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Gadopiclenol, sold under the brand name Elucirem among others, is a contrast agent used with magnetic resonance imaging (MRI) to detect and visualize lesions with abnormal vascularity in the central nervous system and in the body. [2] [7] Gadopiclenol is a paramagnetic macrocyclic non-ionic complex of gadolinium. [2]
Continuing evidence of the retention of gadolinium in brain and other tissues following exposure to gadolinium containing contrast media, led to a safety review by the Committee for Medicinal Products for Human Use (CHMP) which led the EMA to restrict or suspend authorization for the intravenous use of most brands of linear gadolinium-based ...
The contrast-enhancing effect is a result of the neutral complex of gadolinium and dihydroxy-hydroxymethylpropyl- tetraazacyclododecane-triacetic acid (butrol), which works to decrease differences in longitudinal relaxation times (T1) and differences in spin-spin or transverse relaxation times (T2).
Gadodiamide is a contrast medium used for cranial and spinal magnetic resonance imaging (MRI) and for general MRI of the body after intravenous administration. It provides contrast enhancement and facilitates visualisation of abnormal structures or lesions in various parts of the body including the central nervous system (CNS).
It consists of the organic acid DOTA as a chelating agent, and gadolinium (Gd 3+), and is used in form of the meglumine salt (gadoterate meglumine). [ 4 ] [ 5 ] The paramagnetic property of gadoteric acid reduces the T1 relaxation time (and to some extent the T2 and T2* relaxation times) in MRI , which is the source of its clinical utility.
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Nanoparticles of gadolinium oxide is a potential contrast agent for magnetic resonance imaging (MRI). A dextran-coated preparation of 20–40 nm sized gadolinium oxide particles had a relaxivity of 4.8 s −1 mM −1 per gadolinium ion at 7.05 T (an unusually high field compared to the clinically used MRI scanners which mostly range from 0.5 to ...
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