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Perfusion MRI or perfusion-weighted imaging (PWI) is perfusion scanning by the use of a particular MRI sequence [which? The acquired data are then post-processed to obtain perfusion maps with different parameters, such as BV (blood volume), BF (blood flow), MTT (mean transit time) and TTP (time to peak).
Apr 2, 2020 · Perfusion weighted imaging is a term used to denote a variety of MRI techniques able to give insights into the perfusion of tissues by blood. There are three techniques in wide use to derive one or more perfusion values: techniques dynamic susceptibility contrast (DSC) MR perfusion; dynamic contrast enhanced (DCE) MR perfusion
Sep 12, 2014 · Magnetic resonance techniques have been powerful in visualizing tissue perfusion in the brain and other parts of body. Perfusion normally refers to the delivery of blood at the level of the capillaries, and measures in units of milliliters per 100 gram per minute.
- Geon-Ho Jahng, Ka-Loh Li, Leif Ostergaard, Fernando Calamante
- 10.3348/kjr.2014.15.5.554
- 2014
- Sep-Oct 2014
Perfusion DCE-MRI technique and pharmacokinetic analysis are more complex than perfusion DSC-MRI, and this is likely a major reason perfusion DCE-MRI has not gained wider popularity. Semiquantitative DCE techniques not based on pharmacokinetic models exist, including evaluation of signal intensity–time curves (so-called curveology).
- Marco Essig, Thanh Binh Nguyen, Mark S. Shiroishi, Marc Saake, James M. Provenzale, James M. Provenz...
- 10.2214/AJR.12.9544
- 2013
- 2013/09
Perfusion MRI is a promising tool in assessing stroke, brain tumors, and patients with neurodegenerative diseases. Most of the impediments that have limited the use of perfusion MRI can be overcome to allow integration of these methods into modern neuroimaging protocols. Keywords: CNS imaging, contrast agents, gadobutrol, perfusion MRI.
Perfusion MRI is sensitive to microvasculature and has been applied in a wide variety of clinical applications, including the classification of tumors, identification … Perfusion is a fundamental biological function that refers to the delivery of oxygen and nutrients to tissue by means of blood flow.
