# Latest

**URL:** https://discourse.slicer.org/latest.md?page=31

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

**Page:** 32

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## [Version 5.10.0, error in total segmentator](https://discourse.slicer.org/t/version-5-10-0-error-in-total-segmentator/45200)

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**Author:** [@hepato](https://discourse.slicer.org/u/hepato)\
**Replies:** 3\
**Last updated:** [November 24, 2025, 11:16am UTC](https://discourse.slicer.org/t/version-5-10-0-error-in-total-segmentator/45200 "2025-11-24T11:16:33Z")

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processing started Writing input file to /private/var/folders/0c/gpzkc1r575xdc6jdzv6v\_s6h0000gn/T/Slicer-cy/\_\_SlicerTemp\_\_2025-11-24\_06+19+55.287/total-segmentator-input.nii Creating segmentations with TotalSegmentator…

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## [How to react to a segmentation node being changed using cut, erase, paint?](https://discourse.slicer.org/t/how-to-react-to-a-segmentation-node-being-changed-using-cut-erase-paint/45201)

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**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\
**Replies:** 4\
**Last updated:** [November 24, 2025, 5:55am UTC](https://discourse.slicer.org/t/how-to-react-to-a-segmentation-node-being-changed-using-cut-erase-paint/45201 "2025-11-24T05:55:24Z")

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Hello, How can I react to a segmentation node being changed using the cut, erase and paint capabilities of the segmentation extension? At first I tried to attach slicer.vtkMRMLSegmentationNode.SegmentationChangedEvent t…

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## [User Discoverability Issues in Slicer 5.10](https://discourse.slicer.org/t/user-discoverability-issues-in-slicer-5-10/45187)

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**Author:** [@alireza](https://discourse.slicer.org/u/alireza)\
**Replies:** 8\
**Last updated:** [November 22, 2025, 3:13am UTC](https://discourse.slicer.org/t/user-discoverability-issues-in-slicer-5-10/45187 "2025-11-22T03:13:37Z")

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Hey everyone, I recently upgraded to Slicer 5.10, and I wanted to share some feedback regarding user discoverability. Specifically, I noticed that some commonly used buttons, such as “New Segmentation” and “New Transfor…

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## [Loading Cardiac MR images](https://discourse.slicer.org/t/loading-cardiac-mr-images/11163)

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**Author:** [@sarvpriya1985](https://discourse.slicer.org/u/sarvpriya1985)\
**Replies:** 8\
**Last updated:** [November 21, 2025, 7:02pm UTC](https://discourse.slicer.org/t/loading-cardiac-mr-images/11163 "2025-11-21T19:02:19Z")

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Hi everyone, I tried to load a single dicom image of Cardiac MRI (IMAGE ATTACHED) However, once I loaded the image into slicer, I am seeing something different and not the exact image. . Also, is it possible to load …

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## [Deletion of patients](https://discourse.slicer.org/t/deletion-of-patients/45183)

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**Author:** [@amberlgilbert](https://discourse.slicer.org/u/amberlgilbert)\
**Replies:** 1\
**Last updated:** [November 21, 2025, 3:57pm UTC](https://discourse.slicer.org/t/deletion-of-patients/45183 "2025-11-21T15:57:18Z")

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I cannot delete any patients? I am writing clicking and delete and it doesn’t get rid of the patient nor does clicking remove all data sets. Please can someone advise?

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## [If i want skeletal muscle area at one slice](https://discourse.slicer.org/t/if-i-want-skeletal-muscle-area-at-one-slice/45184)

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**Author:** [@marwaayman](https://discourse.slicer.org/u/marwaayman)\
**Replies:** 0\
**Last updated:** [November 21, 2025, 3:14pm UTC](https://discourse.slicer.org/t/if-i-want-skeletal-muscle-area-at-one-slice/45184 "2025-11-21T15:14:11Z")

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If i want skeletal muscle area at one slice on L3 all muscles, if i use cross sectional area results it will be correct?

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## [How to detect MRI file being loaded?](https://discourse.slicer.org/t/how-to-detect-mri-file-being-loaded/45079)

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**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\
**Replies:** 8\
**Last updated:** [November 21, 2025, 9:40am UTC](https://discourse.slicer.org/t/how-to-detect-mri-file-being-loaded/45079 "2025-11-21T09:40:31Z")

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Hello, I need to log the header of the MRI file. How can I detect if an MRI file is loaded in slicer? Thanks for your help.

