TABLE 1:

MR imaging results in cats as a function of time after embolization

Imaging*HyperintensityIsointensityHypointensity
1 h (n = 50)
 T1WI03911
 T2WI27230
 DWI3120
 ADC0150
1 d (n = 43)
 T1WI03310
 T2WI12310
 DWI0150
 ADC1140
4 d (n = 36)
 T1WI0342
 T2WI1350
 DWI0150
 ADC0150
1 wk, (n = 29)
 T1WI0290
 T2WI0290
 DWI0150
 ADC0150
2 wk (n = 14)
 T1WI0140
 T2WI0150
3 wk (n = 7)
 T1WI070
 T2WI070
  • 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).