# Latest

**URL:** https://discourse.slicer.org/latest.md?page=9

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

**Page:** 10

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## [Dúvida. Preciso de ajuda](https://discourse.slicer.org/t/duvida-preciso-de-ajuda/47519)

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**Author:** [@Candice\_Fabri](https://discourse.slicer.org/u/Candice_Fabri)\
**Replies:** 0\
**Last updated:** [July 1, 2026, 2:45pm UTC](https://discourse.slicer.org/t/duvida-preciso-de-ajuda/47519 "2026-07-01T14:45:43Z")

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Ola. Meu nome é Candice. Brasileira. Preciso de orientação como ler arquivo .mvl . Se tem alguma extensão ou algum programa para a conversão. Obrigada. Tendo dificuldade para exportar meu exame do aparelho de ultrasso…

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## [.vgl to 3D Slicer](https://discourse.slicer.org/t/vgl-to-3d-slicer/37475)

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**Author:** [@Mach\_3\_Turbo](https://discourse.slicer.org/u/Mach_3_Turbo)\
**Replies:** 14\
**Last updated:** [July 1, 2026, 2:40pm UTC](https://discourse.slicer.org/t/vgl-to-3d-slicer/37475 "2026-07-01T14:40:13Z")

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Hi, Maybe my question is very beginner, so I apologize for that. I would like to say that I totally don’t understand any specialized terms connected with CT scanning and X-ray. I just want to measure distances inside a …

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## [How to turn a python extension into a C++ one?](https://discourse.slicer.org/t/how-to-turn-a-python-extension-into-a-c-one/47476)

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**Author:** [@Long\_Zhang](https://discourse.slicer.org/u/Long_Zhang)\
**Replies:** 1\
**Last updated:** [July 1, 2026, 2:17pm UTC](https://discourse.slicer.org/t/how-to-turn-a-python-extension-into-a-c-one/47476 "2026-07-01T14:17:01Z")

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I want to speedup the extension, and I wonder if this is a feasible way. and how to do it.

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## [vtkPlanarContourToBinaryLabelmapConversionRule](https://discourse.slicer.org/t/vtkplanarcontourtobinarylabelmapconversionrule/47507)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 8\
**Last updated:** [July 1, 2026, 1:58pm UTC](https://discourse.slicer.org/t/vtkplanarcontourtobinarylabelmapconversionrule/47507 "2026-07-01T13:58:28Z")

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I am interested in creating a variant of SlicerRT/DicomRtImportExport/ConversionRules/vtkPlanarContourToClosedSurfaceConversionRule.cxx at master · SlicerRt/SlicerRT · GitHub that directly converts a 2D Planar Contour t…

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## [Using 3D slicer to make a bone model from MRI](https://discourse.slicer.org/t/using-3d-slicer-to-make-a-bone-model-from-mri/2403)

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**Author:** [@NAHL](https://discourse.slicer.org/u/NAHL)\
**Replies:** 3\
**Last updated:** [July 1, 2026, 9:29am UTC](https://discourse.slicer.org/t/using-3d-slicer-to-make-a-bone-model-from-mri/2403 "2026-07-01T09:29:00Z")

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Operating system: Windows 10 Slicer version: 4.8.0 I’m trying to make a bone model from MRI data using slicer. The idea is to colour each slice and then slicer constructs a 3d model. I’m quite new to the program. I’ve …

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## [2026.06.30 Weekly Meeting](https://discourse.slicer.org/t/2026-06-30-weekly-meeting/47493)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 12\
**Last updated:** [June 30, 2026, 5:20pm UTC](https://discourse.slicer.org/t/2026-06-30-weekly-meeting/47493 "2026-06-30T17:20:01Z")

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Title: 2026.06.30 Weekly Meeting Next Tuesday, 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: Google Meet meeting Agenda: Please post to this thr…

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## [Pyradiomics GLRLM crashing at native 100um resolution vs 250um](https://discourse.slicer.org/t/pyradiomics-glrlm-crashing-at-native-100um-resolution-vs-250um/47500)

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**Author:** [@oviya](https://discourse.slicer.org/u/oviya)\
**Replies:** 2\
**Last updated:** [June 29, 2026, 7:25pm UTC](https://discourse.slicer.org/t/pyradiomics-glrlm-crashing-at-native-100um-resolution-vs-250um/47500 "2026-06-29T19:25:43Z")

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Hello everyone! My name is Oviya, I’m an undergrad hoping to get a bit of help. I have been trying extract features from MRI images via a compute cluster, and have been successful with downsampled (250um) images (41MB).…

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## [Surface Registration Help](https://discourse.slicer.org/t/surface-registration-help/47499)

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**Author:** [@cgroth](https://discourse.slicer.org/u/cgroth)\
**Replies:** 1\
**Last updated:** [June 29, 2026, 5:38pm UTC](https://discourse.slicer.org/t/surface-registration-help/47499 "2026-06-29T17:38:26Z")

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New to 3D Slicer, so be gentle. Trying to do some comparisons of planned vs achieved tooth movements and I’m struggling to find the surface registration tool within SlicerCMF. What am I missing? Thanks!

