# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=41

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

**Page:** 42

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## [Mixing Dicoms into one](https://discourse.slicer.org/t/mixing-dicoms-into-one/42883)

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**Author:** [@JT\_GAUD](https://discourse.slicer.org/u/JT_GAUD)\
**Replies:** 0\
**Last updated:** [May 12, 2025, 9:22am UTC](https://discourse.slicer.org/t/mixing-dicoms-into-one/42883 "2025-05-12T09:22:50Z")

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Hello everyone, I’m currently trying to merge three DICOMS into a single one to achieve a better volume. For now, I only have the view controllers set up, allowing me to switch between each view as needed — but I don’t…

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## [Markups module windows scaling issue when using Slicermorph customizations](https://discourse.slicer.org/t/markups-module-windows-scaling-issue-when-using-slicermorph-customizations/42880)

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**Author:** [@Logan\_Moore](https://discourse.slicer.org/u/Logan_Moore)\
**Replies:** 10\
**Last updated:** [May 12, 2025, 2:50am UTC](https://discourse.slicer.org/t/markups-module-windows-scaling-issue-when-using-slicermorph-customizations/42880 "2025-05-12T02:50:01Z")

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Hi all, My lab recently got a 4K monitor, and we are having issues placing landmarks. I found that @muratmaga previously reported this as an issue on Github: Points placed incorrectly with the 'p' shortcut when display …

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## [Revisiting stereoscopic/anaglyph 3D slicer output](https://discourse.slicer.org/t/revisiting-stereoscopic-anaglyph-3d-slicer-output/42879)

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**Author:** [@Mark\_Ryan](https://discourse.slicer.org/u/Mark_Ryan)\
**Replies:** 0\
**Last updated:** [May 11, 2025, 8:09pm UTC](https://discourse.slicer.org/t/revisiting-stereoscopic-anaglyph-3d-slicer-output/42879 "2025-05-11T20:09:38Z")

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I know that 3D glasses are no longer widely used, but there are several newer glasses-free displays that have recently been released that would make good use of those extensions if there was a way to update them for newe…

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## [TotalSegmentator returned non-zero exit status 1](https://discourse.slicer.org/t/totalsegmentator-returned-non-zero-exit-status-1/42876)

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**Author:** [@imer\_T](https://discourse.slicer.org/u/imer_T)\
**Replies:** 0\
**Last updated:** [May 11, 2025, 1:44pm UTC](https://discourse.slicer.org/t/totalsegmentator-returned-non-zero-exit-status-1/42876 "2025-05-11T13:44:57Z")

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\[CRITICAL\]\[Stream\] 11.05.2025 15:02:37 (unknown:0) - subprocess.CalledProcessError: Command ‘\[‘E:/04-INSTALL\_2/Slicer 5.8.1/bin/../bin\\PythonSlicer.EXE’, ‘E:\\04-INSTALL\_2\\Slicer 5.8.1\\lib\\Python\\Scripts\\TotalSegmentator…

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## [Beginner question: what is ”same physical space”?](https://discourse.slicer.org/t/beginner-question-what-is-same-physical-space/42864)

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**Author:** [@Mikko\_Pyysalo](https://discourse.slicer.org/u/Mikko_Pyysalo)\
**Replies:** 3\
**Last updated:** [May 11, 2025, 12:24pm UTC](https://discourse.slicer.org/t/beginner-question-what-is-same-physical-space/42864 "2025-05-11T12:24:11Z")

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Dear community, I have two aligned sinus STL models. Converted them to binary labelmaps via segmentation nodes. I made sure they have same spacing and origo. Then I tried to compute the euclidian distance with Simiarity…

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## [SlicerIGT-U37\_NeuroNav](https://discourse.slicer.org/t/slicerigt-u37-neuronav/42856)

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**Author:** [@Ruida\_Cheng](https://discourse.slicer.org/u/Ruida_Cheng)\
**Replies:** 1\
**Last updated:** [May 10, 2025, 4:33pm UTC](https://discourse.slicer.org/t/slicerigt-u37-neuronav/42856 "2025-05-10T16:33:10Z")