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## [Regarding the link to lesson U-03 in "Common Topics" on the SlicerIGT tutorial page](https://discourse.slicer.org/t/regarding-the-link-to-lesson-u-03-in-common-topics-on-the-slicerigt-tutorial-page/45119)

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**Author:** [@Jun\_HASHIMOTO](https://discourse.slicer.org/u/Jun_HASHIMOTO)\
**Replies:** 2\
**Last updated:** [November 21, 2025, 9:35am UTC](https://discourse.slicer.org/t/regarding-the-link-to-lesson-u-03-in-common-topics-on-the-slicerigt-tutorial-page/45119 "2025-11-21T09:35:55Z")

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On the SlicerIGT tutorial page, the link for lesson U-03 in the “Common Topics” section is broken and I cannot open it. I wanted to connect the NDI Aurora Sensor to 3D Slicer using the Plus Toolkit and import the positio…

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## [Synchronisation window/level across multiple volumes](https://discourse.slicer.org/t/synchronisation-window-level-across-multiple-volumes/45156)

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**Author:** [@ashkanpakzad](https://discourse.slicer.org/u/ashkanpakzad)\
**Replies:** 2\
**Last updated:** [November 21, 2025, 7:41am UTC](https://discourse.slicer.org/t/synchronisation-window-level-across-multiple-volumes/45156 "2025-11-21T07:41:42Z")

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Hi all, I’ve had a search and can’t find much on this. Before I embark on trying to implement this myself, is there an obvious way to link multiple scalar volume nodes window/level, such that if you change the window/le…

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## [Only points showing in Mean Shape Visualization - Slicermorph](https://discourse.slicer.org/t/only-points-showing-in-mean-shape-visualization-slicermorph/45121)

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**Author:** [@emmm\_m](https://discourse.slicer.org/u/emmm_m)\
**Replies:** 8\
**Last updated:** [November 21, 2025, 3:26am UTC](https://discourse.slicer.org/t/only-points-showing-in-mean-shape-visualization-slicermorph/45121 "2025-11-21T03:26:33Z")

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I’m new to slicer so I apologize if this is a question driven by my ineptness. I am working on generating GPA/PCA visualizations, however when I try to generate a Mean shape visualization for the proximal and distal end …

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## [TLS for DICOM Connections?](https://discourse.slicer.org/t/tls-for-dicom-connections/26554)

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**Author:** [@sscotti](https://discourse.slicer.org/u/sscotti)\
**Replies:** 8\
**Last updated:** [November 21, 2025, 2:40am UTC](https://discourse.slicer.org/t/tls-for-dicom-connections/26554 "2025-11-21T02:40:27Z")

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Is there an option to connect to a PACS (Orthanc in my case) using DICOM TLS ? I have Orthanc setup to use DICOMTLS, and that works fine between different Orthanc instances, but I would also like the capability to conne…

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## [Paint tool continues to draw when mouse button is released](https://discourse.slicer.org/t/paint-tool-continues-to-draw-when-mouse-button-is-released/45170)

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**Author:** [@catemuse](https://discourse.slicer.org/u/catemuse)\
**Replies:** 2\
**Last updated:** [November 20, 2025, 7:53pm UTC](https://discourse.slicer.org/t/paint-tool-continues-to-draw-when-mouse-button-is-released/45170 "2025-11-20T19:53:33Z")

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Operating system: Mac OS 15.6.1 (24G90) Slicer version: 5.10.0 Expected behavior: Don’t draw just because cursor is moving Actual behavior: Draws unwanted areas, killing other segments I finally got nnInteractive to …

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## [Integration with AWS HealthImaging](https://discourse.slicer.org/t/integration-with-aws-healthimaging/42604)

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**Author:** [@ksidis](https://discourse.slicer.org/u/ksidis)\
**Replies:** 4\
**Last updated:** [November 20, 2025, 1:46pm UTC](https://discourse.slicer.org/t/integration-with-aws-healthimaging/42604 "2025-11-20T13:46:04Z")

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Hello, Thank you for providing this amazing tool. I recently got involved in a PoT about AWS HealthImaging (AHI) service (formerly known as AWS HealthLake). After a quick look I realised that out of the box it only su…

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## [Add Data dialog box appears black the second time it's opened](https://discourse.slicer.org/t/add-data-dialog-box-appears-black-the-second-time-its-opened/28277)

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**Author:** [@ezemikulan](https://discourse.slicer.org/u/ezemikulan)\
**Replies:** 9\
**Last updated:** [November 20, 2025, 7:16am UTC](https://discourse.slicer.org/t/add-data-dialog-box-appears-black-the-second-time-its-opened/28277 "2025-11-20T07:16:04Z")

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Hi, I’ve noticed that in versions starting from 5.0 in Linux (Ubuntu 22.04) the Add Data dialog box appears completely black the second time it is opened. I’ve tested it in 5.0, 5.2.1, 5.2.2 and 5.3 (preview). The first …

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## [Adding an Extension/Module](https://discourse.slicer.org/t/adding-an-extension-module/45158)

