# Top **URL:** https://discourse.slicer.org/top.md?page=10 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 11 --- ## [endless loading in the dental segmentator ](https://discourse.slicer.org/t/endless-loading-in-the-dental-segmentator/46175)
**Author:** [@Imran](https://discourse.slicer.org/u/Imran)\ **Replies:** 1\ **Last updated:** [February 17, 2026, 9:53am UTC](https://discourse.slicer.org/t/endless-loading-in-the-dental-segmentator/46175 "2026-02-17T09:53:01Z")
I installed the dental segmentator extension to automatically segment the cbct. I download the cbct, click apply, and the download begins, which lasts indefinitely. nvidia rtx 4070 gpu. then I entered this command (slice… --- ## [ATLAS - BUILDER producing inverted template meshes?](https://discourse.slicer.org/t/atlas-builder-producing-inverted-template-meshes/46747)
**Author:** [@raranda22](https://discourse.slicer.org/u/raranda22)\ **Replies:** 2\ **Last updated:** [April 15, 2026, 3:59pm UTC](https://discourse.slicer.org/t/atlas-builder-producing-inverted-template-meshes/46747 "2026-04-15T15:59:12Z")
Hello, I’ve been attempting to make a template mesh via the BUILDER module of ATLAS. I’ve made several of these with different datasets, but this time it appears the template mesh produced is “inverted”. As you can see,… --- ## [Enabling release option on an extension repo](https://discourse.slicer.org/t/enabling-release-option-on-an-extension-repo/45868)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 2\ **Last updated:** [January 23, 2026, 5:31am UTC](https://discourse.slicer.org/t/enabling-release-option-on-an-extension-repo/45868 "2026-01-23T05:31:07Z")
I need make a release for a publication purposes. By default we disable the release option in any Slicer extension repository. Would enabling it break something? --- ## [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)
**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")
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 … --- ## [No PW Meeting this (Dec 23rd)](https://discourse.slicer.org/t/no-pw-meeting-this-dec-23rd/45585)
**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 0\ **Last updated:** [December 22, 2025, 2:49pm UTC](https://discourse.slicer.org/t/no-pw-meeting-this-dec-23rd/45585 "2025-12-22T14:49:51Z")
Enjoy the holidays! – The PW organizing committee: Tina Kapur, Simon Drouin, Rafael Palomar, Sam Horvath, Theodore Aptekarev --- ## [Segmentation in Windows 11 extremely slow](https://discourse.slicer.org/t/segmentation-in-windows-11-extremely-slow/45473)
**Author:** [@NSLight](https://discourse.slicer.org/u/NSLight)\ **Replies:** 1\ **Last updated:** [December 13, 2025, 6:51pm UTC](https://discourse.slicer.org/t/segmentation-in-windows-11-extremely-slow/45473 "2025-12-13T18:51:24Z")
Operating System - Windows 11 Slicer 3D Version - 5.8.1 I have been everywhere on the forum, tried different solutions but nothing seems to work. I am working on a dataset (Brain Angio-CT) and trying to segment vessel… --- ## [Create new cfg error RadRenderer](https://discourse.slicer.org/t/create-new-cfg-error-radrenderer/46809)
**Author:** [@Jeffrey\_K\_Spear](https://discourse.slicer.org/u/Jeffrey_K_Spear)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 9:13pm UTC](https://discourse.slicer.org/t/create-new-cfg-error-radrenderer/46809 "2026-04-22T21:13:45Z")
Hello, I am trying to create a new .cfg file. I launch Autoscoper, click ‘new file’, add the calibration files, radiographs (), and partial volumes. When I click ‘OK’ Autoscoper shuts down and the following error gets s… --- ## [Request for Source Code or Alternatives Extension/Plugins Similar to " Colon CAD in 3D Slicer"](https://discourse.slicer.org/t/request-for-source-code-or-alternatives-extension-plugins-similar-to-colon-cad-in-3d-slicer/47846)
