Comparative imaging features (CT and MR) for brain metatasis and multiple gliomas.
| Multiple glioma | Metastasis | |
|---|---|---|
| Location | Mostly supratentorial spread by hemispheric pathways | Infra- and supratentorial cortex/white matter junction |
| Size and shape | Often different | Often comparable |
| Peritumoral edema | Mild or weak | Important |
| Hemorrhage | Unusual | Frequent |
| Enhancement | Strong (++, heterogenerous) | Strong (++, ring shaped) |
| Margins (after injection) | Often indistinct | Variable |