Hi,
contrast-enhanced EPI perfusion is usually recorded using gradient echo
EPI, so best would be to use spin-echo counterparts for topup.
Cheers,
Andreas
Am 25.09.13 11:18 schrieb "Jesper Andersson" unter
<[log in to unmask]>:
>Dear Maxim,
>
>I am afraid I don't know a whole lot about perfusion imaging. In general,
>if you can acquire two EPI images, preferably spin-echo, with opposing
>phase blips you can use those to calculate a fieldmap. That fieldmap can
>then be used as you would with any fieldmap.
>
>So, off the top of my head I cannot see any problems.
>
>Jesper
>
>On 25 Sep 2013, at 08:13, Maxim Bester <[log in to unmask]> wrote:
>
>> Dear FSL group,
>>
>> do you think topup correction for susceptibility artifacts might be
>>appropriate in T2* DSC perfusion imaging when acquiring one epi image
>>before contrast administration with reversed phase enconding?
>>
>> Maxim Bester
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