**Author:** [@qn\_Huynh](https://discourse.slicer.org/u/qn_Huynh)\ **Replies:** 1\ **Last updated:** [August 10, 2026, 5:49pm UTC](https://discourse.slicer.org/t/request-for-source-code-or-alternatives-extension-plugins-similar-to-colon-cad-in-3d-slicer/47846 "2026-08-10T17:49:10Z")
Request for Source Code or Alternatives Extension/Plugins Similar to " Colon CAD in 3D Slicer" I am very interested in the project developed by Xu and colleagues, entitled “An Open-Source Implementation of Colon CAD in … --- ## [Visual DICOM browser update](https://discourse.slicer.org/t/visual-dicom-browser-update/45998)
**Author:** [@Davide\_Punzo](https://discourse.slicer.org/u/Davide_Punzo)\ **Replies:** 1\ **Last updated:** [January 30, 2026, 1:09pm UTC](https://discourse.slicer.org/t/visual-dicom-browser-update/45998 "2026-01-30T13:09:40Z")
Hey everyone, I have been working on major improvements to the visual DICOM browser: :bullseye: What’s New Performance for large datasets (both remote and local) Optimized for \>100GB databases Lazy thumbnail gener… --- ## [Brain Modelling](https://discourse.slicer.org/t/brain-modelling/46154)
**Author:** [@nakcali](https://discourse.slicer.org/u/nakcali)\ **Replies:** 2\ **Last updated:** [February 14, 2026, 3:36pm UTC](https://discourse.slicer.org/t/brain-modelling/46154 "2026-02-14T15:36:52Z")
Hello, Can someone help me? I am trying to create a 3D model of my brain. I am using Swiss Skull Stripper, but I am not able to do it properly. It looks like lego brain. My MRI data seem to be divided into several grou… --- ## [Extrac Silhouette point clouds of each sagittal slice](https://discourse.slicer.org/t/extrac-silhouette-point-clouds-of-each-sagittal-slice/48262)
**Author:** [@mrrezaie](https://discourse.slicer.org/u/mrrezaie)\ **Replies:** 1\ **Last updated:** [September 25, 2026, 11:15am UTC](https://discourse.slicer.org/t/extrac-silhouette-point-clouds-of-each-sagittal-slice/48262 "2026-09-25T11:15:55Z")
Hi, I’m trying to: convert the segmentation to label map extract the Silhouette (outer contour) in each slice. get the points of the Silhouette create a point cloud from all slices But the output the following Python… --- ## [No new mac extensions for stable](https://discourse.slicer.org/t/no-new-mac-extensions-for-stable/47768)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 1\ **Last updated:** [July 31, 2026, 1:53pm UTC](https://discourse.slicer.org/t/no-new-mac-extensions-for-stable/47768 "2026-07-31T13:53:59Z")
Cdash shows no mac extensions being build for MacOS for today. That doesn’t seem like the usual lateness to me: SlicerStable @ebrahim @Sam\_Horvath --- ## [Stable Release 5.1 Cannot be Opened Because Developer is Unverified](https://discourse.slicer.org/t/stable-release-5-1-cannot-be-opened-because-developer-is-unverified/47389)
**Author:** [@JHegg](https://discourse.slicer.org/u/JHegg)\ **Replies:** 1\ **Last updated:** [June 20, 2026, 3:18pm UTC](https://discourse.slicer.org/t/stable-release-5-1-cannot-be-opened-because-developer-is-unverified/47389 "2026-06-20T15:18:10Z")
Hello, I recently downloaded the latest stable version of slicer for MacOS and updated from a prior version. However, I get the “Cannot be opened because the developer cannot be verified error”. I am aware that the pre… --- ## [Volume rendering rainbow hue?](https://discourse.slicer.org/t/volume-rendering-rainbow-hue/47319)
