MR imaging results in cats as a function of time after embolization
| Imaging* | Hyperintensity | Isointensity | Hypointensity |
|---|---|---|---|
| 1 h (n = 50) | |||
| T1WI | 0 | 39 | 11 |
| T2WI | 27 | 23 | 0 |
| DWI | 3 | 12 | 0 |
| ADC | 0 | 15 | 0 |
| 1 d (n = 43) | |||
| T1WI | 0 | 33 | 10 |
| T2WI | 12 | 31 | 0 |
| DWI | 0 | 15 | 0 |
| ADC | 1 | 14 | 0 |
| 4 d (n = 36) | |||
| T1WI | 0 | 34 | 2 |
| T2WI | 1 | 35 | 0 |
| DWI | 0 | 15 | 0 |
| ADC | 0 | 15 | 0 |
| 1 wk, (n = 29) | |||
| T1WI | 0 | 29 | 0 |
| T2WI | 0 | 29 | 0 |
| DWI | 0 | 15 | 0 |
| ADC | 0 | 15 | 0 |
| 2 wk (n = 14) | |||
| T1WI | 0 | 14 | 0 |
| T2WI | 0 | 15 | 0 |
| 3 wk (n = 7) | |||
| T1WI | 0 | 7 | 0 |
| T2WI | 0 | 7 | 0 |
Note.—Enhancement on Gd-enhanced T1WIs was as follows: at 1 hour, n = 44; at 1 day, n = 12; at 4 days, n = 1; and at 1, 2, and 3 weeks, n = 0.
* DWI and ADC in group 4 cats (n = 15).