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**Author:** [@elisedl1](https://discourse.slicer.org/u/elisedl1)\
**Replies:** 1\
**Last updated:** [November 20, 2025, 4:27am UTC](https://discourse.slicer.org/t/adding-an-extension-module/45158 "2025-11-20T04:27:48Z")

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Is it possible to build an extension package and add it to the Extension Manager to be publicly available for installation? I currently have a developed module that is locally integrated or can be integrated via cloning …

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## [Slicer Project Week #44 registration is open](https://discourse.slicer.org/t/slicer-project-week-44-registration-is-open/45152)

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**Author:** [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Replies:** 0\
**Last updated:** [November 19, 2025, 5:57pm UTC](https://discourse.slicer.org/t/slicer-project-week-44-registration-is-open/45152 "2025-11-19T17:57:37Z")

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Dear all, We have opened registration for the 44th project week, which will take place in Las Palmas de Gran Canaria, Spain, between the 26th and 30th of January, 2026. Please find all the information and the registrat…

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## [Extensions manager causes Slicer to freeze](https://discourse.slicer.org/t/extensions-manager-causes-slicer-to-freeze/42971)

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**Author:** [@ramenegaz](https://discourse.slicer.org/u/ramenegaz)\
**Replies:** 4\
**Last updated:** [November 19, 2025, 12:00am UTC](https://discourse.slicer.org/t/extensions-manager-causes-slicer-to-freeze/42971 "2025-11-19T00:00:27Z")

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Hello - When I try to open the Extensions Manager, it’s causing 3D Slicer to freeze. I don’t get the “Extensions manager is starting, please wait…” message, just a spinning wheel. I’ve tried both stable build 5.8.1 and…

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## [2025.11.18 Weekly Meeting - After Project Week Meeting](https://discourse.slicer.org/t/2025-11-18-weekly-meeting-after-project-week-meeting/45088)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [November 18, 2025, 8:24pm UTC](https://discourse.slicer.org/t/2025-11-18-weekly-meeting-after-project-week-meeting/45088 "2025-11-18T20:24:39Z")

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Next Tuesday, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. after the project week meetings. We will be re-using the same meeting link Anyone is welcome to join at this link: Launch Meetin…

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## [SlicerRadiomics/Pyradiomics in Slicer 5.10.0. on Macbook.](https://discourse.slicer.org/t/slicerradiomics-pyradiomics-in-slicer-5-10-0-on-macbook/45120)

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**Author:** [@nicol\_zhakov](https://discourse.slicer.org/u/nicol_zhakov)\
**Replies:** 1\
**Last updated:** [November 18, 2025, 3:42pm UTC](https://discourse.slicer.org/t/slicerradiomics-pyradiomics-in-slicer-5-10-0-on-macbook/45120 "2025-11-18T15:42:08Z")

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Hii I just downloaded Slicer 5.10.0. on my Macbook. I wanted to use the SlicerRadiomics/Pyradiomics extension but I couldn’t find it. Is there any chance that I could use the extension on my Mac? does it exist? or shou…

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## [Reminder: Meetings start today!](https://discourse.slicer.org/t/reminder-meetings-start-today/45133)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [November 18, 2025, 2:50pm UTC](https://discourse.slicer.org/t/reminder-meetings-start-today/45133 "2025-11-18T14:50:57Z")

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Project Week Prep Meetings start 2025-11-18T15:00:00Z (UTC)

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## [How to merge multiple segments at once](https://discourse.slicer.org/t/how-to-merge-multiple-segments-at-once/30449)

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**Author:** [@Kitchen-Sinkk](https://discourse.slicer.org/u/Kitchen-Sinkk)\
**Replies:** 11\
**Last updated:** [November 18, 2025, 12:04pm UTC](https://discourse.slicer.org/t/how-to-merge-multiple-segments-at-once/30449 "2025-11-18T12:04:30Z")

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as the images showed, I have mutiple segements. I can add them one by one through the “logic operators” functions. However, I like to merge or “add” them together at once. Are there any method to achieve this goal?