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## [AI Agent Skills for 3D Slicer?](https://discourse.slicer.org/t/ai-agent-skills-for-3d-slicer/45893)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 6\
**Last updated:** [June 29, 2026, 9:56am UTC](https://discourse.slicer.org/t/ai-agent-skills-for-3d-slicer/45893 "2026-06-29T09:56:07Z")

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I noticed in the most recent release notes for VS Code support for “Agent Skills”, which are an open-standard platform-agnostic method of specifying helpful standards and domain-specific reference materials for AI Agents…

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## [Beginner to Slicer, SOFA, etc - Advice?](https://discourse.slicer.org/t/beginner-to-slicer-sofa-etc-advice/47469)

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**Author:** [@KarimA](https://discourse.slicer.org/u/KarimA)\
**Replies:** 1\
**Last updated:** [June 27, 2026, 12:49pm UTC](https://discourse.slicer.org/t/beginner-to-slicer-sofa-etc-advice/47469 "2026-06-27T12:49:38Z")

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Hello everyone, I’m a computer engineering undergrad (senior) new to 3DSlicer and related medical software. I have recently become interested in surgical robotics and have been working on a few research projects regardi…

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## [Volume reconstruction feature missing in v.5.12](https://discourse.slicer.org/t/volume-reconstruction-feature-missing-in-v-5-12/47475)

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**Author:** [@Olivier](https://discourse.slicer.org/u/Olivier)\
**Replies:** 0\
**Last updated:** [June 27, 2026, 9:38am UTC](https://discourse.slicer.org/t/volume-reconstruction-feature-missing-in-v-5-12/47475 "2026-06-27T09:38:24Z")

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After updating to v 5.12, VolumeReconstruction is in the module list but when I click on it I get: VolumeReconstruction module is not loaded Any suggestion other than downgrading to 5.10?

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## [Slicer 5.12.0 Extension Manager](https://discourse.slicer.org/t/slicer-5-12-0-extension-manager/47474)

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**Author:** [@kareem\_abdelaziz](https://discourse.slicer.org/u/kareem_abdelaziz)\
**Replies:** 0\
**Last updated:** [June 26, 2026, 9:47pm UTC](https://discourse.slicer.org/t/slicer-5-12-0-extension-manager/47474 "2026-06-26T21:47:10Z")

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Slicer version 5.12.0 extension manager not working , do i need ot manually install extensions from source ? I saw that the VR module openxr backend now support Passthorugh camera for the Meta Quest 3 and wanted to try …

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## [pyradiomics 3.1.1.dev111+g8ed579383, is it safe?](https://discourse.slicer.org/t/pyradiomics-3-1-1-dev111-g8ed579383-is-it-safe/47416)

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**Author:** [@aujinen](https://discourse.slicer.org/u/aujinen)\
**Replies:** 3\
**Last updated:** [June 26, 2026, 1:50pm UTC](https://discourse.slicer.org/t/pyradiomics-3-1-1-dev111-g8ed579383-is-it-safe/47416 "2026-06-26T13:50:26Z")

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I downloaded PyRadiomics using git clone https://github.com/AIM-Harvard/pyradiomics and installed it using uv sync according to the contents of “pyproject.toml” with C++ build tools of Microsoft “Build Tools for Visual S…

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## [Tooth segmentation in 2D panoramic dental radiographs](https://discourse.slicer.org/t/tooth-segmentation-in-2d-panoramic-dental-radiographs/47455)

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**Author:** [@DrPierreGAUSSEN](https://discourse.slicer.org/u/DrPierreGAUSSEN)\
**Replies:** 1\
**Last updated:** [June 26, 2026, 8:09am UTC](https://discourse.slicer.org/t/tooth-segmentation-in-2d-panoramic-dental-radiographs/47455 "2026-06-26T08:09:06Z")

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Je suis à la recherche d’un expert pour le développement rapide d’un module automatique de segmentation par dents d’une radiographie panoramique dentaire 2D. Dr Pierre GAUSSEN Sarl AGATHA

