PSMD may be a promising new test for CAA

A rather technical-sounding measure called “Peak Width of Skeletonized Mean Diffusivity” (PSMD) has been proposed as a measure of brain injury. According to an article in published in “Frontiers in Neuroscience,” this measure – a variant on conventional MRI – may be able to distinguish between injury caused by cerebral amyloid angiopathy (CAA) or arteriosclerosis.

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