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Susceptibility‐Weighted Imaging: A Major Addition to the Neuroimaging Toolbox

Susceptibility‐weighted imaging (SWI) is a relatively new MRI sequence relying on susceptibility differences between adjacent tissues to produce an image. It is extremely sensitive for detection of blood products (hemosiderin, ferritin), deoxygenated blood, calcium, iron, and small vein depiction. Little information is available in the literature to describe common findings seen using this imaging sequence. The potential of this new sequence can be reviewed in comprehensive article “Susceptibility‐Weighted Imaging of the Brain: Current Utility and Potential Applications” available online. SWI is an extremely useful adjunct to current MRI sequences of the brain and is advocated for inclusion into routine Neuroimaging protocols.