Table 3: Morphological characteristic groups with stroke.

GroupsStructure of infiltrate Macrophages in vessel wallCondition of the vesselsExtravasate

1Macrophages with light granules onlyNoSmall number of vessels in infiltrate and penumbraSmall in infiltrate only

2Macrophages with green granules predominantlyMacrophages with green granules onlyLarge number of vessels in infiltrate and penumbra; hypertrophied vessels outside the zone of injuryNo

3Macrophages with light and green granulesMacrophages with light and green granulesLarge number of vessels in infiltrate and penumbra; blood stagnation in the capillary boundary zoneExtensive in infiltrate and penumbra

4Macrophages with light and green granulesMacrophages with light and green granulesLarge number of vessels in infiltrate and penumbraSmall in penumbra only

5Macrophages with light granules predominantlyMacrophages with green granules onlyMaximal number of vessels in infiltrate and penumbraNo