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FerumoxtranInfoSheet: - Contrast Agents - 
Intro, Overview, 
Characteristics, 
Types of, 
etc.
 
Short name: Ami 227, generic name: Ferumoxtran, (USPIO)
Ferumoxtran is a substance of the class of ultrasmall superparamagnetic iron oxide used as a lymph node specific contrast agent for MRI.
See also Combidex®, Sinerem® and Ultrasmall Superparamagnetic Iron Oxide.
Partner(s): Cytogen Corporation, National Cancer Institute. An approvable letter was received from the U.S. Food and Drug Administration for Combidex in June 2000. Advanced Magnetics, Inc. has submitted a complete response to the approvable letter received from the U.S. Food and Drug Administration, which was accepted by the FDA and assigned a user fee goal date of March 30, 2005. In Europe, a Dossier (the European equivalent of a NDA) was submitted by Advanced Magnetics' European partner, Guerbet SA, to the European Medicines Evaluations Agency in December 1999. (Sinerem® is the brand name for this USPIO in Europe manufactured by Guerbet, Combidex® by Advanced Magnetics for the U.S. market)
Advanced Magnetics, Inc. changed its name in July 2007 to AMAG Pharmaceuticals Inc.
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Further Reading:
  Basics:
Superparamagnetic Iron Oxide–enhanced MR Imaging of Head and Neck Lymph Nodes1
Comparison of Two Superparamagnetic Viral-Sized Iron Oxide Particles Ferumoxides and Ferumoxtran-10 with a Gadolinium Chelate in Imaging Intracranial Tumors
2002   by www.ajnr.org    
  News & More:
Optimized Labelling of Human Monocytes with Iron Oxide MR Contrast Agents
Sunday, 30 November 2003   by rsna2003.rsna.org    
SPL Medical starts clinical trial with contrast agent ferrotran
Tuesday, 11 February 2020   by www.radboudumc.nl    
SPL Medical receives approval for Clinical Trial with contrast agent Ferrotran® in 10 top radiology centers.
Friday, 15 March 2019   by ferrotran.com    
Ultrasmall Superparamagnetic Particles of Iron Oxide-enhanced in vivo MRI of human atherosclerotic plaques.(.pdf)
MRI Resources 
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Matrix Size
 
The number of data points collected in one, two or all three directions. Normally used for the 2D in plane sampling. The display matrix may be different from the acquisition matrix, although the latter determines the resolution. Measurement time may be saved by not acquiring raw data lines corresponding to high resolution. Not measured rows are filled with zeroes prior to the image calculation. A square image is the result of an interpolation in phase encoding direction. See also Zero Filling.
mri safety guidance
Image Guidance
The chosen matrix size effects scan time, resolution and SNR. Reduced measurement matrixes decrease the scan time and the resolution by increased SNR.
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Relaxometry
 
Relaxation time is a general physics concept for the characteristic time in which a system relaxes under certain changes in external conditions. Relaxometry is the theory of relaxation times (spin lattice (T1) and spin spin relaxation (T2)), and their dependence on physical parameters such as magnetic field strength, molecular structure, temperature, pH, and the presence and type of relaxation agents.
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Further Reading:
  Basics:
Measurements of the relaxivity of gadolinium chelates in tissues in vivo(.pdf)
2001   by cds.ismrm.org    
  News & More:
Imagion (ASX:IBX) share price up 1,166% in a year pursuing adiation-freeâ„¢ cancer tech
Monday, 29 March 2021   by www.fool.com.au    
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Trace Image
 
In trace images, the contrast is generated by the direction of the diffusion tensor. This parametric images contains the average of the three eigenvalues (independent of the frame of reference).
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Transformer
 
Electrical device operating on the principle of mutual induction to change the magnitude of current and voltage.
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