# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=21

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

**Page:** 22

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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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## [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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## [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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## [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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## [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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## [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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## [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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## [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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## [Issue with total segmentator - unrealiable outcome? and manual correction](https://discourse.slicer.org/t/issue-with-total-segmentator-unrealiable-outcome-and-manual-correction/45081)

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**Author:** [@CS1](https://discourse.slicer.org/u/CS1)\
**Replies:** 1\
**Last updated:** [November 14, 2025, 2:57pm UTC](https://discourse.slicer.org/t/issue-with-total-segmentator-unrealiable-outcome-and-manual-correction/45081 "2025-11-14T14:57:10Z")

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Hello! I’ve been using total segmentator for body composition segmentation, from my understanding, total segmentator doesn’t use HU to separate different body tissues and please correct me if I’m wrong. What I’ve notice…

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## [MusculoskeletalAnalysis Extension](https://discourse.slicer.org/t/musculoskeletalanalysis-extension/45071)

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**Author:** [@eliving1](https://discourse.slicer.org/u/eliving1)\
**Replies:** 0\
**Last updated:** [November 13, 2025, 9:09pm UTC](https://discourse.slicer.org/t/musculoskeletalanalysis-extension/45071 "2025-11-13T21:09:48Z")

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I’m running into a problem getting the MusculoskeletalAnalysis extension to work. I’m able to go through the tutorial on the extension website with the provided sample data successfully. As a next test, I tried using the…

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## [Apply presets to certain tissue segment of a volume rendering](https://discourse.slicer.org/t/apply-presets-to-certain-tissue-segment-of-a-volume-rendering/45067)

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**Author:** [@sogo](https://discourse.slicer.org/u/sogo)\
**Replies:** 2\
**Last updated:** [November 13, 2025, 5:01pm UTC](https://discourse.slicer.org/t/apply-presets-to-certain-tissue-segment-of-a-volume-rendering/45067 "2025-11-13T17:01:40Z")

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Hi, I am working on writing a visualization function that applies a different color to a 3D rendering of a volume to only an area masked with tissue segment. I am using split volume function to split segments into scala…

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## [3D Slicer 5.10.0: Metadata keyword filter seems inactive](https://discourse.slicer.org/t/3d-slicer-5-10-0-metadata-keyword-filter-seems-inactive/45054)

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**Author:** [@jimjllin](https://discourse.slicer.org/u/jimjllin)\
**Replies:** 6\
**Last updated:** [November 13, 2025, 4:21pm UTC](https://discourse.slicer.org/t/3d-slicer-5-10-0-metadata-keyword-filter-seems-inactive/45054 "2025-11-13T16:21:00Z")

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Hi Slicer Developers and Community, I am currently testing the 3D Slicer version 5.10.0 (tried both Mac and Windows versions). I seem to have found an issue where the keyword filter in the “Add DICOM Data” module’s “Vi…

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## [Segment Statistics Question](https://discourse.slicer.org/t/segment-statistics-question/44996)

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**Author:** [@BennyShoe](https://discourse.slicer.org/u/BennyShoe)\
**Replies:** 11\
**Last updated:** [November 13, 2025, 4:09pm UTC](https://discourse.slicer.org/t/segment-statistics-question/44996 "2025-11-13T16:09:27Z")

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Hello, I have a question about the Segment Statistics module. I am calculating volumes for multiple segments, but I am getting different sets of output values depending on the segment. For some segments, I get the full…

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## [How to merge two CT series (Thorax + AbdoPelvis) into one continuous volume in Slicer 5.10](https://discourse.slicer.org/t/how-to-merge-two-ct-series-thorax-abdopelvis-into-one-continuous-volume-in-slicer-5-10/45058)

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**Author:** [@Julien\_Ancel](https://discourse.slicer.org/u/Julien_Ancel)\
**Replies:** 1\
**Last updated:** [November 12, 2025, 11:43pm UTC](https://discourse.slicer.org/t/how-to-merge-two-ct-series-thorax-abdopelvis-into-one-continuous-volume-in-slicer-5-10/45058 "2025-11-12T23:43:35Z")

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Hello everyone, I’m working on a quantitative imaging project and I have two CT series from the same patient: one Thorax series (Thorax MEDIASTIN 2.0 MPR ax) one AbdoPelvis series (PORTAL 2.0 MPR ax). Both are …

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## [Register two 2D images (EPID and DRR)](https://discourse.slicer.org/t/register-two-2d-images-epid-and-drr/45057)