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I’m following the NeuroNav.ppt tutorial to try out an optical tracking probe setup, but I’m missing some critical configuration details. Specifically: Camera Setup in 3D Slicer: There are no instructions in NeuroNav.p…

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## [Voxel-based radiomic feature extraction problem](https://discourse.slicer.org/t/voxel-based-radiomic-feature-extraction-problem/24328)

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**Author:** [@Rongjun\_Dong](https://discourse.slicer.org/u/Rongjun_Dong)\
**Replies:** 1\
**Last updated:** [May 10, 2025, 12:03pm UTC](https://discourse.slicer.org/t/voxel-based-radiomic-feature-extraction-problem/24328 "2025-05-10T12:03:16Z")

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Hi , I want to komw how to get a feature map that is the same size as the original? I am tring to extract voxel\_based feature, and I am confused about the size of feature map? I already tring to do zero paddings at the b…

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## ["Bricked- appearance" of Labelmap using Baffle Planner module](https://discourse.slicer.org/t/bricked-appearance-of-labelmap-using-baffle-planner-module/25429)

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**Author:** [@Dexter777](https://discourse.slicer.org/u/Dexter777)\
**Replies:** 7\
**Last updated:** [May 10, 2025, 4:08am UTC](https://discourse.slicer.org/t/bricked-appearance-of-labelmap-using-baffle-planner-module/25429 "2025-05-10T04:08:22Z")

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Hi, I’m using the Baffle Planner module to close out several areas of the pharyngoesophageal junction and the laryngo-tracheal transition area for a canine tracheotomy simulator. I do have the smoothing function checked…

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## [photogrametry problem on new version](https://discourse.slicer.org/t/photogrametry-problem-on-new-version/42851)

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**Author:** [@akaya](https://discourse.slicer.org/u/akaya)\
**Replies:** 2\
**Last updated:** [May 9, 2025, 3:22pm UTC](https://discourse.slicer.org/t/photogrametry-problem-on-new-version/42851 "2025-05-09T15:22:11Z")

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Hello everyone I hope everything is fine. I tried and used photogametry in the previous 3d slicer version, there was no problem, but I installed the new version (5.8.1), I open it, but it does not open when taking pictu…

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## [Uploading DICOMs to Slicer](https://discourse.slicer.org/t/uploading-dicoms-to-slicer/42850)

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**Author:** [@Paul2](https://discourse.slicer.org/u/Paul2)\
**Replies:** 0\
**Last updated:** [May 9, 2025, 1:37pm UTC](https://discourse.slicer.org/t/uploading-dicoms-to-slicer/42850 "2025-05-09T13:37:35Z")

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Hi everyone, I currently have the problem that whenever I want to upload DICOMs into Slicer, only the coronary plane is depicted correctly, the other two planes are distorted, has anyone an idea how to fix it or how to u…

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## [Use segmentations in CAD or FEM software](https://discourse.slicer.org/t/use-segmentations-in-cad-or-fem-software/1626)

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**Author:** [@gregorio](https://discourse.slicer.org/u/gregorio)\
**Replies:** 56\
**Last updated:** [May 8, 2025, 12:01pm UTC](https://discourse.slicer.org/t/use-segmentations-in-cad-or-fem-software/1626 "2025-05-08T12:01:51Z")

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Operating system: windows 8.1 Pro Slicer version: 4.3.1 Expected behavior: to have the possibility to transform surface models (mesh in stl format) to smooth geometry models (nurbs e.g. in IGES format) Actual behavior…

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## [Head CT MRI fusion/registration](https://discourse.slicer.org/t/head-ct-mri-fusion-registration/1333)

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**Author:** [@NaglisR](https://discourse.slicer.org/u/NaglisR)\
**Replies:** 26\
**Last updated:** [May 7, 2025, 5:06pm UTC](https://discourse.slicer.org/t/head-ct-mri-fusion-registration/1333 "2025-05-07T17:06:35Z")