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## [How to generate a cut plane using markups](https://discourse.slicer.org/t/how-to-generate-a-cut-plane-using-markups/44905)

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**Author:** [@Davi\_Matos](https://discourse.slicer.org/u/Davi_Matos)\
**Replies:** 3\
**Last updated:** [November 18, 2025, 11:27am UTC](https://discourse.slicer.org/t/how-to-generate-a-cut-plane-using-markups/44905 "2025-11-18T11:27:27Z")

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Hello, I’ve been searching for a way to generate cutting planes through curved mark up. First I’ve found two ways of generating those curved markups (1st pic is the surface markup extension and 2nd pic is the surface cut…

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## [3D Slicer and trame-slicer framework](https://discourse.slicer.org/t/3d-slicer-and-trame-slicer-framework/45118)

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**Author:** [@claudiney](https://discourse.slicer.org/u/claudiney)\
**Replies:** 1\
**Last updated:** [November 17, 2025, 11:03pm UTC](https://discourse.slicer.org/t/3d-slicer-and-trame-slicer-framework/45118 "2025-11-17T23:03:02Z")

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Project Title: Building an Interactive 3D Slicer Tool for Global Clinical Training \[Quick Project Summary\] I’m looking for a specialized Python/Web developer to help me build a secure, cloud-hosted training tool using t…

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## [MacOS and Linux extensions for stable is delayed?](https://discourse.slicer.org/t/macos-and-linux-extensions-for-stable-is-delayed/45043)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 7\
**Last updated:** [November 17, 2025, 10:36pm UTC](https://discourse.slicer.org/t/macos-and-linux-extensions-for-stable-is-delayed/45043 "2025-11-17T22:36:24Z")

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Hi folks, Current extension catalog for stable for MacOS and Linux is not updated with build from today. Windows is up to date. Cdash does not show any MacOS builds. Are they still being build?

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## [Project Week 44 Meetings start next Tuesday!](https://discourse.slicer.org/t/project-week-44-meetings-start-next-tuesday/45086)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [November 17, 2025, 7:41pm UTC](https://discourse.slicer.org/t/project-week-44-meetings-start-next-tuesday/45086 "2025-11-17T19:41:55Z")

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Dear Project Week community, The first prep meeting for Project Week 44 will be next Tuesday, Nov 18, at 10:00 AM ET. Please join us as we kick off planning for the next event. You can join using the following link wh…

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## [DeCAL & DeCA —\> option for selecting sample basis for reference shape](https://discourse.slicer.org/t/decal-deca-option-for-selecting-sample-basis-for-reference-shape/45075)

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**Author:** [@MrMarkus](https://discourse.slicer.org/u/MrMarkus)\
**Replies:** 2\
**Last updated:** [November 17, 2025, 3:38pm UTC](https://discourse.slicer.org/t/decal-deca-option-for-selecting-sample-basis-for-reference-shape/45075 "2025-11-17T15:38:12Z")

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Dear SlicerMorph team, would it be possible to add an additional option for the generation of the “mean shape”? For my work, probably for other users too, it would be very useful to be able to choose which shapes should…

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## [how to measure skeletal muscle index in the application](https://discourse.slicer.org/t/how-to-measure-skeletal-muscle-index-in-the-application/45117)

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**Author:** [@marwaayman](https://discourse.slicer.org/u/marwaayman)\
**Replies:** 0\
**Last updated:** [November 17, 2025, 3:35pm UTC](https://discourse.slicer.org/t/how-to-measure-skeletal-muscle-index-in-the-application/45117 "2025-11-17T15:35:44Z")

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hello, how can i measure skeletal musle index, at segment L3, i dont know how can i confirm that iam using it correct?

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## [2025.11.11 Weekly Meeting](https://discourse.slicer.org/t/2025-11-11-weekly-meeting/45026)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 3\
**Last updated:** [November 17, 2025, 3:35pm UTC](https://discourse.slicer.org/t/2025-11-11-weekly-meeting/45026 "2025-11-17T15:35:15Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. a Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread t…

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## [Validation Request: Visceral Fascia Segmentation from CT Scans ](https://discourse.slicer.org/t/validation-request-visceral-fascia-segmentation-from-ct-scans/45082)

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**Author:** [@Charles\_Chyna](https://discourse.slicer.org/u/Charles_Chyna)\
**Replies:** 1\
**Last updated:** [November 14, 2025, 9:16pm UTC](https://discourse.slicer.org/t/validation-request-visceral-fascia-segmentation-from-ct-scans/45082 "2025-11-14T21:16:57Z")

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Greetings everyone, Before moving forward with a larger dataset, I would greatly appreciate expert feedback on my approach to the automated pipeline I’m developing for visceral fascia segmentation from abdominal CT scans…

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## [Custom 3D Slicer does not accept url functions](https://discourse.slicer.org/t/custom-3d-slicer-does-not-accept-url-functions/44194)

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**Author:** [@nicofutur8](https://discourse.slicer.org/u/nicofutur8)\
**Replies:** 5\
**Last updated:** [November 14, 2025, 8:28pm UTC](https://discourse.slicer.org/t/custom-3d-slicer-does-not-accept-url-functions/44194 "2025-11-14T20:28:14Z")

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Hello everyone! I’m testing a custom build of Slicer but, when I got into URLs functions (because I want to open slicer via browser with “slicer://”) it doesn’t seem to recognize them and nothing happens at all. Could …

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