نتایج جستجو برای: pet radiopharmaceuticals
تعداد نتایج: 56262 فیلتر نتایج به سال:
Advances in technology have allowed extremely precise control of radiation dose delivery and localization within a patient. The ability to confidently delineate target tumor boundaries, however, has lagged behind. (18)F-FDG PET/CT, with its ability to distinguish metabolically active disease from normal tissue, may provide a partial solution to this problem. Here we review the current applicati...
ABSTRACT The presence of neurofibrillary tangles in the brain is a hallmark feature of several neurodegenerative diseases termed "tauopathies," including Alzheimer's disease (AD) and the tau molecular subgroup of frontotemporal lobar degeneration (FTLD-tau). Recently, several positron emission tomography (PET) radiopharmaceuticals targeting abnormal conformations of the tau protein have been de...
Immunotherapy is an effective therapeutic option for several cancers. In the last years, introduction of checkpoint inhibitors (ICIs) has shifted landscape in oncology and improved patient prognosis a variety neoplastic diseases. However, to date, selection best patients eligible these therapies, as well response assessment still challenging. Patients are mainly stratified using immunohistochem...
Derivatives of 3,4-hydroxypyridinones have been extensively studied for in vivo Fe3+ sequestration. Deferiprone, a 1,2-dimethyl-3,4-hydroxypyridinone, is now routinely used for clinical treatment of iron overload disease. Hexadentate tris(3,4-hydroxypyridinone) ligands (THP) complex Fe3+ at very low iron concentrations, and their high affinities for oxophilic trivalent metal ions have led to th...
Recent advances in molecular characterization of tumors have allowed identification of new molecular targets on tumor cells or biomarkers. In medical practice, the identification of these biomarkers slowly but surely becomes a prerequisite before any treatment decision, leading to the concept of personalized medicine. Immuno-positron emission tomography (PET) fits perfectly with this approach. ...
Incorporating positron emission tomography (PET) imaging or PET/computed tomographic (PET/CT) imaging into a clinical cardiology practice provides opportunities to better assess patients as well as to expand the services offered by the practice. Clinical evidence continues to accrue, demonstrating the superior quality, the breadth of assessments possible, the diagnostic certainty and accuracy, ...
Several diagnostic imaging methodologies are available for the clinical evaluation of sarcoidosis, but all have their limitations. FDG PET/CT is frequently used, but this technique does not provide optimal results in all cases. Novel radiopharmaceuticals aimed at other disease targets may be helpful, particularly in cardiac sarcoidosis when FDG PET/CT has a low diagnostic accuracy, due to diffi...
Over the past few years, nuclear medicine has undergone impressive growth with the development of positron emission tomography (PET), especially using 18Ffluoro-deoxy-glucose (18FDG), and new approaches in targeted radionuclide therapy. These developments pave the way for personalized medicine by offering practical solutions, especially in oncology, neurology, and cardiology. Novel radiopharmac...
Background & Aim: PET is a very useful and suitable imaging method in nuclear medicine. This method uses positrons with a special energy for imaging. The elements of the lanthanide are suitable for the decay of positrons with a specific energy for use in PET. Praseodymium-139 with a half-life of 4.5 hours is one of the useful elements in the group of lanthanides that can be used in PET. In this...
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