نتایج جستجو برای: radionuclide groups
تعداد نتایج: 769910 فیلتر نتایج به سال:
this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...
rested on sociocultural theory (sct), this study attempted to examine the effect of written corrective feedback (wcf) followed by producing written languaging on developing writing accuracy over new tasks. to this aim, two intact iranian efl classes at the low-intermediate level were randomly assigned to two experimental groups: direct (n = 25) and indirect (n = 25). both groups wrote on a numb...
Vladimir Zaichick* Author Affiliations Radionuclide Diagnostics Department, Medical Radiological Research Centre, Russia Received: February 11, 2022 | Published: 18, Corresponding author: Zaichick, Obninsk, DOI: 10.26717/BJSTR.2022.42.006687
The technique for lymphatic system evaluation by imaging with technetium-99m "minicolloid" is presented. Results from studies which compared the smaller particle radiocolloid with the commercially available radiopharmaceutical of the larger colloid particle size demonstrated the former to be a far superior agent for imaging the lymphatic system. This appears to be due to its more favorable migr...
Gallium-68 a positron emitter radionuclide, with great impact on the nuclear medicine, has been widely used in positron emission tomography (PET) diagnosis of various malignancies in humans during more recent years especially in neuroendocrine tumors (NETs). The vast number of 68Ge/68Ga related generator productions, targeting molecule design (proteins, antibody fragments,...
The relation between perfusion defects shown by radionuclide angiography and static brain scan positivity was evaluated in patients with ischaemic completed stroke at various intervals from the onset of symptoms. An inverse relation between radionuclide angiography and static scan positivity was found for the period within 15 days of the onset of symptoms. The possible relation between changes ...
Although our understanding of microorganisms has advanced significantly and antimicrobial therapy has become increasingly available, infection remains a major cause of patient morbidity and mortality. The role of radionuclide imaging in the evaluation of the patient suspected of harboring an infection varies with the situation. For example, in the postoperative patient, radionuclide imaging is ...
We determined the sequence and timing of inward ventricular wall motion by least-square phase analysis of radionuclide cineangiograms in 10 patients with left bundle branch block (LBBB), five patients with right bundle branch block (RBBB) and 11 patients with normal conduction. All LBBB and RBBB patients had normal coronary arteries and no segmental wall motion abnormalities. The left ventricle...
Disorders of the upper digestive tract have a high impact on modern society, in terms of both direct and indirect health care costs and of social burden. The most common presenting symptom is either dysphagia or dyspepsia. Discriminating specific diagnoses within this wide group of diseases requires sound clinical judgment and application of procedures to distinguish organic from nonorganic dis...
radionuclide shuntography is a safe and simple method to determine shunt patency and analyze changes in csf (cerebro-spinal-fluid) flow. we present a case of complicated csf shunt, in which radioisotopic scan correctly identified disconnection of the shunt tubing system localizing the site of extravasation accurately. the findings were confirmed by surgery performed for correction of the shunt ...
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