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## [Two SlicerMorph and MorphoDepot packaged extensions for todays Stable 5.12 build](https://discourse.slicer.org/t/two-slicermorph-and-morphodepot-packaged-extensions-for-todays-stable-5-12-build/47467)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 0\
**Last updated:** [June 25, 2026, 7:14pm UTC](https://discourse.slicer.org/t/two-slicermorph-and-morphodepot-packaged-extensions-for-todays-stable-5-12-build/47467 "2026-06-25T19:14:04Z")

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On a clean Slicer 5.12.0 (revision 34621) Linux install, installing SlicerMorph or MorphoDepot via the Extensions Manager (installExtensionFromServer) fails with “Failed to retrieve metadata for … extension”. The other e…

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## [Extension manager hangs and crashes Slicer 5.10 today](https://discourse.slicer.org/t/extension-manager-hangs-and-crashes-slicer-5-10-today/47452)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 3\
**Last updated:** [June 25, 2026, 6:14pm UTC](https://discourse.slicer.org/t/extension-manager-hangs-and-crashes-slicer-5-10-today/47452 "2026-06-25T18:14:52Z")

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I am using Slicer 5.10 on Windows, and wanted to add the model to model distance extension today. However, when I open the Extension Manager, I get a blank window and spinning waiting cursor for an indefinite period, ap…

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## [A web-based volume path tracer](https://discourse.slicer.org/t/a-web-based-volume-path-tracer/47447)

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**Author:** [@MikhailGorobets](https://discourse.slicer.org/u/MikhailGorobets)\
**Replies:** 2\
**Last updated:** [June 24, 2026, 9:27pm UTC](https://discourse.slicer.org/t/a-web-based-volume-path-tracer/47447 "2026-06-24T21:27:00Z")

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Hi everyone – I’ve been experimenting with browser-based medical volume rendering. It’s a volume path tracer that runs entirely in the browser. Under the hood it’s all C++ compiled to WebAssembly – Diligent Core’s WebGP…

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## [How to fix the cracking the window when I changed the opacity from the segmentation result?](https://discourse.slicer.org/t/how-to-fix-the-cracking-the-window-when-i-changed-the-opacity-from-the-segmentation-result/47415)

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**Author:** [@wnsdn0497](https://discourse.slicer.org/u/wnsdn0497)\
**Replies:** 2\
**Last updated:** [June 23, 2026, 3:13pm UTC](https://discourse.slicer.org/t/how-to-fix-the-cracking-the-window-when-i-changed-the-opacity-from-the-segmentation-result/47415 "2026-06-23T15:13:48Z")

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Hi, I am writing to fix the issue that I am encountering suddenly. All of sudden, the 3D slicer browser is cracked like below when I turned the opacity from 1.00 to somewhere. Is there anyone who faces the same issu…

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## [Visualizing 3D bounding boxes in Slicer Markups (Fiducials vs Lines) + JSON format question](https://discourse.slicer.org/t/visualizing-3d-bounding-boxes-in-slicer-markups-fiducials-vs-lines-json-format-question/47419)

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**Author:** [@khorlint](https://discourse.slicer.org/u/khorlint)\
**Replies:** 1\
**Last updated:** [June 22, 2026, 10:30pm UTC](https://discourse.slicer.org/t/visualizing-3d-bounding-boxes-in-slicer-markups-fiducials-vs-lines-json-format-question/47419 "2026-06-22T22:30:00Z")

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Description: I am working with 3D Slicer markups to debug an interactive model that uses prompt-based inputs (3D bounding boxes). My goal is to ensure that the voxel → world coordinate transformation is correct and that…

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## [Lattice structure segmentation](https://discourse.slicer.org/t/lattice-structure-segmentation/47417)

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**Author:** [@Tasrif-Ul\_Anwar](https://discourse.slicer.org/u/Tasrif-Ul_Anwar)\
**Replies:** 1\
**Last updated:** [June 22, 2026, 10:17pm UTC](https://discourse.slicer.org/t/lattice-structure-segmentation/47417 "2026-06-22T22:17:48Z")

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We are working with a 3D-printed TPMS lattice structure (fig b) that was tested under compression (we have 4 scans at different loading). I am currently segmenting the sample so that we can compare the deformation of ind…

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## [Measuring diameter of mouse lung airway](https://discourse.slicer.org/t/measuring-diameter-of-mouse-lung-airway/47396)

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**Author:** [@ljuno](https://discourse.slicer.org/u/ljuno)\
**Replies:** 5\
**Last updated:** [June 22, 2026, 4:31pm UTC](https://discourse.slicer.org/t/measuring-diameter-of-mouse-lung-airway/47396 "2026-06-22T16:31:37Z")