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Hi everyone, I have only recently started using 3D Slicer and have a rather specific question: I am trying to fuse the images of the same person head MRI and CT scans. I have tried the general registration (BRAINS) modu…

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## [Human PET/CT Study for Brain Parcelation and Region-Specific PET Quantification](https://discourse.slicer.org/t/human-pet-ct-study-for-brain-parcelation-and-region-specific-pet-quantification/42291)

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**Author:** [@Rafael\_Pineda](https://discourse.slicer.org/u/Rafael_Pineda)\
**Replies:** 12\
**Last updated:** [May 7, 2025, 9:59am UTC](https://discourse.slicer.org/t/human-pet-ct-study-for-brain-parcelation-and-region-specific-pet-quantification/42291 "2025-05-07T09:59:08Z")

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We are reaching out from the Physiology Department at the University of Córdoba (Spain) to seek guidance or suggestions on processing head PET/CT studies using 3D Slicer. Attached below are some images showing the outpu…

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## [Skull Segmentation](https://discourse.slicer.org/t/skull-segmentation/42796)

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**Author:** [@palomar](https://discourse.slicer.org/u/palomar)\
**Replies:** 2\
**Last updated:** [May 7, 2025, 3:12am UTC](https://discourse.slicer.org/t/skull-segmentation/42796 "2025-05-07T03:12:48Z")

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Hi, I am currently working on a project that involves a whole body PET/CT scan of a healthy patient. The goal is to segment the skull, simulate a localized defect, and create a customized prosthetic patch that fits the …

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## [NNinteractive URL error](https://discourse.slicer.org/t/nninteractive-url-error/42816)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 3\
**Last updated:** [May 6, 2025, 7:15pm UTC](https://discourse.slicer.org/t/nninteractive-url-error/42816 "2025-05-06T19:15:18Z")

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NNinteractive used to work, but with a recent nightly, I am getting this error. Traceback (most recent call last): File "/home/maga/Downloads/Slicer-5.9.0-2025-04-28-linux-amd64/bin/Python/slicer/util.py", line 3391, …

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## [Best Practices for ROI Selection in IMAC Measurement on L3 CT Scans](https://discourse.slicer.org/t/best-practices-for-roi-selection-in-imac-measurement-on-l3-ct-scans/42813)

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**Author:** [@Marcelo\_dos\_Santos\_V](https://discourse.slicer.org/u/Marcelo_dos_Santos_V)\
**Replies:** 0\
**Last updated:** [May 6, 2025, 1:58pm UTC](https://discourse.slicer.org/t/best-practices-for-roi-selection-in-imac-measurement-on-l3-ct-scans/42813 "2025-05-06T13:58:08Z")

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Hello, I’m looking for guidance on how to assess myosteatosis using CT imaging at the L3 level. Recently, we came across the IMAC (Intramuscular Adiposity Content) index, which is defined as the ratio between the mean H…

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## [Lung Vessels module](https://discourse.slicer.org/t/lung-vessels-module/15415)

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**Author:** [@sergiGB](https://discourse.slicer.org/u/sergiGB)\
**Replies:** 12\
**Last updated:** [May 6, 2025, 12:15pm UTC](https://discourse.slicer.org/t/lung-vessels-module/15415 "2025-05-06T12:15:50Z")

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how can I get lung vessels? i want to get lung vessels without lung body Thanks !

