نتایج جستجو برای: 131i uptake
تعداد نتایج: 132676 فیلتر نتایج به سال:
used for thyroid disease could generate a chromosomal aberration, particularly (t 9,22) (q34 q11) developing, with a long latency, CML or in this case Ph+ ALL. Although the risk of leukemia after 131I exposure cannot be considered a contraindication to 131I therapy, strict hematologic follow-up of patients submitted to 131I treatment is recommended. Retrospective analysis of 131I exposure in la...
The Na+/I- symporter (NIS) present in the membranes of thyroid cells is responsible for the capacity of the thyroid to concentrate iodide. This allows treatment of thyroid cancers with 131I. We propose to enlarge this therapeutic strategy to nonthyroid tumors by using an adenoviral vector to deliver the NIS gene into the tumor cells. We constructed a recombinant adenovirus encoding the rat NIS ...
PURPOSE To determine the in vivo characteristics of huA33, a CDR-grafted humanized antibody against the A33 antigen, we have conducted an open-label, dose escalation, biopsy-based phase I trial of huA33 in patients with colorectal carcinoma. EXPERIMENTAL DESIGN Patients with colorectal carcinoma were infused with [131I]huA33 (400 MBq: 10 mCi) and [125I]huA33 (40 MBq: 1 mCi) 1 week before surg...
INTRODUCTION The aim of this study was to investigate the effects of 131I gelatin microspheres (131I-GMS) on human breast cancer cells (MCF-7) in nude mice and the biodistribution of 131I-GMSs following intratumoral injections. METHODS A total of 20 tumor-bearing mice were divided into a treatment group and control group and received intratumoral injections of 2.5 mci 131I-GMSs and nonradioac...
PURPOSE Combination of percutaneous microwave ablation (PMWA) and intravenous injection of 131I-hypericin(IIIH) may bear potential as a mini-invasive treatment for tumor. The objective of this study was to assess the effect of PMWA and IIIH in breast tumor growth. METHODS Ten New Zealand White rabbits bearing VX2 breast carcinomas were randomly divided into two groups (each 5 examples) and pr...
We present the case of a 72-year-old male who underwent thyroidectomy for encapsulated follicular carcinoma (3.5 cm×3 cm) in the left thyroid lobe andwas referred to the Department of Nuclear Medicine for ablationof thyroid remnants.Onadministrationof 131I (3700MBq) theTSHvaluewas63.8 IU/ml, thyroglobulin0.4ng/ml and antithyroglobulin antibodies 25.70U/ml. In the whole body scan (WBS) performed...
Antipeptide antibodies raised against the carboxyl-terminal region of the human sodium/iodide (Na+/I-) symporter (hNIS) were used to investigate by immunohistochemistry the presence and distribution of the hNIS protein in normal thyroid tissues, in some pathological nonneoplastic thyroid tissues, and in different histotypes of thyroid neoplasms. In normal thyroid tissue, staining of hNIS protei...
Biodistribution and pharmacokinetics of radiolabeled mAb E48 IgG and E48 F(ab')2 were analyzed and compared in 39 patients with histologically proven squamous cell carcinoma of the head and neck who were included in a radioimmunoscintigraphy study and underwent surgery 44 h after injection. Three groups of patients were distinguished: group 1 (n = 19) received technetium-99m (99mTc)-labeled E48...
The effects of the restriction of food and water intakes on gastrointestinal absorption, distribution to organs and excretion of 131I were investigated in C3H/He mice. The animals were divided into four groups and administered orally 37 kBq carrier-free Na 131I in 0.25 ml normal saline. One group of animals was given food and water ad libitum throughout the experimental period. Food and water t...
The expression of 4 thyroid tissue-specific genes [Na+/I- symporter (NIS), thyroid peroxidase (TPO), thyroglobulin (Tg), TSH receptor (TSH-R)] as well as of the glucose transporter type 1 (Glut1) gene was analyzed in 90 human thyroid tissues Messenger ribonucleic acids were extracted from 43 thyroid carcinomas (38 papillary and 5 follicular), 24 cold adenomas, 5 Graves' thyroid tissues, 8 toxic...
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