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Hi all, I have created this segmentation of part of the airways of a mouse lung. The images were generated from lightsheet microscopy and I used various tools to segment them - thresholding, painting, etc. I eventually …

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## [NIfTI (.nii.gz) loading failure for TotalSegmentator samples in 3D Slicer 5.10.0 on Apple M4 Pro](https://discourse.slicer.org/t/nifti-nii-gz-loading-failure-for-totalsegmentator-samples-in-3d-slicer-5-10-0-on-apple-m4-pro/47405)

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**Author:** [@khorlint](https://discourse.slicer.org/u/khorlint)\
**Replies:** 2\
**Last updated:** [June 22, 2026, 3:18pm UTC](https://discourse.slicer.org/t/nifti-nii-gz-loading-failure-for-totalsegmentator-samples-in-3d-slicer-5-10-0-on-apple-m4-pro/47405 "2026-06-22T15:18:29Z")

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Description: I am encountering a consistent error when loading multiple samples from the TotalSegmentator dataset in 3D Slicer (version 5.10.0) on an Apple M4 Pro machine. Environment: 3D Slicer version: 5.10.0 OS: m…

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## [plugin specialized in segmenting layers in the abdominal wall](https://discourse.slicer.org/t/plugin-specialized-in-segmenting-layers-in-the-abdominal-wall/47427)

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**Author:** [@arcsurgery](https://discourse.slicer.org/u/arcsurgery)\
**Replies:** 0\
**Last updated:** [June 22, 2026, 12:41pm UTC](https://discourse.slicer.org/t/plugin-specialized-in-segmenting-layers-in-the-abdominal-wall/47427 "2026-06-22T12:41:07Z")

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Is there a plugin that can segment the layers in the abdominal wall?

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## [slicer.modules.SegmentEditorWidget does not exists anymore](https://discourse.slicer.org/t/slicer-modules-segmenteditorwidget-does-not-exists-anymore/47334)

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**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 3\
**Last updated:** [June 22, 2026, 8:19am UTC](https://discourse.slicer.org/t/slicer-modules-segmenteditorwidget-does-not-exists-anymore/47334 "2026-06-22T08:19:42Z")

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I haven’t updated Slicer for a while, but now my .slicerrc does not work as usual. I have the line slicer.modules.SegmentEditorWidget.editor.findChild( "QWidget", "EffectsGroupBox" ), but in the newest Slicer version the…

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## [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)

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**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")

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I need to segment left atrium and pulmonary veins. I need CTA data, I’ll really appreciate it. Thanks!

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## [Brain MRI Gray Matter](https://discourse.slicer.org/t/brain-mri-gray-matter/47420)

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**Author:** [@bruce2647](https://discourse.slicer.org/u/bruce2647)\
**Replies:** 0\
**Last updated:** [June 22, 2026, 6:10am UTC](https://discourse.slicer.org/t/brain-mri-gray-matter/47420 "2026-06-22T06:10:07Z")

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Continuing the discussion from Brain MRI Gray Matter Segmentation: Fatima explained this really well. The point about thresholding not capturing cortical surface detail properly is probably the key issue here, especial…

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## [Late-breaking abstracts for IST 2026 (Banff): submit July 22 to August 19](https://discourse.slicer.org/t/late-breaking-abstracts-for-ist-2026-banff-submit-july-22-to-august-19/47403)

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**Author:** [@Graham\_Little](https://discourse.slicer.org/u/Graham_Little)\
**Replies:** 0\
**Last updated:** [June 20, 2026, 9:38pm UTC](https://discourse.slicer.org/t/late-breaking-abstracts-for-ist-2026-banff-submit-july-22-to-august-19/47403 "2026-06-20T21:38:20Z")

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Dear colleagues, Registration for IST 2026 in Banff is open, and we are adding a late-breaking abstract window for work that wasn’t ready by the spring deadline. If you have new results, this is a second route onto the …

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## [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)

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**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")

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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…

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## [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)

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**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")

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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…

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## [Partial GPA idea for slicermorph](https://discourse.slicer.org/t/partial-gpa-idea-for-slicermorph/47387)

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**Author:** [@Stephan\_Collins](https://discourse.slicer.org/u/Stephan_Collins)\
**Replies:** 3\
**Last updated:** [June 19, 2026, 5:24pm UTC](https://discourse.slicer.org/t/partial-gpa-idea-for-slicermorph/47387 "2026-06-19T17:24:27Z")

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Dear all, Dear all, I am writing from a conference where I am learning a great deal about morphogeometry, which is quite far from my original background. One issue that has come up, and that I have also encountered wh…

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