECTIVE To compare the efficacy of interstitial laser photocoagulation (ILP) with radioiodine in hot thyroid nodules. DESIGN Thirty consecutive outpatients with subclinical or mild hyperthyroidism and a scintigraphically solitary hot nodule with extraglandular suppression were randomized to either one ILP session or one radioiodine ((131)I) dose. METHODS ILP was performed under continuous...
A technic, efficient in use ~ of I TM, has been developed for introducing I TM into 4-mg. amounts of antibody or 3,-globulin protein at a level of 10 me. I ~al per mg. protein with a resulting iodine content of ~-S atoms per protein molecule of 160,000 molecular weight. Oak Ridge I TM was adjusted to pH 8 with borate buffer and the requisite amount of hydrochloric acid. To this solution was add...
Radioiodine therapy is the safest, simplest, least expensive and most effective method for treatment of hyperthyroidism. The method employed in this research was a systematic bibliographic review, in which only valid studies or the clinically detailed enough open-labeled studies using validated scales were used. Iodine-131 (I-131) acts by the destructive effect of short-range beta radiation on ...
INTRODUCTION Given the shorter half-life of cesium-131 (Cs-131) compared to iodine-125 (I-125), we hypothesized that initial PSA outcomes may differ. We compare initial PSA outcomes in men undergoing Cs-131 prostate brachytherapy to men treated with I-125. PATIENTS AND METHODS The first post-treatment PSA (obtained 3-6 months after the procedure) was compared in patients undergoing I-125 pros...
BACKGROUND Iodine 131 ablation following total thyroidectomy is considered an indispensable element of successful treatment of differentiated thyroid carcinoma (Dtc). because of the essential role of the kidneys in iodine clearance, (131)I therapy of Dtc in patients with end stage renal disease, particularly those maintained on haemodialysis, present a number of special features: the (131)I act...
Therapy with radioiodine (I-131) has been used for patients with well-differentiated thyroid cancer such as papillary and follicular thyroid carcinoma to ablate normal thyroid tissue or to treat metastatic lesions. The improvement of survival rates and decrease of recurrence rates after I-131 therapy has been documented by retrospective studies (Mazzaferri & Jhiang, 1994; Samaan et al., 1992). ...
The impact of radioiodine-131 ((131)I) treatment on thyroid cancer patients' quality of life is controversial. We conducted a cross-sectional study of 60 patients aged 18-73 years old who had recently underwent near total thyroidectomy due to papillary thyroid cancer and were scheduled for (131)I treatment. On admission to our department, prior to (131)I administration patients underwent clinic...
The use of radioactive iodine ((131)I) for the treatment of thyroid carcinoma has changed over the past 50 y. These changes are based on increasing awareness of the biophysical properties of (131)I and new discoveries concerning the biology of iodine handling by thyroid cells. The therapeutic administration of (131)I for thyroid remnant ablation and for metastases requires an appreciation of io...
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