نتایج جستجو برای: resistance to i 131 therapy
تعداد نتایج: 11251683 فیلتر نتایج به سال:
Nothing but NET: A review of norepinephrine transporter expression and efficacy of 131I-mIBG therapy
Neuroblastoma is unique amongst common pediatric cancers for its expression of the norepinephrine transporter (NET), enabling tumor-selective imaging and therapy with radioactive analogues of norepinephrine. The majority of neuroblastoma tumors are avid for (123)I-metaiodobenzaguanidine (mIBG) on imaging, yet the therapeutic response to (131) I-mIBG is only 30% in clinical trials, and off-targe...
BACKGROUND Low iodine diet (LID) is recommended in patients with differentiated thyroid cancer before radioiodine administration. Patients with increased thyroglobulin (Tg) level, but negative (131)I whole body scan present diagnostic and therapeutic dilemma. This study was designed to evaluate the benefit of a two-week LID in patients with elevated serum Tg levels and negative (131)I whole bod...
In research institute for nuclear medicine (Tehran University of Medical Sciences) 50 patients with follicular thyroid carcinoma were evaluted retrospectively. The purpose of the study was assesment of the response of iodine-131 therapy. The best result were achieved when the patient treated with iodine-131 for the first time, in the 4th decade of life, with total thyroidectomy and no met...
UNLABELLED A single, low dose of recombinant human thyroid-stimulating hormone (rhTSH) doubles 24-h RAIU and causes a more homogeneous distribution of radioiodine on thyroid scintigrams of patients with nodular goiter. Pretreatment with rhTSH allows the therapeutic dose of (131)I to be reduced by 50%-60% without compromising the result of thyroid volume reduction. The present study focused on t...
(131)I is an integral component in postsurgical management of well-differentiated thyroid cancer (WDTC), which includes papillary and follicular types. (131)I is used postsurgically to either destroy remaining thyroid tissue (thyroid ablation) or to treat recurrence and metastases (radioiodine therapy). (131)I is no longer a routine diagnostic modality, but it is widely used for remnant ablatio...
PURPOSE Iodine-131-metaiodobenzylguanidine ((131)I-MIBG) has been shown to be active against refractory neuroblastoma. The primary toxicity of (131)I-MIBG is myelosuppression, which might necessitate autologous hematopoietic stem-cell transplantation (AHSCT). The goal of this study was to determine risk factors for myelosuppression and the need for AHSCT after (131)I-MIBG treatment. PATIENTS ...
OBJECTIVE The aim of this study was to determine whether or not the titre of thyroid-stimulating hormone receptor antibody with stimulating (TRAb-S) activity changes in patients with Graves' disease (GD) or toxic multinodular goitres (TMNG) 3 months after treatment with sodium iodide ((131)I). SUBJECTS AND METHODS Serum specimens were obtained from 21 hyperthyroid patients (15 with GD and 6 w...
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