**Author:** [@PitaChib](https://discourse.slicer.org/u/PitaChib)\ **Replies:** 1\ **Last updated:** [June 11, 2026, 5:17pm UTC](https://discourse.slicer.org/t/volume-rendering-rainbow-hue/47319 "2026-06-11T17:17:54Z")
Hi all, I’m working with a ct scanned skull, and I used the preset microCT bone 16 bit preset to display my volume. However, no matter how I toggle the intensity settings and the advanced things, this hue exists, and as … --- ## [Publishing a new Slicer Python extension](https://discourse.slicer.org/t/publishing-a-new-slicer-python-extension/46506)
**Author:** [@MaxHoges](https://discourse.slicer.org/u/MaxHoges)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 9:19pm UTC](https://discourse.slicer.org/t/publishing-a-new-slicer-python-extension/46506 "2026-03-19T21:19:50Z")
Hi all, I’ve been developing a Slicer extension in Python over the past 6 months to perform material mapping of Young’s modulus onto meshes from CT data, using Dr Elise Pegg’s project to perform the main material mappin… --- ## [Landmark registration overlay not showing up](https://discourse.slicer.org/t/landmark-registration-overlay-not-showing-up/45965)
**Author:** [@RHB](https://discourse.slicer.org/u/RHB)\ **Replies:** 2\ **Last updated:** [January 28, 2026, 3:25pm UTC](https://discourse.slicer.org/t/landmark-registration-overlay-not-showing-up/45965 "2026-01-28T15:25:02Z")
Hi, I have 2 2D oct slices that I want to register mutually, these are not 3D volume, just retinal 2D slice and previously I tried to do Landmark registration using these, it worked. Now after that I am trying to do the… --- ## [Multi slice variable intensity threshold (Grow from seeds)](https://discourse.slicer.org/t/multi-slice-variable-intensity-threshold-grow-from-seeds/47661)
**Author:** [@Sanjib\_Gurung](https://discourse.slicer.org/u/Sanjib_Gurung)\ **Replies:** 1\ **Last updated:** [July 22, 2026, 2:24am UTC](https://discourse.slicer.org/t/multi-slice-variable-intensity-threshold-grow-from-seeds/47661 "2026-07-22T02:24:15Z")
Hi, I frequently use Grow from Seeds to generate 3D blood pool models from cardiovascular MRI and CT DICOM images. In these datasets, the blood pool intensity (or Hounsfield Units in CT) often varies across different s… --- ## [Errores. No funciona nada](https://discourse.slicer.org/t/errores-no-funciona-nada/47706)
**Author:** [@Gonzalo\_Rossel](https://discourse.slicer.org/u/Gonzalo_Rossel)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 5:54pm UTC](https://discourse.slicer.org/t/errores-no-funciona-nada/47706 "2026-07-21T17:54:33Z")
Problem report for 3D Slicer 5.12.1 win-amd64: \[please describe expectedand actual behavior\] \[DEBUG\]\[Qt\] 20.07.2026 22:50:48 (unknown:0) - Session start time …: 20260720\_225048 \[DEBUG\]\[Qt\] 20.07.2026 22:50:48 (unknow… --- ## [About image comparison function](https://discourse.slicer.org/t/about-image-comparison-function/46360)
**Author:** [@ZhouMo](https://discourse.slicer.org/u/ZhouMo)\ **Replies:** 1\ **Last updated:** [March 2, 2026, 7:13pm UTC](https://discourse.slicer.org/t/about-image-comparison-function/46360 "2026-03-02T19:13:49Z")
Hello all, I am a new user of 3D slicer. Currently, I want to achieve the image comparison function, which means I hope to be able to open two images simultaneously (such as CT images of the same patient at different ti… --- ## [Alpaca template selection K-means](https://discourse.slicer.org/t/alpaca-template-selection-k-means/45963)
