# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=42

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

**Page:** 43

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## [VMTK extension build error](https://discourse.slicer.org/t/vmtk-extension-build-error/42765)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 9\
**Last updated:** [May 3, 2025, 6:26pm UTC](https://discourse.slicer.org/t/vmtk-extension-build-error/42765 "2025-05-03T18:26:00Z")

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Looks like VTMK is not building for the latest preview.

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## [How can i correct a segmentation made by Total Segmentator ?](https://discourse.slicer.org/t/how-can-i-correct-a-segmentation-made-by-total-segmentator/42778)

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**Author:** [@angeek](https://discourse.slicer.org/u/angeek)\
**Replies:** 1\
**Last updated:** [May 3, 2025, 2:10pm UTC](https://discourse.slicer.org/t/how-can-i-correct-a-segmentation-made-by-total-segmentator/42778 "2025-05-03T14:10:38Z")

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Hello, I use Total Segmentator to segment a MRI Scan. It seems that the urinary bladder is not fully segmented. How can i correct this ? Thanks! Best regards,

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## [New extension: Fully automatic whole-body CT segmentation in 2 minutes using TotalSegmentator](https://discourse.slicer.org/t/new-extension-fully-automatic-whole-body-ct-segmentation-in-2-minutes-using-totalsegmentator/26710)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 45\
**Last updated:** [January 7, 2025, 5:06pm UTC](https://discourse.slicer.org/t/new-extension-fully-automatic-whole-body-ct-segmentation-in-2-minutes-using-totalsegmentator/26710 "2025-01-07T17:06:14Z")

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The TotalSegmentator AI model is now available as an extension for 3D Slicer version 5.2 and above (see installation instructions here). A large number of AI segmentation models have been developed over the past few …

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## [New 3D Slicer extension for planning and surgical guide generation for mandibular bone reconstruction](https://discourse.slicer.org/t/new-3d-slicer-extension-for-planning-and-surgical-guide-generation-for-mandibular-bone-reconstruction/17638)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 21\
**Last updated:** [May 2, 2025, 7:38pm UTC](https://discourse.slicer.org/t/new-3d-slicer-extension-for-planning-and-surgical-guide-generation-for-mandibular-bone-reconstruction/17638 "2025-05-02T19:38:22Z")

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BoneReconstructionPlanner is a 3D Slicer extension for virtual surgical planning of mandibular reconstruction with vascularized fibula free flap and generation of patient-specific surgical guides. BoneReconstructionPlan…

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## [AI Segmentation error with MOOSE (non zero exit status, check the FOV) and MONAIAuto3DSeg](https://discourse.slicer.org/t/ai-segmentation-error-with-moose-non-zero-exit-status-check-the-fov-and-monaiauto3dseg/42761)

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**Author:** [@j\_bu](https://discourse.slicer.org/u/j_bu)\
**Replies:** 3\
**Last updated:** [May 1, 2025, 6:29pm UTC](https://discourse.slicer.org/t/ai-segmentation-error-with-moose-non-zero-exit-status-check-the-fov-and-monaiauto3dseg/42761 "2025-05-01T18:29:50Z")

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Hello all, I want to compare different segemantations but I always get exceptions. Please help, thank you very much in advance. Total Segmentator works. After opening my CT scan I get the output: “\[VTK\] There is more t…

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## [Inverse Methods of Curved Planar Reformat](https://discourse.slicer.org/t/inverse-methods-of-curved-planar-reformat/42637)

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**Author:** [@Yanhong](https://discourse.slicer.org/u/Yanhong)\
**Replies:** 9\
**Last updated:** [May 1, 2025, 3:23pm UTC](https://discourse.slicer.org/t/inverse-methods-of-curved-planar-reformat/42637 "2025-05-01T15:23:40Z")

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Hi, everyone, I have been using the CPR method in my project but I got some problem of its inverse. According to the document, the transformation is invertible when there is no self-cross. But the curve I want to process…

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## [Choosing control points for an elastix registration](https://discourse.slicer.org/t/choosing-control-points-for-an-elastix-registration/42758)

