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. 2020 Sep 9;2(2):fcaa143. doi: 10.1093/braincomms/fcaa143

Figure 4.

Figure 4

Multiplanar views of extravasation of contrast into subarachnoid space (ECSAS), representing a breach of the blood-subarachnoid barrier. (A) A subject’s delayed post-contrast FLAIR shows ECSAS in the falx, with sagittal, axial and coronal views (left to right) clearly demonstrating the three-dimensional extravasation of contrast. (B) ECSAS can also occur along the bilateral convexities and cerebellum, as seen in another subject’s delayed post-contrast FLAIR. The white arrowheads and ellipses indicate areas of ECSAS.