# Latest

**URL:** https://discourse.slicer.org/latest.md?page=12

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

**Page:** 13

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## [New slicer-skill ai tool](https://discourse.slicer.org/t/new-slicer-skill-ai-tool/46243)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 30\
**Last updated:** [May 26, 2026, 4:49pm UTC](https://discourse.slicer.org/t/new-slicer-skill-ai-tool/46243 "2026-05-26T16:49:01Z")

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After learning from previous experiments, several productive discussions at project week and at the last developer meeting, I put together this slicer-skill that can be used with coding agents like Claude code. It invol…

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## [Obscuring Bone Removal for 3D Viz of Cardiac CTA](https://discourse.slicer.org/t/obscuring-bone-removal-for-3d-viz-of-cardiac-cta/47095)

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**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\
**Replies:** 1\
**Last updated:** [May 26, 2026, 11:46am UTC](https://discourse.slicer.org/t/obscuring-bone-removal-for-3d-viz-of-cardiac-cta/47095 "2026-05-26T11:46:08Z")

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Basically trying to automatically mask the spine and ribs. Or Mask everything but the spine and ribs. Thresholding is not good. Need to retain all heart calcium and blood.. TotalSegmentator does not completely segment …

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## [Automatation of Centerline](https://discourse.slicer.org/t/automatation-of-centerline/30318)

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**Author:** [@Charlie\_Hayward](https://discourse.slicer.org/u/Charlie_Hayward)\
**Replies:** 3\
**Last updated:** [May 25, 2026, 1:40pm UTC](https://discourse.slicer.org/t/automatation-of-centerline/30318 "2026-05-25T13:40:13Z")

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Hi all, I am looking to automate the vmtkcenterlines function in order to be able to run it on a server. It seems that my option is to have open profiles and use seed selector. This causes an issue because I need the ent…

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## [PlusToolkit with GE Ultrasound using AppAPI + OpenIGTLink](https://discourse.slicer.org/t/plustoolkit-with-ge-ultrasound-using-appapi-openigtlink/47133)

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**Author:** [@nicxo99](https://discourse.slicer.org/u/nicxo99)\
**Replies:** 0\
**Last updated:** [May 24, 2026, 8:34am UTC](https://discourse.slicer.org/t/plustoolkit-with-ge-ultrasound-using-appapi-openigtlink/47133 "2026-05-24T08:34:32Z")

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Hello! I am trying to connect a GE ultrasound machine to the Plus framework for free-hand calibration (fCal). I am using Slicer to check that the data is valid. I wrote a small program in C++ that sends image data using…

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## [Software Developer - Image-Guided Surgical Navigation](https://discourse.slicer.org/t/software-developer-image-guided-surgical-navigation/47132)

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**Author:** [@arish](https://discourse.slicer.org/u/arish)\
**Replies:** 0\
**Last updated:** [May 24, 2026, 8:34am UTC](https://discourse.slicer.org/t/software-developer-image-guided-surgical-navigation/47132 "2026-05-24T08:34:20Z")

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ClaroNav Dental develops real-time image-guided navigation systems for precision surgery. Our systems combine 3D imaging, optical tracking, registration, visualization, and workflow guidance, and are used in clinical pra…

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## [Converting 3d STL files into ultrasound](https://discourse.slicer.org/t/converting-3d-stl-files-into-ultrasound/47131)

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**Author:** [@dirtgrub](https://discourse.slicer.org/u/dirtgrub)\
**Replies:** 0\
**Last updated:** [May 24, 2026, 8:33am UTC](https://discourse.slicer.org/t/converting-3d-stl-files-into-ultrasound/47131 "2026-05-24T08:33:56Z")

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I’m trying to create an ultrasound trainer, i have the files for a 3d STL of the area but I am wondering how I can go about converting all of this into an ultrasound

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## [On end capping in slicer vs a commercial software ( Treatment Planning System)](https://discourse.slicer.org/t/on-end-capping-in-slicer-vs-a-commercial-software-treatment-planning-system/47118)

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**Author:** [@G\_Tom](https://discourse.slicer.org/u/G_Tom)\
**Replies:** 2\
**Last updated:** [May 22, 2026, 10:32pm UTC](https://discourse.slicer.org/t/on-end-capping-in-slicer-vs-a-commercial-software-treatment-planning-system/47118 "2026-05-22T22:32:56Z")

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I have exported a structure which is a simple sphere from Eclipse to slicer via DICOM export/import I noticed some difference at the “end caps” in slicer. I compare the result with a commercial software, Varian Eclipse.…

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## [Slicermorph- Segment Endocranium Taking Too Long](https://discourse.slicer.org/t/slicermorph-segment-endocranium-taking-too-long/47093)

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**Author:** [@PitaChib](https://discourse.slicer.org/u/PitaChib)\
**Replies:** 4\
**Last updated:** [May 21, 2026, 11:15pm UTC](https://discourse.slicer.org/t/slicermorph-segment-endocranium-taking-too-long/47093 "2026-05-21T23:15:02Z")

