نتایج جستجو برای: technetium uptake

تعداد نتایج: 143621  

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 1999
R Martínez-Lázaro A Cortés

Key words: hyperparathyroidism-radionuclide-imaging; primary and secondary hyperparathyroidism [1–3]. With hyperplastic parathyroid glands tetrofosmin hyperplasia; Technetium-99m-diagnostic use; tetrofosmin imaging gives an overall sensitivity of 84% and a specificity of 75%, higher than those of Tc-99m sestam-ibi, ultrasonography and magnetic resonance imaging Renal history [1–2]. The former h...

Journal: :British medical journal 1972
Hoff W van't G G Pover N M Eiser

The thyroid uptake at 20 minutes of intravenously administered Technetium-99(m) ((99m)Tc) was measured in 117 patients with a standard scintillation counter. Patients were divided into three groups on the basis of clinical assessment, four-hour (131)I uptake, triiodothyronine (T-3) resin uptake, and protein-bound iodine measurements.In 31 patients with no evidence of thyroid disease the mean (9...

Journal: :iranian journal of nuclear medicine 2016
ali badbarin amir reza jalilian hassan yousefnia mohammad mazidi fatemeh bolourinovin

introduction: the endemic occurrence of new strains of tuberculosis around the globe has initiated new research on developing diagnostic radiopharmaceutical based on antibiotics. methods:tc-99m labeled streptomycin was prepared using freshly milked 99mtco4- and various concentrations of streptomycin, stannous chloride at various temperatures in high yield radiochemical purity shown by hplc/rtlc...

Journal: :asia oceania journal of nuclear medicine and biology 0
shinro matsuo department of nuclear medicine, kanazawa university, kanazawa, japan kenichi nakajima department of nuclear medicine, kanazawa university, kanazawa, japan seigo kinuya department of nuclear medicine, kanazawa university, kanazawa, japan

mitochondria play an important role in energy production for the cell. the proper function of a myocardial cell largely depends on the functional capacity of the mitochondria.  therefore it is necessary to establish a novel and reliable method for a non-invasive assessment of mitochondrial function and metabolism in humans. although originally designed for evaluating myocardial perfusion, 99mtc...

2005
David Piwnica-Worms

The fundamental myocellular uptake and retention mechanisms of hexakis (2-methoxyisobutyl isonitrile) technetium(I) (Tc-MIBI), a technetium-99m-based myocardial perfusion imaging agent, are unresolved. Because of the lipophilic cationic nature of Tc-MIBI, it may be distributed across biological membranes in response to transmembrane potential. To test this hypothesis, net uptake and retention o...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1999
T J O'Brien B H Brinkmann B P Mullan E L So M F Hauser M K O'Connor J Hung C R Jack

OBJECTIVES Most studies that clinically validated peri-ictal SPECT in intractable partial epilepsy had used technetium-99m-hexamethylpropylene amine oxime (99mTc-HMPAO or 99mTc-exametazime) as the radiopharmaceutical. Because of some theoretical advantages, technetium-99m-ethyl cysteinate diethylester (99mTc-ECD or 99mTc-bicisate) is increasingly being used instead. This study compares unstabil...

Journal: :Indian journal of experimental biology 2011
Priyanka Saxena Aseem Bhatnagar Dhruv Kumar Nishad Ritu Tyagi Poonam Rana Shakir Ali Gaurav Mittal

Incubation of BMG-1 cells with thallium chloride (201Tl) in the range of diagnostic dose did not show a smooth uptake curve and appeared to have an unsuspected deviation in initial phase. In the present study this unexpected phenomenon was explored, using commonly used radionuclides (viz., 201Tl and 131I). Comparison was made with technetium-99m pertechnetate (99mTcO4(-)) and technetium-99m lab...

Journal: :Medical principles and practice : international journal of the Kuwait University, Health Science Centre 2009
Fatma J Al-Saeedi Sati Gopinath

OBJECTIVE The objective of this study was to investigate the intracellular localization of technetium 99m-hexamethylpropylene amine oxime ((99m)Tc-d,l-HMPAO) in rat red blood cells (RBCs) and plasma. MATERIALS AND METHODS Sprague-Dawley rats (n = 36) were injected with 129.5 MBq (99m)Tc-d,l-HMPAO. Using a heparinized syringe, 2-ml blood samples were withdrawn from the rats 10, 20, 30, 40, 50 ...

Journal: :iranian journal of radiation research 0
s.a. memon nuclear institute of medicine and radiotherapy (nimra) jamshoro, pakistan n.a. laghari nuclear institute of medicine and radiotherapy (nimra) jamshoro, pakistan s.t. qureshi university of sindh, jamshoro, pakistan f. mehdi nuclear institute of medicine and radiotherapy (nimra) jamshoro, pakistan

background: technetium-99m radioisotope is the backbone of any nuclear medicine institute. this radioisotope is acquired by the elution of molybdenum-99/technetium-99m generator which emits 141 kev gamma ray and having 6.04 hour half-life. occasionally the contents of molybdenum-99 may mix up with elute, which may affect image quality and patients may receive higher doses than recommended. this...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید