Table 1
Early ischaemic changes on non-contrast CT
| MCA, middle cerebral artery. |
| • Hyperdense arteries (most commonly proximal MCA or MCA sylvian “dot”) |
| • Lentiform nucleus hypodensity |
| • Loss of “insular ribbon” (definition of grey from white matter) |
| • Loss of cortical grey-white matter differentiation |
| • Hemispheric sulcal effacement |
| • Local compression of lateral ventricles |