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Hi all, I’ve been doing rodent endocast with wrap solidify for a bit with success, but I’ve always been curious to try out segment endocranium feature automatically. Before I thought my computer was not good enough, but …

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## [Next PW Prep meeting Tues May 26 at 10 AM ET](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-may-26-at-10-am-et/47113)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [May 21, 2026, 8:37pm UTC](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-may-26-at-10-am-et/47113 "2026-05-21T20:37:05Z")

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Dear Project Week community, The next project week preparation meeting will be next Tuesday, May 26, at 10:00 AM ET. (2026-05-26T14:00:00Z (UTC)) If you are interested in discussing a possible project, please reply to …

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## [trame-slicer v1.9.0 - v1.11.0 highlights](https://discourse.slicer.org/t/trame-slicer-v1-9-0-v1-11-0-highlights/47112)

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**Author:** [@Thibault\_Pelletier](https://discourse.slicer.org/u/Thibault_Pelletier)\
**Replies:** 0\
**Last updated:** [May 21, 2026, 8:30pm UTC](https://discourse.slicer.org/t/trame-slicer-v1-9-0-v1-11-0-highlights/47112 "2026-05-21T20:30:51Z")

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We are pleased to announced a series of recent trame-slicer additions which have added significant improvements to segmentation, application structure and core compatibility. Standalone Version: Trame slicer can now be…

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## [SwissSkullStripper is having trouble with multiple splices, and so am I](https://discourse.slicer.org/t/swissskullstripper-is-having-trouble-with-multiple-splices-and-so-am-i/47111)

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**Author:** [@HomerHaddock](https://discourse.slicer.org/u/HomerHaddock)\
**Replies:** 0\
**Last updated:** [May 21, 2026, 8:30pm UTC](https://discourse.slicer.org/t/swissskullstripper-is-having-trouble-with-multiple-splices-and-so-am-i/47111 "2026-05-21T20:30:45Z")

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I am having trouble with getting a CT scan exported. The scan has one splice for X, Y, and Z where it gets the most quality. To show my problem I used the scan best used on the horizontal plane (It has the most imaging…

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## [Qt6 build: close scene and discard modifications is ignored](https://discourse.slicer.org/t/qt6-build-close-scene-and-discard-modifications-is-ignored/47108)

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**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Replies:** 0\
**Last updated:** [May 21, 2026, 5:10pm UTC](https://discourse.slicer.org/t/qt6-build-close-scene-and-discard-modifications-is-ignored/47108 "2026-05-21T17:10:34Z")

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I am experimenting with using Slicer built with Qt6 on Arch Linux on a daily basis. When a scene is closed, the SaveBeforeClosingScene appears. When the Close scene (discard modifications) button is clicked, the scene i…

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## [How to use the extension SlicerHeart](https://discourse.slicer.org/t/how-to-use-the-extension-slicerheart/45964)

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**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")

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Hello everyone, Who can help me how to use the extention SlicerHeart: we have MRI and 512 slices CT Thank you

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## [Improved python package installation: slicer.packaging](https://discourse.slicer.org/t/improved-python-package-installation-slicer-packaging/47088)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 0\
**Last updated:** [May 19, 2026, 3:58pm UTC](https://discourse.slicer.org/t/improved-python-package-installation-slicer-packaging/47088 "2026-05-19T15:58:35Z")

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An improved python package installation experience is now available out of the box for extension developers: slicer.packaging. This feature was merged about a month ago and is available in the preview version of Slicer. …

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## [Displace the axes idependently of the plane + navigate in time (4D-flow MRI dataset) + coding preset in python](https://discourse.slicer.org/t/displace-the-axes-idependently-of-the-plane-navigate-in-time-4d-flow-mri-dataset-coding-preset-in-python/47080)

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**Author:** [@jceb](https://discourse.slicer.org/u/jceb)\
**Replies:** 0\
**Last updated:** [May 19, 2026, 12:33pm UTC](https://discourse.slicer.org/t/displace-the-axes-idependently-of-the-plane-navigate-in-time-4d-flow-mri-dataset-coding-preset-in-python/47080 "2026-05-19T12:33:20Z")

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Dear 3D Slicer community First many thanks to developers and maintainers of this incredible software. I am working with 4D flow MRI datasets and have the following questions (if needed I can post separate questions) …

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## [Shift and wrap-around voxels transform](https://discourse.slicer.org/t/shift-and-wrap-around-voxels-transform/47022)

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**Author:** [@brizolara.lt](https://discourse.slicer.org/u/brizolara.lt)\
**Replies:** 4\
**Last updated:** [May 18, 2026, 9:55pm UTC](https://discourse.slicer.org/t/shift-and-wrap-around-voxels-transform/47022 "2026-05-18T21:55:33Z")

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Hi all, I would like to apply a shift in a definite direction (in my case, X) to the voxel values (not the coordinates) of a volume - keeping, thus, origin, spacing and dimensions intact. Also, I would like to wrap aro…

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## [Problems with extension manager](https://discourse.slicer.org/t/problems-with-extension-manager/47030)