**Author:** [@Stephan\_Collins](https://discourse.slicer.org/u/Stephan_Collins)\ **Replies:** 1\ **Last updated:** [January 28, 2026, 3:52pm UTC](https://discourse.slicer.org/t/alpaca-template-selection-k-means/45963 "2026-01-28T15:52:21Z")
Dear all, there’s something I did not understand in the ALPACA workflow. The plos one paper clearly explains the benefits of doing K means clustering and choosing templates that best match subgroups of data relative to … --- ## [Working Apple Silicon MPS workaround for DentalSegmentator / SlicerNNUnet under Rosetta](https://discourse.slicer.org/t/working-apple-silicon-mps-workaround-for-dentalsegmentator-slicernnunet-under-rosetta/47755)
**Author:** [@Carlo\_Strada](https://discourse.slicer.org/u/Carlo_Strada)\ **Replies:** 0\ **Last updated:** [July 28, 2026, 1:10pm UTC](https://discourse.slicer.org/t/working-apple-silicon-mps-workaround-for-dentalsegmentator-slicernnunet-under-rosetta/47755 "2026-07-28T13:10:03Z")
I tested a proof of concept that allows DentalSegmentator to use Apple Silicon GPU acceleration through MPS, while the main 3D Slicer application continues running as x86\_64 under Rosetta. Environment MacBook Pro with … --- ## [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)
**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")
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… --- ## [Segmenting Occipital Bone on a Head CT](https://discourse.slicer.org/t/segmenting-occipital-bone-on-a-head-ct/47777)
**Author:** [@Kate\_Sticha](https://discourse.slicer.org/u/Kate_Sticha)\ **Replies:** 1\ **Last updated:** [August 2, 2026, 11:49am UTC](https://discourse.slicer.org/t/segmenting-occipital-bone-on-a-head-ct/47777 "2026-08-02T11:49:51Z")
Operating system: 3D slicer Slicer version: 5.8.1 Expected behavior: I am trying to segment the occipital bone of a Head CT. I set the initial threshold to 226-3071 in order to capture the skull bone. I think use the c… --- ## [How to measure area of visceral and subcutaneous visceral fat on a single CT image (L3 level)?](https://discourse.slicer.org/t/how-to-measure-area-of-visceral-and-subcutaneous-visceral-fat-on-a-single-ct-image-l3-level/47262)
**Author:** [@Alexandre\_Bezerra](https://discourse.slicer.org/u/Alexandre_Bezerra)\ **Replies:** 1\ **Last updated:** [June 7, 2026, 12:00pm UTC](https://discourse.slicer.org/t/how-to-measure-area-of-visceral-and-subcutaneous-visceral-fat-on-a-single-ct-image-l3-level/47262 "2026-06-07T12:00:15Z")
Hello! is there an automatic or simple way to measure the area visceral and subcutaneous fat on a single CT slice? I am able to calculate the volume of fat on all slices of an exam, but can´t seem to find a way to select… --- ## [segmenting of mouse CT 3D dataset using a mouse phantom. ](https://discourse.slicer.org/t/segmenting-of-mouse-ct-3d-dataset-using-a-mouse-phantom/45301)
**Author:** [@Ayman\_Alshehabi](https://discourse.slicer.org/u/Ayman_Alshehabi)\ **Replies:** 1\ **Last updated:** [December 2, 2025, 9:56am UTC](https://discourse.slicer.org/t/segmenting-of-mouse-ct-3d-dataset-using-a-mouse-phantom/45301 "2025-12-02T09:56:28Z")
Hey you guys, im trying to segment 3D CT mouse data using the phantom developed by Digimouse\_Download - Biomedical Imaging Group" . I am having the difficulty to overlap the segmented phantom that i created with the mou… --- ## [Landmark-based alignment of separate CT elements](https://discourse.slicer.org/t/landmark-based-alignment-of-separate-ct-elements/46670)
