Table 1 Relative signal intensities for different types of cerebral hemorrhage (adapted from Gomori et al [11])
Type of Hemorrhage | T1 w | T2 w | Histology |
|---|---|---|---|
Hyperacute | - | ↑ | Intracellular oxyhemoglobin |
Acute | ↓ or - | ↓ | Intracellular deoxyhemoglobin |
Early subacute | ↑ | ↓ | Intracellular methemoglobin |
Late subacute | ↑ | ↑ | Extracellular methemoglobin |
Chronic | ↓ | ↓ | Hemosiderin |