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**Author:** [@ABirch](https://discourse.slicer.org/u/ABirch)\
**Replies:** 0\
**Last updated:** [May 1, 2025, 11:00am UTC](https://discourse.slicer.org/t/choosing-control-points-for-an-elastix-registration/42758 "2025-05-01T11:00:43Z")

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Greetings, I am looking for a way to pick the exact location of control points for an elastix b-spline registration by inserting the coordinates of the control points. Is there a way to do this in slicer? Thanks, Andr…

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## [Module ImageStacks in 3D Slicer 5.8.1](https://discourse.slicer.org/t/module-imagestacks-in-3d-slicer-5-8-1/42749)

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**Author:** [@juliangallaun](https://discourse.slicer.org/u/juliangallaun)\
**Replies:** 2\
**Last updated:** [May 1, 2025, 7:54am UTC](https://discourse.slicer.org/t/module-imagestacks-in-3d-slicer-5-8-1/42749 "2025-05-01T07:54:08Z")

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Greetings, I installed the SlicerMorph extension which should provide access to the ImageStacks module, but I can’t find it using the Module-finder. I’ve already checked SlicerMorph for updates, is this module not imple…

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## [Blood Oxygenation Level-Dependent (BOLD) Imaging Utility in Renal Evaluation](https://discourse.slicer.org/t/blood-oxygenation-level-dependent-bold-imaging-utility-in-renal-evaluation/41832)

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**Author:** [@chrisvasquezfuentes](https://discourse.slicer.org/u/chrisvasquezfuentes)\
**Replies:** 4\
**Last updated:** [April 30, 2025, 10:52pm UTC](https://discourse.slicer.org/t/blood-oxygenation-level-dependent-bold-imaging-utility-in-renal-evaluation/41832 "2025-04-30T22:52:32Z")

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Hello, I hope you’re doing well. I was wondering if you could provide guidance on extracting the BOLD value from the acquired signal. I would greatly appreciate your assistance. Is there a tool that allows me to extract…

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## [How to prevent automatic renaming after patching and loading echcardiograms?](https://discourse.slicer.org/t/how-to-prevent-automatic-renaming-after-patching-and-loading-echcardiograms/42689)

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**Author:** [@Maeva](https://discourse.slicer.org/u/Maeva)\
**Replies:** 3\
**Last updated:** [April 30, 2025, 10:22pm UTC](https://discourse.slicer.org/t/how-to-prevent-automatic-renaming-after-patching-and-loading-echcardiograms/42689 "2025-04-30T22:22:46Z")

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Hello, I am doing a research in which I model 3D hearts of neonates. I have downloaded the images to DICOM cartesian maps, and all works. Then, using the cardiac drop down botton (provided by the HeartSlicer extension),…

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## [Modify the Label from markupsNode](https://discourse.slicer.org/t/modify-the-label-from-markupsnode/42743)

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**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\
**Replies:** 3\
**Last updated:** [April 30, 2025, 12:51pm UTC](https://discourse.slicer.org/t/modify-the-label-from-markupsnode/42743 "2025-04-30T12:51:34Z")

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Hi to everyone! A quick one for today: Is possible to edit the blue text? To my current work I don’t want to show the height: 2.000 mm Thanks to all :slight\_smile:

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## [Need help on implementing slice visibility of a 3d model](https://discourse.slicer.org/t/need-help-on-implementing-slice-visibility-of-a-3d-model/42745)

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**Author:** [@alientex](https://discourse.slicer.org/u/alientex)\
**Replies:** 2\
**Last updated:** [April 30, 2025, 10:21am UTC](https://discourse.slicer.org/t/need-help-on-implementing-slice-visibility-of-a-3d-model/42745 "2025-04-30T10:21:54Z")

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Hello everyone, I am new to Slicer, and I have gone through some tutorial PDFs provided in the developer section of the official site. I have created a scripted module using the Extension Wizard. For my module, I am imp…