**Author:** [@JaredAmudeo](https://discourse.slicer.org/u/JaredAmudeo)\ **Replies:** 2\ **Last updated:** [April 12, 2026, 11:31am UTC](https://discourse.slicer.org/t/landmark-based-alignment-of-separate-ct-elements/46670 "2026-04-12T11:31:49Z")
Dear all, I hope you are doing well. I am reaching out in search of guidance and advice. I would like to know whether it is possible, using landmarks or point-based methods (I am not very familiar with this, so I apolo… --- ## [Objects in-memory exchange between modules](https://discourse.slicer.org/t/objects-in-memory-exchange-between-modules/45770)
**Author:** [@Yaroslav\_Plutenko](https://discourse.slicer.org/u/Yaroslav_Plutenko)\ **Replies:** 2\ **Last updated:** [January 13, 2026, 6:59pm UTC](https://discourse.slicer.org/t/objects-in-memory-exchange-between-modules/45770 "2026-01-13T18:59:08Z")
Greeting! I’m developing a few scripted modules for plant MRI data processing and lifecycle management, two of which act as clients for a remote FastAPI server. The modules have different purposes; therefore, they are k… --- ## [How to use the extension SlicerHeart](https://discourse.slicer.org/t/how-to-use-the-extension-slicerheart/45964)
**Author:** [@hoangdinhau](https://discourse.slicer.org/u/hoangdinhau)\ **Replies:** 1\ **Last updated:** [May 20, 2026, 12:47pm UTC](https://discourse.slicer.org/t/how-to-use-the-extension-slicerheart/45964 "2026-05-20T12:47:47Z")
Hello everyone, Who can help me how to use the extention SlicerHeart: we have MRI and 512 slices CT Thank you --- ## [extensions have been installed but are not showing up under 'Welcome to Slicer' dropdown](https://discourse.slicer.org/t/extensions-have-been-installed-but-are-not-showing-up-under-welcome-to-slicer-dropdown/48244)
**Author:** [@julian.macdonald](https://discourse.slicer.org/u/julian.macdonald)\ **Replies:** 2\ **Last updated:** [September 23, 2026, 3:34pm UTC](https://discourse.slicer.org/t/extensions-have-been-installed-but-are-not-showing-up-under-welcome-to-slicer-dropdown/48244 "2026-09-23T15:34:04Z")
Hi. Hoping someone can help. I’ve installed 3DSlicer onto work laptop and have added various extensions (OpenDose3D, SlicerElastix and SlicerRT as examples) manually. They show up in ‘Manage Extensions’ (although they … --- ## [How to segment bad quality 4D MRI FLOW](https://discourse.slicer.org/t/how-to-segment-bad-quality-4d-mri-flow/47975)
**Author:** [@VERRUCKT](https://discourse.slicer.org/u/VERRUCKT)\ **Replies:** 1\ **Last updated:** [August 26, 2026, 1:24pm UTC](https://discourse.slicer.org/t/how-to-segment-bad-quality-4d-mri-flow/47975 "2026-08-26T13:24:14Z")
Hi everyone :slight\_smile: I’m working on aortic segmentation from 4D flow MRI. I’ve been using TotalSegmentator but results are poor, I assume mostly a domain issue, since it’s CT-trained, plus the low SNR of my data. … --- ## [Image corruption when loading single DICOM CT slice as Scalar Volume](https://discourse.slicer.org/t/image-corruption-when-loading-single-dicom-ct-slice-as-scalar-volume/47388)
**Author:** [@Martina\_Caro95](https://discourse.slicer.org/u/Martina_Caro95)\ **Replies:** 1\ **Last updated:** [June 20, 2026, 8:01pm UTC](https://discourse.slicer.org/t/image-corruption-when-loading-single-dicom-ct-slice-as-scalar-volume/47388 "2026-06-20T20:01:17Z")
Hi everyone, I am currently working on building a retrospective clinical database, extracting body composition and radiomic data from thoracic CT scans specifically at the T4 level. Our historical workflow involved expo… --- ## [Unable to import GE Vivid E95 4D echocardiography data into 3D Slicer](https://discourse.slicer.org/t/unable-to-import-ge-vivid-e95-4d-echocardiography-data-into-3d-slicer/47184)
