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  2. MRI contrast agent - Wikipedia

    en.wikipedia.org/wiki/MRI_contrast_agent

    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 ...

  3. Gadobutrol - Wikipedia

    en.wikipedia.org/wiki/Gadobutrol

    Gadobutrol is a medicinal product used in diagnostic magnetic resonance imaging (MRI) in adults and children. It provides contrast enhancement during cranial, spinal, breast, or other investigations. In the central nervous system, Gadobutrol works by highlighting any areas with disrupted blood brain barrier (BBB) and/or abnormal vascularity.

  4. Gadodiamide - Wikipedia

    en.wikipedia.org/wiki/Gadodiamide

    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).

  5. Lesional demyelinations of the central nervous system

    en.wikipedia.org/wiki/Lesional_demyelinations_of...

    BBB is a tight vascular barrier between the blood and brain that should prevent the passage of antibodies through it, but in MS patients it does not work. For unknown reasons special areas appear in the brain and spine, followed by leaks in the blood–brain barrier where immune cells infiltrate. This leads to the entrance of macrophages into ...

  6. Gadopiclenol - Wikipedia

    en.wikipedia.org/wiki/Gadopiclenol

    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]

  7. Tumefactive multiple sclerosis - Wikipedia

    en.wikipedia.org/wiki/Tumefactive_multiple_sclerosis

    When T1-weighted imaging is contrast-enhanced through the addition of gadolinium, the open ring enhancement can be viewed as a white ring around the lesion. [40] A more specific MRI, Fluid attenuation inversion recovery (FLAIR) MRI show the signal intensity of the brain.

  8. AOL Mail

    mail.aol.com/m

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Perfusion MRI - Wikipedia

    en.wikipedia.org/wiki/Perfusion_MRI

    The contrast agents used for DCE-MRI are often gadolinium based. Interaction with the gadolinium (Gd) contrast agent (commonly a gadolinium ion chelate) causes the relaxation time of water protons to decrease, and therefore images acquired after gadolinium injection display higher signal in T1-weighted images indicating the present of the agent.