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Gesendet: Mittwoch, 8. März 2023 16:17
An: 'Zollei, Lilla,Ph.D.' <lzol...@mgh.harvard.edu>;
freesurfer@nmr.mgh.harvard.edu
Betreff: AW: [Freesurfer] infant Freesurfer - subcortical/white matter
segmentation
Hi Lilla,
I got infant_recon_all to run through, but the segmentation did not produce
the subcortical results I was hoping for. Looking stepwise at results it seemed
as if the registration process “bloated” the central structures = basal
ganglia, internal capsules (email and your answer below).
I’d be happy if you have any suggestions looking at the label fusion step.
Best regards, Inga
Von: Zollei, Lilla,Ph.D. <lzol...@mgh.harvard.edu>
Gesendet: Montag, 6. März 2023 17:18
An: freesurfer@nmr.mgh.harvard.edu
Cc: Harting, Inga <inga.hart...@med.uni-heidelberg.de>
Betreff: Re: [Freesurfer] infant Freesurfer - subcortical/white matter
segmentation
Hi Inga,
Sorry, I missed this message on the mailing list.
This is a new issue to me, so I will take a look at the label fusion step.
And yes, we are working on including T2w images in the pipeline as at the
newborn stage it would help with the GM/WM segmentation accuracy.
Best, Lilla
From: freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Inga Harting
<inga.hart...@gmx.de>
Sent: Monday, October 31, 2022 3:11 PM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Cc: Inga_klinik <inga.hart...@med.uni-heidelberg.de>
Subject: [Freesurfer] infant Freesurfer - subcortical/white matter segmentation
External Email - Use Caution
Hello experts,
I've begun using infantFS for neonates and I'am interested in the
subcortical segmentation.
I noticed that the internal capsule is delineated in the
manseg-tsubj2subj.NIFTYREG volumes (irrespective of the template's
having gmwm or not), but that ist lost after mri_label_fusion when the
thalamus has suddenly increased, swallowing PLIC and corona radiata, the
basal ganglia have also expanded and the corpus of the caudate nucleus
is large and pushed upwards.
Is there a way to preserve the subcortical anatomy?
Would labelling e.g. capsula interna help? Is there a way to include 2D
T2axial to help with gmwm contrast?
Best regards, Inga.
--
Dr.med. Inga Harting
Dpt. Neuroradiology
Heidelberg University Medical Center
INF 400
69120 Heidelberg
inga.hart...@med.uni-heidelberg.de
Mühltalstr. 124b
69121 Heidelberg
inga.hart...@gmx.de
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