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## [how to display 2D time series such as Cine in 3D Slicer](https://discourse.slicer.org/t/how-to-display-2d-time-series-such-as-cine-in-3d-slicer/42787)

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**Author:** [@Wei\_Sun](https://discourse.slicer.org/u/Wei_Sun)\
**Replies:** 4\
**Last updated:** [May 6, 2025, 11:32am UTC](https://discourse.slicer.org/t/how-to-display-2d-time-series-such-as-cine-in-3d-slicer/42787 "2025-05-06T11:32:52Z")

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Hi There, Is there a way to display 2D time series such as cine in 3D Slicer? I converted one 2D time series with 30 images into nii.gz but can only display one image in 3D Slicer. Thanks, Wei

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## [Slicer in the web browser](https://discourse.slicer.org/t/slicer-in-the-web-browser/42780)

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**Author:** [@MikeSala](https://discourse.slicer.org/u/MikeSala)\
**Replies:** 2\
**Last updated:** [May 6, 2025, 11:27am UTC](https://discourse.slicer.org/t/slicer-in-the-web-browser/42780 "2025-05-06T11:27:27Z")

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Hi everyone, I’d like to ask you a quick question, if I may. I’d be extremely grateful if you could point me in the right direction. Here’s my current workflow: I segment organs using 3D Slicer, then export the .obj fi…

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## [Python console messages](https://discourse.slicer.org/t/python-console-messages/42809)

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**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\
**Replies:** 3\
**Last updated:** [May 6, 2025, 10:52am UTC](https://discourse.slicer.org/t/python-console-messages/42809 "2025-05-06T10:52:32Z")

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Why Slicer can not instantaine for example vtkvmtk, curveMarker other many issues. The messages are the following ones: Failed to load vtkSlicerCrossSectionAnalysisModuleLogicPython: No module named vtkSlicerShapeModule…

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## [How to Hide Certain Modules and Customize Module Layout in My Custom Slicer Build](https://discourse.slicer.org/t/how-to-hide-certain-modules-and-customize-module-layout-in-my-custom-slicer-build/42807)

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**Author:** [@software](https://discourse.slicer.org/u/software)\
**Replies:** 0\
**Last updated:** [May 6, 2025, 7:52am UTC](https://discourse.slicer.org/t/how-to-hide-certain-modules-and-customize-module-layout-in-my-custom-slicer-build/42807 "2025-05-06T07:52:28Z")

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Hi everyone, I’m working on a custom version of 3D Slicer and I want to customize it a bit: Hide or disable certain modules: I don’t want to use some modules like Markups, Camera, and Data Probe in my build. I want t…

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## [Problem with VMTK extract centerline module](https://discourse.slicer.org/t/problem-with-vmtk-extract-centerline-module/42748)

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**Author:** [@francesca\_flore](https://discourse.slicer.org/u/francesca_flore)\
**Replies:** 6\
**Last updated:** [May 6, 2025, 7:46am UTC](https://discourse.slicer.org/t/problem-with-vmtk-extract-centerline-module/42748 "2025-05-06T07:46:59Z")

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It seems that the generated centerline does not start and end from the endpoints I give it, but it is as if it is cut before. Any idea?

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## [Parallel Voxel Batch Processing](https://discourse.slicer.org/t/parallel-voxel-batch-processing/42802)

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**Author:** [@annapurna11](https://discourse.slicer.org/u/annapurna11)\
**Replies:** 0\
**Last updated:** [May 6, 2025, 12:05am UTC](https://discourse.slicer.org/t/parallel-voxel-batch-processing/42802 "2025-05-06T00:05:57Z")

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Hello! I am trying to perform voxel-based radiomic feature extraction (GLCM features) for a single 3D prostrate cancer image. I am trying to speed up and also parallelize feature extraction of voxels. But instead of work…

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## [Method-Voxel Analysis comparing the same segment on two scans](https://discourse.slicer.org/t/method-voxel-analysis-comparing-the-same-segment-on-two-scans/42801)

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**Author:** [@CSalt](https://discourse.slicer.org/u/CSalt)\
**Replies:** 0\
**Last updated:** [May 5, 2025, 6:37pm UTC](https://discourse.slicer.org/t/method-voxel-analysis-comparing-the-same-segment-on-two-scans/42801 "2025-05-05T18:37:08Z")

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I am trying to perform voxel analysis for scans taken at different time periods to track tumor uptake at varying time points. I am using registered images. I was able to plot a voxel histogram like the one in this docume…

