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Different patterns of hyperattenuation on virtual non contrast (VNC) images and iodine overlay map (IOM).
| Diagnostic | VNC images | IOM |
|---|---|---|
| Brain hemorrhage | + | – |
| Blood brain barrier rupture | – | + |
| Brain hemorrhage and blood brain barrier rupture | + | + |
Note: + = hyperattenuation present; – = hyperattenuation absent.
