Niovi Karavida

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There are studies supporting the suggestion that a severe psychological stress in the elderly can be the risk factor of Alzheimer's dementia (AB) and other types of dementia. We have reviewed the findings of single photon emission tomography, positron emission tomography, magnetic resonance imaging and functional magnetic resonance imaging (fMRI), related(More)
In recent years, the volume of diagnostic procedures involving the use of ionizing radiation has rapidly increased. Technological advances in computed tomography (CT) equipment, with the availability of multi-slice acquisition and the introduction of hybrid systems, have made this modality extremely popular among other diagnostic procedures, especially in(More)
Facticious accumulation of the radiopharmaceutical in the urinary draining system as shown by routine renal tests, like technetium- 99m-diethylenetriamine pentacetic acid, technetium-99m-mercaptylacetyltriglycine or technetium-99m-glucoheptonate renograms can be re-evaluated by administering a diuretic, like furosemide (FS) and obtaining post FS dynamic and(More)
There are pathological entities of the gastrointestinal tract whose investigation and follow-up remain quite challenging for pediatric surgeons. Although there are many new diagnostic techniques, radionuclide applications still remain important. Nuclear medicine plays a crucial role in diagnosis of biliary atresia and contributes to its differential(More)
To the Editor: After reading your editorial published in the 2nd issue of the Hell J Nucl Med, 2007; 10 (2): 74-78, we would like to express the unanimous opinion of the Greek doctors specializing in Nuclear Medicine, according to which, we consider that for the use and responsibility of the PET/CT dual scanner, the nuclear medicine physician should be the(More)
An inflamed painful joint is one of the most common indications for the patient to be referred to a rheumatologist or an orthopedician. In relation to the aetiology, the therapeutic approach might be systemic, local or a combination of them in some cases, always with the thought of balancing risk with benefit for the patient. In all cases, independently of(More)
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