**Author:** [@taki011](https://discourse.slicer.org/u/taki011)\ **Replies:** 1\ **Last updated:** [June 16, 2026, 10:19am UTC](https://discourse.slicer.org/t/unable-to-import-ge-vivid-e95-4d-echocardiography-data-into-3d-slicer/47184 "2026-06-16T10:19:17Z")
Hello, I am trying to import 4D cardiac ultrasound data from a GE Vivid E95 into 3D Slicer (using the SlicerHeart extension) but I have not been able to load the volumetric data successfully. What I have tried: 1. Ex… --- ## [How does the Margin (grow/shrink) effect handle anisotropic voxel spacing?](https://discourse.slicer.org/t/how-does-the-margin-grow-shrink-effect-handle-anisotropic-voxel-spacing/48113)
**Author:** [@Farah\_BH](https://discourse.slicer.org/u/Farah_BH)\ **Replies:** 1\ **Last updated:** [September 14, 2026, 10:10pm UTC](https://discourse.slicer.org/t/how-does-the-margin-grow-shrink-effect-handle-anisotropic-voxel-spacing/48113 "2026-09-14T22:10:31Z")
Hello, I’m using the Margin effect in Segment Editor to isotropically expand a segment on CT data with anisotropic voxel spacing. When I request a 3.00 mm margin, the UI reports an actual expansion of 2.9 × 2.9 × 2.5 mm… --- ## [Error using OpenDose 3D ](https://discourse.slicer.org/t/error-using-opendose-3d/46768)
**Author:** [@Oscar\_Azula](https://discourse.slicer.org/u/Oscar_Azula)\ **Replies:** 1\ **Last updated:** [August 21, 2026, 7:48am UTC](https://discourse.slicer.org/t/error-using-opendose-3d/46768 "2026-08-21T07:48:11Z")
Hello, I am working with patient images from a Lu-177 therapy study in 3D Slicer. After segmenting the organs and integrating the Absorbed dose rate, I am getting a mass of 0 for all segmented organs. I would apprecia… --- ## [Looking for cardiac CTA datasets suitable for left atrium and pulmonary vein STL reconstruction](https://discourse.slicer.org/t/looking-for-cardiac-cta-datasets-suitable-for-left-atrium-and-pulmonary-vein-stl-reconstruction/47418)
**Author:** [@shen\_mqshen](https://discourse.slicer.org/u/shen_mqshen)\ **Replies:** 1\ **Last updated:** [June 22, 2026, 6:11am UTC](https://discourse.slicer.org/t/looking-for-cardiac-cta-datasets-suitable-for-left-atrium-and-pulmonary-vein-stl-reconstruction/47418 "2026-06-22T06:11:24Z")
I need to segment left atrium and pulmonary veins. I need CTA data, I’ll really appreciate it. Thanks! --- ## [Free form cutting tool in segment editor is slower. ](https://discourse.slicer.org/t/free-form-cutting-tool-in-segment-editor-is-slower/47245)
**Author:** [@Chayce\_Ross](https://discourse.slicer.org/u/Chayce_Ross)\ **Replies:** 1\ **Last updated:** [June 16, 2026, 5:28am UTC](https://discourse.slicer.org/t/free-form-cutting-tool-in-segment-editor-is-slower/47245 "2026-06-16T05:28:39Z")
Recently the UI updated for the cutting tool in the segment editor to include new options like rectangle or circular cutting tools. These are much faster than the free form tool was/is. However, I feel like the performan… --- ## [Deletion of patients](https://discourse.slicer.org/t/deletion-of-patients/45183)
**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")
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? --- ## [Have Made Custom 3D Slicer Apps from Kitware – How to Access Them via Web Browser?](https://discourse.slicer.org/t/have-made-custom-3d-slicer-apps-from-kitware-how-to-access-them-via-web-browser/45021)
