نتایج جستجو برای: trodat
تعداد نتایج: 171 فیلتر نتایج به سال:
1.1 Technique of nigrostriatal FP-CIT SPECT The density of the presynaptic dopamine reuptake transporters (DAT) can be quantified with [123I]FP-CIT SPECT. The tracer Fluorpropyl-Carbomethoxy-Iodophenyl-Tropan (FPCIT), marked by radioactive 123iodine [123I] (therefore the name [123I]FP-CIT), binds reversibly to the DAT on the presynaptic membrane. Before application of FP-CIT, the iodine uptake ...
Presence of parkinsonian features after carbon monoxide (CO) intoxication is well known and the severity was found to relate to the pre-synaptic dopaminergic deficits. There is no systemic study to analyse the functional network involved in CO-related Parkinsonism. Forty-five CO-related parkinsonism patients and 25 aged-matched controls completed the 3D T1-weighted imaging and (18)F-fluoro-2-de...
در سال 2009، جی و همکارانش، به گزارش موردی یک بیمار در کشور خود یعنی تایوان پرداختند. بیمار، مردی 26 ساله با 3 سال سابقه‌ی استنشاق هرویین، بیماری اسفنجی شدن ماده‌ی سفید مغز مبتلا شده بود. تصویر‌برداری مغناطیسی مغز به شیوه‌ی T2-Weighted MRI برای این بیمار، نشان‌دهنده‌ی وجود سیگنال‌های بالا در ناحیه‌ی ماده‌ی سفید کورتیکال مغز بود که بخش‌های وسیعی شامل لب‌های فرونتال و پریتال دو طرف مغز، بخش‌های خ...
OBJECTIVE With respect to the equivocal value of the reverse perfusion pattern (RPP) in technetium-99m (Tc)-sestamibi myocardial perfusion imaging, a study was carried out to evaluate this pattern in association with the presence or absence of coronary artery disease (CAD) and other underlying factors, mainly the time of acquisition and the presence of intense visceral uptake. PATIENTS AND ME...
This study evaluates the effects of an acute treatment with a Centella asiatica (CA) extract on the biodistribution of the radiopharmaceutical NaTcO4 and on the fixation of technetium-99m on blood constituents. Wistar rats were treated with CA extract and, 1 hour after, NaTcO4 was administered; organs/tissues were withdrawn and weighted. The radioactivity was counted to calculate the percentage...
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