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**Author:** [@ruju](https://discourse.slicer.org/u/ruju)\
**Replies:** 0\
**Last updated:** [November 12, 2025, 10:07pm UTC](https://discourse.slicer.org/t/register-two-2d-images-epid-and-drr/45057 "2025-11-12T22:07:58Z")

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Hi, I would like to register two 2D images in 3D Slicer, one is an EPID image and the other is a computed DRR. Unfortunately, the EPID image does not contain any geometric information, so it is placed arbitrarily when l…

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## [Temporal calibration data from fCal into 3D slicer](https://discourse.slicer.org/t/temporal-calibration-data-from-fcal-into-3d-slicer/39739)

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**Author:** [@jonortegav](https://discourse.slicer.org/u/jonortegav)\
**Replies:** 3\
**Last updated:** [November 12, 2025, 3:17pm UTC](https://discourse.slicer.org/t/temporal-calibration-data-from-fcal-into-3d-slicer/39739 "2025-11-12T15:17:50Z")

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Hello @cpinter, As I am new in the 3D slicer community I can just reply 3 times in a topic. So I create this topic to respond you from (Temporal calibration in 3D slicer) topic if I don’t misunderstood, you mean that i…

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## [Edit default dicom import directory](https://discourse.slicer.org/t/edit-default-dicom-import-directory/44704)

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**Author:** [@mvergnat](https://discourse.slicer.org/u/mvergnat)\
**Replies:** 10\
**Last updated:** [November 12, 2025, 2:16pm UTC](https://discourse.slicer.org/t/edit-default-dicom-import-directory/44704 "2025-11-12T14:16:06Z")

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hello to all 3dslicer fans! I use slicer 5.8.1 on PC Windows 10 pro I use “import dicom” very often. unfortunately the “Import DICOM files from directory” window always open in the same folder: C:\\Users\\7064654\\AppDa…

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## [Using 3d slicer and python](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037)

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**Author:** [@Shveta\_Duggal](https://discourse.slicer.org/u/Shveta_Duggal)\
**Replies:** 0\
**Last updated:** [November 11, 2025, 2:31pm UTC](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037 "2025-11-11T14:31:13Z")

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Where is the link for segmentation? Thank you so much

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## [CT/CBCT reconstruction](https://discourse.slicer.org/t/ct-cbct-reconstruction/45032)

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**Author:** [@Hussam](https://discourse.slicer.org/u/Hussam)\
**Replies:** 2\
**Last updated:** [November 11, 2025, 2:03pm UTC](https://discourse.slicer.org/t/ct-cbct-reconstruction/45032 "2025-11-11T14:03:06Z")

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Dear Sir or Madam, Do you mind me asking whether 3 D slicer can reconstruct CT/CBCT? Yours sincerely

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## [mCT fossil tooth segmentation](https://discourse.slicer.org/t/mct-fossil-tooth-segmentation/44992)

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**Author:** [@ThomasVanParys](https://discourse.slicer.org/u/ThomasVanParys)\
**Replies:** 7\
**Last updated:** [November 11, 2025, 12:25pm UTC](https://discourse.slicer.org/t/mct-fossil-tooth-segmentation/44992 "2025-11-11T12:25:44Z")

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Hello: I am asking for advice about the best way to segment a tooth from a fossil mandibular fragment. This is from a mCT scan of 1,554 slices. I want to segment enamel, dentine, pulp, and roots etc… but densities are e…

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## [How to remove added module?](https://discourse.slicer.org/t/how-to-remove-added-module/45015)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 6\
**Last updated:** [November 11, 2025, 9:50am UTC](https://discourse.slicer.org/t/how-to-remove-added-module/45015 "2025-11-11T09:50:38Z")

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I added module through drag and drop in additional module path . I want to remove but i could t find a way to remove the added path . Only option is to restore to default

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## [Two ITK packages in Slicer](https://discourse.slicer.org/t/two-itk-packages-in-slicer/45030)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 3\
**Last updated:** [November 11, 2025, 6:28am UTC](https://discourse.slicer.org/t/two-itk-packages-in-slicer/45030 "2025-11-11T06:28:41Z")

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When I try to register two volumes using our ANTsPy extension, I get this error on Linux. Things workout perfectly fine on Windows and Mac: Switch to module: "ANTsRegistration" WARNING: In /project/itksource/Modules/Co…

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