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Hi experts,
A follow-up question: how to verify if the results (gtm.stats.dat) generated by
mri_gtmpvc make sense?
Thanks,
Angel
From: freesurfer-boun...@nmr.mgh.harvard.edu
on behalf of WONG Wan Wa
Sent:
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Thanks Michael!
From: freesurfer-boun...@nmr.mgh.harvard.edu
on behalf of Rullmann, Michael
Sent: Tuesday, April 9, 2024 7:27 PM
To: Freesurfer support list
Subject: Re: [Freesurfer] PetSurfer: Can kinetic modeling
You can just google those values for each scanner.
For example:
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How to determine the PSF?
From: freesurfer-boun...@nmr.mgh.harvard.edu
on behalf of WONG Wan Wa
Sent: Friday, April 5, 2024 12:14 PM
To: Freesurfer support list
Subject: Re: [Freesurfer] PetSurfer: Can kinetic
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Any idea about the PSF?
From: freesurfer-boun...@nmr.mgh.harvard.edu
on behalf of WONG Wan Wa
Sent: Tuesday, April 2, 2024 12:36 PM
To: Freesurfer support list
Subject: Re: [Freesurfer] PetSurfer: Can kinetic
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Hi Douglas,
Here is the information given by the technician from the PET center:
There are a total of 3 machines used for PIB PET/CT or PET/MR scans
1. PET/CT1 ( mCT)(contain "mCT" in the pet series)
Manufacturer: Siemens
That 2mm for the gaussian is just the post-processing filter and does
not represent the full amount of partial volume effect. What kind of
scanner is it?
On 3/22/2024 12:42 AM, WONG Wan Wa wrote:
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Hi Douglas,
Thanks for your clarification. This is my
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Hi Douglas,
Thanks for your clarification. This is my first time to run PetSurfer. We did
want to normalize by cerebellar grey matter, and I will add the "--rescale 8
47". I just copied "6" from the example command. I know "6" should be the FWHM
of
Yes, though that will normalize by the pons. If you want to normalize by
something else, you will need to specify it with --rescale. Eg, if you
want to normalize by ceberbellar gray matter, add
--rescale 8 47
Where did you get "6" from for the psf?
On 3/20/2024 10:57 PM, WONG Wan Wa wrote:
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Hi Douglas,
Thanks for your reply. We used different tracers for diagnosis of AD or other
neurodegenerative diseases, including PIB, FDG, Flutemetamol and TAU. If an SUV
analysis is used, is it done by mri_gtmpvc? Is there any subsequent analysis
you cannot apply kinetic modeling to one frame. What is you ligand? For
a one frame acquisition, you usually use an SUV analysis.
On 3/20/2024 12:03 AM, WONG Wan Wa wrote:
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Hi experts,
As stated in the subject, can kinetic modeling be applied to PET data
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