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## [totalsegmentator models connection](https://discourse.slicer.org/t/totalsegmentator-models-connection/42725)

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**Author:** [@yoyo1](https://discourse.slicer.org/u/yoyo1)\
**Replies:** 2\
**Last updated:** [April 30, 2025, 6:56am UTC](https://discourse.slicer.org/t/totalsegmentator-models-connection/42725 "2025-04-30T06:56:34Z")

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Hi, I’m trying to activate the totalsegmentator on one of the examples of CT there’s in the slicer. I get an error that the ml models are not connected and the result failes. Thanks

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## [Visualization of lower body muscle segmentation from Dafne](https://discourse.slicer.org/t/visualization-of-lower-body-muscle-segmentation-from-dafne/42452)

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**Author:** [@trumanchiu](https://discourse.slicer.org/u/trumanchiu)\
**Replies:** 11\
**Last updated:** [April 30, 2025, 12:45am UTC](https://discourse.slicer.org/t/visualization-of-lower-body-muscle-segmentation-from-dafne/42452 "2025-04-30T00:45:16Z")

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Hello everyone, I am new to 3DSlicer and I am working on a lower body MRI study with the goal of segmenting 35 muscles and creating 3D visualizations from the segmentations. Manual muscle segmentations have been complete…

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## [DentalSegmentator error: "ModuleNotFoundError: No module named ‘threadpoolctl’"](https://discourse.slicer.org/t/dentalsegmentator-error-modulenotfounderror-no-module-named-threadpoolctl/36802)

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**Author:** [@1546161](https://discourse.slicer.org/u/1546161)\
**Replies:** 2\
**Last updated:** [April 29, 2025, 9:48pm UTC](https://discourse.slicer.org/t/dentalsegmentator-error-modulenotfounderror-no-module-named-threadpoolctl/36802 "2025-04-29T21:48:02Z")

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2024/06/14 11:20:00.892 :: nnUNet is already installed (2.4.2) and compatible with requested version (nnunetv2). 2024/06/14 11:20:09.816 :: Transferring volume to nnUNet in C:/Users/DELL/AppData/Local/Temp/Slicer-bFASSs …

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## [Chest Imaging Platform in Slicer 5.8](https://discourse.slicer.org/t/chest-imaging-platform-in-slicer-5-8/41687)

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**Author:** [@Arash1](https://discourse.slicer.org/u/Arash1)\
**Replies:** 2\
**Last updated:** [April 29, 2025, 11:56am UTC](https://discourse.slicer.org/t/chest-imaging-platform-in-slicer-5-8/41687 "2025-04-29T11:56:59Z")

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Hello With the new release (5.8), it seems that the Chest Imaging Platform (CIP) is no longer fully available. It only contains the Analyzer. Upon trying to install it manually, the Slicer software wouldn’t open. I was…

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## [VMTK generated centerline curves missing structure hierarchy](https://discourse.slicer.org/t/vmtk-generated-centerline-curves-missing-structure-hierarchy/36586)

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**Author:** [@RomanStriker](https://discourse.slicer.org/u/RomanStriker)\
**Replies:** 6\
**Last updated:** [April 29, 2025, 7:59am UTC](https://discourse.slicer.org/t/vmtk-generated-centerline-curves-missing-structure-hierarchy/36586 "2025-04-29T07:59:47Z")

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Hi, I am using the Extract Centerline module of VMTK extension to generate network and centerline curves for the network and centerline models. The problem is that the network curve generated is missing the hierarchical…

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## [Green slice got an empty green frame](https://discourse.slicer.org/t/green-slice-got-an-empty-green-frame/42732)

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**Author:** [@Derek\_Wang](https://discourse.slicer.org/u/Derek_Wang)\
**Replies:** 1\
**Last updated:** [April 29, 2025, 5:14am UTC](https://discourse.slicer.org/t/green-slice-got-an-empty-green-frame/42732 "2025-04-29T05:14:01Z")

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When I used Blender 4.4 to update the green image slice transformation matrix, it presents an empty green frame around image slice, is it possible to remove the green frame in 3D Slicer? Thanks a lot!

