![dwi1](https://neurovascularcases.com/wp-content/uploads/2017/09/DWI1.png)
DWI sequences show large regions of restricted diffusion in the bilateral posterior temporo-parietal lobes and also in the left frontal lobe, consistent with ischemic strokes
![dwi2](https://neurovascularcases.com/wp-content/uploads/2017/09/DWI2.png)
![t2flai](https://neurovascularcases.com/wp-content/uploads/2017/09/T2Flai.png)
T2 FLAIR sequences show edema in these same territories.
Note the diffuse vascular “beading,” or segmental stenosis and dilation of vessels that effects the entire intracranial circulation.