**Author:** [@software](https://discourse.slicer.org/u/software)\ **Replies:** 1\ **Last updated:** [November 10, 2025, 2:31pm UTC](https://discourse.slicer.org/t/have-made-custom-3d-slicer-apps-from-kitware-how-to-access-them-via-web-browser/45021 "2025-11-10T14:31:26Z")
Hi everyone, I have created some custom 3D Slicer apps using Kitware’s platform, and now I want to access them through a web browser. I’m looking for the easiest technique or approach to do this. Should I use a specifi… --- ## [Progress on Passthrough enabled while having SlicerVR open?](https://discourse.slicer.org/t/progress-on-passthrough-enabled-while-having-slicervr-open/46640)
**Author:** [@zachbrauer15](https://discourse.slicer.org/u/zachbrauer15)\ **Replies:** 2\ **Last updated:** [April 9, 2026, 12:21pm UTC](https://discourse.slicer.org/t/progress-on-passthrough-enabled-while-having-slicervr-open/46640 "2026-04-09T12:21:16Z")
Hello, My team is currently working on displaying a 3D render of a Clarius Ultrasound image within our Meta Quest 3. We would like to have passthrough enabled at the same time as the slicer module so that the user can v… --- ## [Technical terms translation](https://discourse.slicer.org/t/technical-terms-translation/46220)
**Author:** [@Antonio\_Oliveira](https://discourse.slicer.org/u/Antonio_Oliveira)\ **Replies:** 2\ **Last updated:** [February 19, 2026, 12:22am UTC](https://discourse.slicer.org/t/technical-terms-translation/46220 "2026-02-19T00:22:39Z")
There are some technical terms, not particular to any field, that upon translation come out as nonsensical due to that term not being used in the translated version. I’ll give one example, but I’ve come across others. I… --- ## [2026.04.07 Weekly Meeting](https://discourse.slicer.org/t/2026-04-07-weekly-meeting/46673)
**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 1\ **Last updated:** [April 7, 2026, 4:14pm UTC](https://discourse.slicer.org/t/2026-04-07-weekly-meeting/46673 "2026-04-07T16:14:37Z")
Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to … --- ## [Postdoc & Research Assistant Opening at Human iEEG Lab in NY](https://discourse.slicer.org/t/postdoc-research-assistant-opening-at-human-ieeg-lab-in-ny/46599)
**Author:** [@sjohnson](https://discourse.slicer.org/u/sjohnson)\ **Replies:** 0\ **Last updated:** [March 28, 2026, 12:37am UTC](https://discourse.slicer.org/t/postdoc-research-assistant-opening-at-human-ieeg-lab-in-ny/46599 "2026-03-28T00:37:06Z")
Dear all, The human intracranial EEG Laboratory (https://hbmlab-nyc.com) at The Feinstein Institutes for Medical Research – Hofstra Northwell School of Medicine in New York is looking for one postdoc and one research as… --- ## [MPR or reslice, saving planes](https://discourse.slicer.org/t/mpr-or-reslice-saving-planes/47765)
**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\ **Replies:** 1\ **Last updated:** [July 30, 2026, 2:41pm UTC](https://discourse.slicer.org/t/mpr-or-reslice-saving-planes/47765 "2026-07-30T14:41:53Z")
Is there a mechanism/extension to recall MPR/reslicing (interactive) planes? eg, I have two volumes in a scene, I reslice one, then switch to the other volume and reslice. Want to switch back to volume 1 and have its … --- ## [3D Slicer cannot display cardiac LGE MRI volume correctly – only a single line/slice is shown after DICOM import](https://discourse.slicer.org/t/3d-slicer-cannot-display-cardiac-lge-mri-volume-correctly-only-a-single-line-slice-is-shown-after-dicom-import/47748)
**Author:** [@yennys](https://discourse.slicer.org/u/yennys)\ **Replies:** 1\ **Last updated:** [July 27, 2026, 5:05pm UTC](https://discourse.slicer.org/t/3d-slicer-cannot-display-cardiac-lge-mri-volume-correctly-only-a-single-line-slice-is-shown-after-dicom-import/47748 "2026-07-27T17:05:12Z")
Hello everyone, I am using 3D Slicer for cardiac MRI (LGE/PSIR) image analysis. My goal is to perform registration and ROI-based analysis between pre- and post-procedure LGE images. However, I encountered an issue when… --- ## [2026.01.20 Weekly Meeting](https://discourse.slicer.org/t/2026-01-20-weekly-meeting/45833)