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## [Volume maths (adding, subtracting ,,, singnal intensity)](https://discourse.slicer.org/t/volume-maths-adding-subtracting-singnal-intensity/42724)

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**Author:** [@Kenneth](https://discourse.slicer.org/u/Kenneth)\
**Replies:** 2\
**Last updated:** [April 29, 2025, 12:17am UTC](https://discourse.slicer.org/t/volume-maths-adding-subtracting-singnal-intensity/42724 "2025-04-29T00:17:11Z")

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Hy. I need to ADD 2 nifti MR registered volumes (of the same size and body part) in order to have a new volume whith the higher signal intensity of each of the two volume. Each pixel must have a signal value (intensity) …

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## [Connection Plus Server to Epiphan Framegrabber](https://discourse.slicer.org/t/connection-plus-server-to-epiphan-framegrabber/23533)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 6\
**Last updated:** [April 28, 2025, 2:09pm UTC](https://discourse.slicer.org/t/connection-plus-server-to-epiphan-framegrabber/23533 "2025-04-28T14:09:28Z")

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Dear all! I am trying to stream US data to 3D Slicer (4.13) via Plus Server (2.8, latest version) and OpenIGT. Therefore, I bought the Epiphan AV.io framegrabber and connected it to my computer. However, I am not able …

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## [Calculating the volume encompassed by a given isodose](https://discourse.slicer.org/t/calculating-the-volume-encompassed-by-a-given-isodose/42712)

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**Author:** [@azam](https://discourse.slicer.org/u/azam)\
**Replies:** 1\
**Last updated:** [April 28, 2025, 10:58am UTC](https://discourse.slicer.org/t/calculating-the-volume-encompassed-by-a-given-isodose/42712 "2025-04-28T10:58:03Z")

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Hi everyone I exported DICOM RT Dose from the treatment planning system and I want to calculate the volume encompassed by each isodose (for example, isodose 20 Gy). I used the isodose module for this purpose, But I don’…

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## [What happened to CT Xray preset in Volume REndering Module?](https://discourse.slicer.org/t/what-happened-to-ct-xray-preset-in-volume-rendering-module/42704)

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**Author:** [@alcuevas80](https://discourse.slicer.org/u/alcuevas80)\
**Replies:** 1\
**Last updated:** [April 27, 2025, 5:28pm UTC](https://discourse.slicer.org/t/what-happened-to-ct-xray-preset-in-volume-rendering-module/42704 "2025-04-27T17:28:55Z")

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Hi, I am using slicer 5.9.0 linux version. But in this new version I am not getting the X ray template in volume rendering module, even tohugh I select it from the tab list. Is it gone?

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## [Use of transforms to co-register echo and cardiac mri](https://discourse.slicer.org/t/use-of-transforms-to-co-register-echo-and-cardiac-mri/42701)

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**Author:** [@RGhosh](https://discourse.slicer.org/u/RGhosh)\
**Replies:** 0\
**Last updated:** [April 26, 2025, 8:11pm UTC](https://discourse.slicer.org/t/use-of-transforms-to-co-register-echo-and-cardiac-mri/42701 "2025-04-26T20:11:48Z")

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I have segmented several structures from 3D echo. I would like to export these structures into another Slicer file created from a cardiac MRI. When I copy and paste the part, or convert it to an STL and then import the…

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## [View Format of 3D Slicer (Coronal, Axial, Saggital)](https://discourse.slicer.org/t/view-format-of-3d-slicer-coronal-axial-saggital/42652)

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**Author:** [@aleee97](https://discourse.slicer.org/u/aleee97)\
**Replies:** 4\
**Last updated:** [April 26, 2025, 12:59pm UTC](https://discourse.slicer.org/t/view-format-of-3d-slicer-coronal-axial-saggital/42652 "2025-04-26T12:59:54Z")

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Hi Everyone Is it possible, that if I load a Series of Slice in Coronal view, that 3D Slicer automatically creates the axial and saggital view ? I am asking, because when loading the date with python, I don’t find any M…

