Time
|
DWI
|
ADC
|
T2
|
CT
|
30 mins
|
First becomes visible -
bright
|
First starts to become
visible – dark – in animal stroke models ADC changes visible in < 5 mins
|
Invisible
|
invisible
|
6-8 hours
|
Clearly Bright
|
Clearly Dark
|
First starts to become
visible – bright (edema)
|
First start to become
visible - loss of grey-white, insular ribbon, etc
|
24 hours
|
Clearly Bright
|
Clearly Dark
|
Clearly bright
|
Clearly dark
|
1-4 days
|
Clearly Bright
|
Max darkness
|
Clearly bright
|
Clearly dark
|
7 days
|
Max brightness
|
Clearly dark
|
Clearly bright
|
Clearly dark
|
10-15 days
|
Signal starts to fade
|
Reverses from dark to
bright, sometimes becomes invisible
|
Clearly bright
|
Clearly dark
|
2-3 weeks
|
Signal fading/reversing
|
Becomes bright
|
Clearly bright
|
Clearly dark
|
>30 days
|
Dark
|
bright
|
Max brightness
|
Clearly dark
|
Tuesday, May 31, 2016
Aging of stroke
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