**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 1\ **Last updated:** [January 20, 2026, 4:25pm UTC](https://discourse.slicer.org/t/2026-01-20-weekly-meeting/45833 "2026-01-20T16:25:35Z")
Tomorrow, 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 Meeting - … --- ## [3D slicer not loading images](https://discourse.slicer.org/t/3d-slicer-not-loading-images/45211)
**Author:** [@amberlgilbert](https://discourse.slicer.org/u/amberlgilbert)\ **Replies:** 1\ **Last updated:** [November 24, 2025, 3:33pm UTC](https://discourse.slicer.org/t/3d-slicer-not-loading-images/45211 "2025-11-24T15:33:47Z")
Previously, when loading images this was working, however now the images are not opening and loading, the error displayed is shown below: \[Qt\] Error: \[Qt\] database disk image is malformed Unable to fetch row \[Qt\] SQL … --- ## [Issue with total segmentator - unrealiable outcome? and manual correction](https://discourse.slicer.org/t/issue-with-total-segmentator-unrealiable-outcome-and-manual-correction/45081)
**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")
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… --- ## [Missing menu items from Slicer Application macOS Ventura](https://discourse.slicer.org/t/missing-menu-items-from-slicer-application-macos-ventura/45983)
**Author:** [@juliangallaun](https://discourse.slicer.org/u/juliangallaun)\ **Replies:** 2\ **Last updated:** [January 29, 2026, 2:09pm UTC](https://discourse.slicer.org/t/missing-menu-items-from-slicer-application-macos-ventura/45983 "2026-01-29T14:09:41Z")
Hi, I seem to have the same problem as in a previous topic (Missing menu items from Slicer Application Main Window link), the Slicer’s Main Application menu seems to be missing (File, Edit, View and Help). see below I … --- ## [Resetting a transform in an existing node](https://discourse.slicer.org/t/resetting-a-transform-in-an-existing-node/48040)
**Author:** [@shai-ikko](https://discourse.slicer.org/u/shai-ikko)\ **Replies:** 1\ **Last updated:** [September 2, 2026, 3:02pm UTC](https://discourse.slicer.org/t/resetting-a-transform-in-an-existing-node/48040 "2026-09-02T15:02:19Z")
Hi, In my extension, in some context, I need to reset a transform to Identity, without changing its node otherwise (that is, I need to keep its state wrt volumes, display-nodes etc). When I first wrote this, a few years… --- ## [Question about why MIP results differ even when using a Slab Thickness large enough to cover the entire volume in the Slice Viewer](https://discourse.slicer.org/t/question-about-why-mip-results-differ-even-when-using-a-slab-thickness-large-enough-to-cover-the-entire-volume-in-the-slice-viewer/47351)
**Author:** [@Changyoon\_Lee](https://discourse.slicer.org/u/Changyoon_Lee)\ **Replies:** 1\ **Last updated:** [June 16, 2026, 1:20pm UTC](https://discourse.slicer.org/t/question-about-why-mip-results-differ-even-when-using-a-slab-thickness-large-enough-to-cover-the-entire-volume-in-the-slice-viewer/47351 "2026-06-16T13:20:05Z")
Hello, I have a question about an unexpected behavior I observed while checking MIP results using Slab Reconstruction in the 3D Slicer Slice Viewer. I tested this using the MRHead volume provided with 3D Slicer. The ac… [Previous page](https://discourse.slicer.org/top.md?page=9&per_page=50) [Next page](https://discourse.slicer.org/top.md?page=11&per_page=50)