Pseudo Continuous Arterial Spin Labeling
Description
The Arterial Spin Labeling (ASL) for MRI brain perfusion imaging is a technique that directly allows the quantification of the brain blood flow (in ml/100g/min) without the use of any contrast agent. The pseudo-continuous ASL (PCASL) is a widely used technique in the clinical and research setting. In this illustration, the basics for PCASL are depicted. A band located in the neck will magnetically tag the blood that goes trough the carotids to be able to image perfusion in the brain.
Acknowledgements
References
Alsop DC, Detre JA, Golay X, Günther M, Hendrikse J, Hernandez-Garcia L, Lu H, MacIntosh BJ, Parkes LM, Smits M, van Osch MJ, Wang DJ, Wong EC, Zaharchuk G. Recommended implementation of arterial spin-labeled perfusion MRI for clinical applications: A consensus of the ISMRM perfusion study group and the European consortium for ASL in dementia. Magn Reson Med. 2015 Jan;73(1):102-16. doi: 10.1002/mrm.25197
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