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## [3D print shoulder muscles based on MRI](https://discourse.slicer.org/t/3d-print-shoulder-muscles-based-on-mri/42788)

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**Author:** [@Maite\_Moncada](https://discourse.slicer.org/u/Maite_Moncada)\
**Replies:** 0\
**Last updated:** [May 4, 2025, 7:48pm UTC](https://discourse.slicer.org/t/3d-print-shoulder-muscles-based-on-mri/42788 "2025-05-04T19:48:55Z")

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Hi everyone, I’m a beginner and I need some help :blush: I’m working on a student project where I need to 3D print shoulder muscles based on MRI DICOM images, specifically focusing on the rotator cuff with three common …

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## [Using Customized 3D Slicer on Mobile Devices (App or Web Hosting)](https://discourse.slicer.org/t/using-customized-3d-slicer-on-mobile-devices-app-or-web-hosting/42772)

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**Author:** [@software](https://discourse.slicer.org/u/software)\
**Replies:** 2\
**Last updated:** [May 4, 2025, 8:52pm UTC](https://discourse.slicer.org/t/using-customized-3d-slicer-on-mobile-devices-app-or-web-hosting/42772 "2025-05-04T20:52:34Z")

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Hi everyone, I’ve customized 3D Slicer using the Kitware template and am now exploring the possibility of using this setup on mobile devices, without needing to run the full desktop application on a PC or laptop. Speci…

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## [What modalities and protocols TotalSegmentator works with?](https://discourse.slicer.org/t/what-modalities-and-protocols-totalsegmentator-works-with/42779)

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**Author:** [@angeek](https://discourse.slicer.org/u/angeek)\
**Replies:** 1\
**Last updated:** [May 3, 2025, 2:42pm UTC](https://discourse.slicer.org/t/what-modalities-and-protocols-totalsegmentator-works-with/42779 "2025-05-03T14:42:05Z")

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Hello, is there any specific recommendations concerning the modality. Does TotalSegmentator work well on CT Scans with/without injection, and for MRI, which kind is prefered (T1,T2,STIR,Flair,inPhase) ? Thanks

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## [TotalSegmentator for MRI dataset](https://discourse.slicer.org/t/totalsegmentator-for-mri-dataset/35080)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 23\
**Last updated:** [August 19, 2024, 1:38pm UTC](https://discourse.slicer.org/t/totalsegmentator-for-mri-dataset/35080 "2024-08-19T13:38:15Z")

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Is there an full body (or lower limb) muscle segmentation model from MRI images? As I understand totalsegmentator is specifically for CT.

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## [3D Slicer for segmentation of LIMA-LAD Bypass with severe calcification](https://discourse.slicer.org/t/3d-slicer-for-segmentation-of-lima-lad-bypass-with-severe-calcification/19820)

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**Author:** [@ames](https://discourse.slicer.org/u/ames)\
**Replies:** 1\
**Last updated:** [May 4, 2025, 12:06pm UTC](https://discourse.slicer.org/t/3d-slicer-for-segmentation-of-lima-lad-bypass-with-severe-calcification/19820 "2025-05-04T12:06:10Z")

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Hi all, I am using 3D Slicer with the VMTK extension for the segmentation of contrast-enhanced CCTA images. I was provided with 3 CCTA data sets from patients with a LIMA-LAD bypass 1 year post-surgery. For CFD simulati…

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## [Training MonaiLabel Information](https://discourse.slicer.org/t/training-monailabel-information/42783)

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**Author:** [@yoyo1](https://discourse.slicer.org/u/yoyo1)\
**Replies:** 0\
**Last updated:** [May 4, 2025, 8:26am UTC](https://discourse.slicer.org/t/training-monailabel-information/42783 "2025-05-04T08:26:15Z")

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Hi, I wanted to know if while I’m training my MonaiLabel, the data I’m using is going somewhere or staying private in my model. I refer to the CT/MRI images I’m using and the painting I’m doing on those images to train t…

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