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Hello Freesurfer, We know that the freesurfer7 has given a new module to separate hippocampal subfields in MRI image, but we encoumter problems in registering the PET image with MRI image. We find that the resolution radio of PET image is not enough, it made the SUVr of hippocampal subfield we get is not accurate. So we want to use the PVC function of PETSurfer. Whether the PETsurfer output the result of PET image after PVC ? so that we can use it directly to registering with MRI image. If it doesn't output the result, can we save it in some ways? Thank you for your guidance.
It is not set up to use the subfields. In principle it could be, but I don't think it would be very accurate because the subfields are so small.
On 11/17/2020 4:27 AM, 蒋袁芳 wrote:
External Email - Use Caution
Hello Freesurfer, We know that the freesurfer7 has given a new module to separate hippocampal subfields in MRI image, but we encoumter problems in registering the PET image with MRI image. We find that the resolution radio of PET image is not enough, it made the SUVr of hippocampal subfield we get is not accurate. So we want to use the PVC function of PETSurfer. Whether the PETsurfer output the result of PET image after PVC ? so that we can use it directly to registering with MRI image. If it doesn't output the result, can we save it in some ways? Thank you for your guidance.
_______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edumailto:Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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Thanks for the reply, and we are still curious about the files that the Petsurfer out put. We want to know not only how to use the image after PVC, but also where to find the 3D image in the folder? On 11/30/2020 01:14，Greve, Douglas N.,Ph.D.DGREVE@mgh.harvard.edu wrote： It is not set up to use the subfields. In principle it could be, but I don't think it would be very accurate because the subfields are so small.
On 11/17/2020 4:27 AM, 蒋袁芳 wrote:
External Email - Use Caution
Hello Freesurfer, We know that the freesurfer7 has given a new module to separate hippocampal subfields in MRI image, but we encoumter problems in registering the PET image with MRI image. We find that the resolution radio of PET image is not enough, it made the SUVr of hippocampal subfield we get is not accurate. So we want to use the PVC function of PETSurfer. Whether the PETsurfer output the result of PET image after PVC ? so that we can use it directly to registering with MRI image. If it doesn't output the result, can we save it in some ways? Thank you for your guidance.
_______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
This is explained in the PETsurfer documentation. Can you be more specified about what that documentation does not cover?
On 12/9/2020 1:45 AM, 蒋袁芳 wrote:
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Thanks for the reply, and we are still curious about the files that the Petsurfer out put. We want to know not only how to use the image after PVC, but also where to find the 3D image in the folder? On 11/30/2020 01:14，Greve, Douglas N.,Ph.D.DGREVE@mgh.harvard.edumailto:DGREVE@mgh.harvard.edu wrote： It is not set up to use the subfields. In principle it could be, but I don't think it would be very accurate because the subfields are so small.
On 11/17/2020 4:27 AM, 蒋袁芳 wrote:
External Email - Use Caution
Hello Freesurfer, We know that the freesurfer7 has given a new module to separate hippocampal subfields in MRI image, but we encoumter problems in registering the PET image with MRI image. We find that the resolution radio of PET image is not enough, it made the SUVr of hippocampal subfield we get is not accurate. So we want to use the PVC function of PETSurfer. Whether the PETsurfer output the result of PET image after PVC ? so that we can use it directly to registering with MRI image. If it doesn't output the result, can we save it in some ways? Thank you for your guidance.
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freesurfer@nmr.mgh.harvard.edu
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Greve, Douglas N.,Ph.D. -
蒋袁芳