2nd year Neurology resident from the USA here. Rarely post comments but I have to say huge thanks for taking the time to make these videos, they are tremendously helpful! excellent teaching and quality, always clear and concise. Thanks man!
no, true diffusion restriction is black on the ADC-map, might be some T2-shine through or ADC-pseudonormalisation in case of a subacute ischemic infarction.
Basically any situation in which there is facilitated diffusion (high on ADC) in a T2 hyperintense lesion, like (often but not always) in vasogenic edema for instance