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## [How to convert xyz to RAS](https://discourse.slicer.org/t/how-to-convert-xyz-to-ras/42688)

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**Author:** [@zxy630](https://discourse.slicer.org/u/zxy630)\
**Replies:** 3\
**Last updated:** [April 26, 2025, 12:25pm UTC](https://discourse.slicer.org/t/how-to-convert-xyz-to-ras/42688 "2025-04-26T12:25:17Z")

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I have an xyz coordinate of 31.4, -39.6, -216.4, but the corresponding RAS coordinates are -34.88, 38.816, -204.997. I find that there are deviations in the coordinates when importing. This is not just a simple relations…

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## [Segmentation with ellipse shape](https://discourse.slicer.org/t/segmentation-with-ellipse-shape/42687)

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**Author:** [@HvNie](https://discourse.slicer.org/u/HvNie)\
**Replies:** 2\
**Last updated:** [April 25, 2025, 6:58pm UTC](https://discourse.slicer.org/t/segmentation-with-ellipse-shape/42687 "2025-04-25T18:58:39Z")

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Hi there, I have a question regarding the segmentation tools. What I’m trying to do in 3D Slicer is segment abdominal aortic aneurysms in 3D ultrasound images. I’ve found that it would be easiest to use a tool that allo…

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## [Citing ModelToModel Distance module](https://discourse.slicer.org/t/citing-modeltomodel-distance-module/42692)

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**Author:** [@evaherbst](https://discourse.slicer.org/u/evaherbst)\
**Replies:** 0\
**Last updated:** [April 25, 2025, 4:22pm UTC](https://discourse.slicer.org/t/citing-modeltomodel-distance-module/42692 "2025-04-25T16:22:25Z")

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Hi, I used the model-to-model distance module, should I just cite slicer? I tried to find documentation on how to attribute it correctly but did not find a specific citation yet. Thank you, Eva

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## [Unexpected behaviour remeshing in Surface Toolbox](https://discourse.slicer.org/t/unexpected-behaviour-remeshing-in-surface-toolbox/42471)

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**Author:** [@evaherbst](https://discourse.slicer.org/u/evaherbst)\
**Replies:** 3\
**Last updated:** [April 25, 2025, 4:19pm UTC](https://discourse.slicer.org/t/unexpected-behaviour-remeshing-in-surface-toolbox/42471 "2025-04-25T16:19:41Z")

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Hi all, I was playing around with remeshing models, and I realized that if I do uniform remesh, with the same settings, and apply it twice, it shrinks on each run. Here I applied it around 5-6 times to show the shrinka…

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## [Skull segmentation & cranial patch design – workflow help](https://discourse.slicer.org/t/skull-segmentation-cranial-patch-design-workflow-help/42671)

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**Author:** [@palomar](https://discourse.slicer.org/u/palomar)\
**Replies:** 0\
**Last updated:** [April 24, 2025, 3:29am UTC](https://discourse.slicer.org/t/skull-segmentation-cranial-patch-design-workflow-help/42671 "2025-04-24T03:29:01Z")

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Hi all, I’m working on an exercise using a whole-body PET CT scan of a healthy patient. Any tips on the best segmentation approach in Slicer, and how to model a custom-fit patch (possibly simulating a defect)? Would re…

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## [How to sum (or average) scalar volumes of a dynamic PET study?](https://discourse.slicer.org/t/how-to-sum-or-average-scalar-volumes-of-a-dynamic-pet-study/36107)

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**Author:** [@angelods](https://discourse.slicer.org/u/angelods)\
**Replies:** 3\
**Last updated:** [April 23, 2025, 10:33pm UTC](https://discourse.slicer.org/t/how-to-sum-or-average-scalar-volumes-of-a-dynamic-pet-study/36107 "2025-04-23T22:33:36Z")

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Dear all, is there anybody who can give me a suggestion on how to sum the different time-point images of a 4-frame dynamic PET scan I loaded from DICOM importer, and result in a single “static” scan? Thanks, Angelo

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