Search results for “gadolinium”
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pregadolinium, postgadolinium, gadolinium-enhancing, gadolinium-containing, gadolinium-enhanced, or gadolinium-based?
364 results found
Article
Gadolinium
Gadolinium (chemical symbol Gd) is a metallic element that can be chelated into paramagnetic complexes for use as gadolinium contrast media.
Chemistry
Basic chemistry
Gadolinium is a silvery rare earth metal, and a member of the lanthanides, with the atomic number 64 and an atomic weight of 1...
Article
Gadolinium contrast agents
Gadolinium-based contrast media (GBCM), gadolinium-based contrast agents (GBCAs), or simply gadolinium contrast agents, are molecular complexes containing the rare earth metal gadolinium, chelated to a carrier ligand. They are a type of paramagnetic contrast agent, which are the primary class of...
Article
Late gadolinium enhancement
Late gadolinium enhancement is a technique used in cardiac MRI for cardiac tissue characterisation, in particular, the assessment of myocardial scar formation and regional myocardial fibrosis 1-5.
Terminology
Late gadolinium enhancement is also known under the terms ‘late enhancement’ or ‘dela...
Article
dGEMRIC (delayed gadolinium-enhanced MRI of cartilage)
dGEMRIC, or delayed gadolinium-enhanced MRI of cartilage is a technique that can be used quantitatively to assess glycosaminoglycan content of cartilage or qualitatively to asses the overall structures of cartilage. The dGEMRIC protocol consists of a T1-mapping sequence. When the technique is ad...
Article
Intrathecal gadolinium-based contrast agents (off-label)
Intrathecal use of gadolinium-based contrast agents (GBCAs), for example, in MR cisternography or MR myelography, is not approved by regulatory agencies such as the FDA, and as such, its use is considered off-label.
Nonetheless, its use is relatively widespread, although infrequent, and numerou...
Case
Retained gadolinium in the brain
Published
28 Oct 2015
71% complete
MRI
Case
Gadolinium retention in the brain
Published
11 Aug 2015
64% complete
MRI
Case
MRI myelogram with gadolinium
Published
13 Jun 2016
63% complete
MRI
Case
Gadolinium storage condition: longitudinal series MRI
Published
10 Nov 2016
65% complete
MRI
Case
Normal liver MRI with gadolinium
Published
12 Mar 2018
53% complete
MRI
Case
Gadolinium storage condition: T1 enhancement in globus pallidus
Published
10 Nov 2016
62% complete
MRI
Article
Nephrogenic systemic fibrosis
Nephrogenic systemic fibrosis (NSF), also known as nephrogenic fibrosing dermopathy, occurs almost exclusively in patients with renal impairment and is associated with the administration of gadolinium-based contrast agents (GBCAs) used in MRI.
The American College of Radiology (ACR) has divide...
Case
Gadolinium
Published
05 Feb 2021
32% complete
Photo
Article
Contrast-enhanced MR angiography
Contrast-enhanced MR angiography (MRA) is a technique involving 3D spoiled gradient-echo (GE) sequences, with the administration of gadolinium-based contrast agents (GBCA). It can be used to assess vascular structures of almost any part of the body. Its key features are:
T1 weighted spoiled gra...
Case
Late gadolinium enhancement patterns (diagram)
Published
21 Jan 2023
38% complete
Diagram
Article
Gadopiclenol
Gadopiclenol (also known by its brand names Elucirem or Vueway) is a new (late 2022) extracellular intravenous gadolinium-based contrast agent (GBCA) used in magnetic resonance imaging.
macrocyclic, non-ionic molecule
100% renally excreted
T1 relaxivity: 12.8 mM·s at 1.5 T and 11.6 mM·s at 3 ...
Article
Gadobutrol
Gadobutrol (also known as Gadovist/Gadavist) is an extracellular intravenous contrast agent used in magnetic resonance imaging.
cyclic, non-ionic molecule
100% renally excreted
T1 relaxivity at 1.5 T: 4.9-5.5 (slightly higher than other extracellular contrast agents)
concentration: 1.0 mmol...
Article
Gadofosveset trisodium
Gadofosveset trisodium (also known as Ablavar or Vasovist) is an intravenous blood pool contrast agent used in magnetic resonance imaging. The manufacturer discontinued production in 2017 due to poor sales.
It was designed as an agent for contrast-enhanced MR angiography since it exhibits stron...
Question
Question 2053
Which of the following is an example of an ischaemic pattern of late gadolinium enhancement?
Article
Gadopentetate dimeglumine
Gadopentetate dimeglumine (also known as Magnevist) is an extracellular intravenous contrast agent used in magnetic resonance imaging.
linear, ionic molecule
100% renally excreted
T1 relaxivity @ 1.5 T: 3.9-4.3
concentration: 0.5 mmol/mL
recommended dosage: 0.1 mmol/kg
Indications
As an ...
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