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**Author:** [@jaimigray](https://discourse.slicer.org/u/jaimigray)\
**Replies:** 5\
**Last updated:** [May 18, 2026, 5:21pm UTC](https://discourse.slicer.org/t/problems-with-extension-manager/47030 "2026-05-18T17:21:36Z")

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Hi team! I’m having some problems with Slicer not loading the extensions manager correctly. This is happening with newer and older versions of slicer. When I launch Slicer, it opens a separate blank window called “vtkOut…

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## [2026.05.19 Weekly Meeting](https://discourse.slicer.org/t/2026-05-19-weekly-meeting/47000)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 1\
**Last updated:** [May 18, 2026, 5:20pm UTC](https://discourse.slicer.org/t/2026-05-19-weekly-meeting/47000 "2026-05-18T17:20:54Z")

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Title: 2026.05.19 Weekly Meeting Next Tuesday, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. Anyone is welcome to join at this link: Launch Meeting - Zoom Agenda: Please post to this t…

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## [Slicer.packaging library](https://discourse.slicer.org/t/slicer-packaging-library/47056)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 5\
**Last updated:** [May 18, 2026, 12:03pm UTC](https://discourse.slicer.org/t/slicer-packaging-library/47056 "2026-05-18T12:03:48Z")

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I came across this blog post on Linked in https://www.kitware.com/improving-python-dependency-handling-for-3d-slicer-extension-development/ The post says it is already integrated into the Slicer preview preview build. T…

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## [Segment Editor Paint tool stops working after the first stroke](https://discourse.slicer.org/t/segment-editor-paint-tool-stops-working-after-the-first-stroke/47036)

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**Author:** [@Riccardo\_Serenella](https://discourse.slicer.org/u/Riccardo_Serenella)\
**Replies:** 7\
**Last updated:** [May 18, 2026, 8:42am UTC](https://discourse.slicer.org/t/segment-editor-paint-tool-stops-working-after-the-first-stroke/47036 "2026-05-18T08:42:44Z")

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Hi everyone, I am experiencing a strange issue with the Segment Editor in 3D Slicer. When I create a new segmentation and use the Paint effect, the first paint stroke works correctly. However, immediately after that fi…

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## [Talk2View Community sub-topic](https://discourse.slicer.org/t/talk2view-community-sub-topic/47062)

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**Author:** [@benzwick](https://discourse.slicer.org/u/benzwick)\
**Replies:** 2\
**Last updated:** [May 18, 2026, 6:28am UTC](https://discourse.slicer.org/t/talk2view-community-sub-topic/47062 "2026-05-18T06:28:04Z")

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Is there any chance we could make a sub-topic for Talk2View? Talk2View, “the medical viewer you can talk to”, is available as a 3D Slicer Extension or as a 3D Slicer Custom Application. We also have an OHIF version at h…

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## ["Pull from Repo" for Dev Mode](https://discourse.slicer.org/t/pull-from-repo-for-dev-mode/47064)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 0\
**Last updated:** [May 18, 2026, 6:07am UTC](https://discourse.slicer.org/t/pull-from-repo-for-dev-mode/47064 "2026-05-18T06:07:12Z")

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I added a feature request for a button that allows to get the latest version of module’s python code from the source repository. A "Pull from repo" for DevMode · Issue #9160 · Slicer/Slicer · GitHub The primary driver i…

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## [DTI Alps results are low, below 1](https://discourse.slicer.org/t/dti-alps-results-are-low-below-1/42698)

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**Author:** [@ecgt](https://discourse.slicer.org/u/ecgt)\
**Replies:** 7\
**Last updated:** [May 17, 2026, 9:09pm UTC](https://discourse.slicer.org/t/dti-alps-results-are-low-below-1/42698 "2026-05-17T21:09:44Z")

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I am having low values for the index I did 40 controls and i have = 0.855±0.045 I did the procedure explained in the web What am I doing wrong?

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## [Fill in part of segment without adding whole model ](https://discourse.slicer.org/t/fill-in-part-of-segment-without-adding-whole-model/47045)

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**Author:** [@akelly17](https://discourse.slicer.org/u/akelly17)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 3:38pm UTC](https://discourse.slicer.org/t/fill-in-part-of-segment-without-adding-whole-model/47045 "2026-05-15T15:38:59Z")

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Hey all, I cannot seem to figure out how to get this section of my model to fill in (i.e: make the segment whole) without adding back the entire model. I have just figured out how the “masking” function works, and am sti…

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## [Possible issue with PSMA PET/CT DICOM loading and SUVbw recognition](https://discourse.slicer.org/t/possible-issue-with-psma-pet-ct-dicom-loading-and-suvbw-recognition/47020)

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**Author:** [@ranahashemi](https://discourse.slicer.org/u/ranahashemi)\
**Replies:** 2\
**Last updated:** [May 15, 2026, 12:24am UTC](https://discourse.slicer.org/t/possible-issue-with-psma-pet-ct-dicom-loading-and-suvbw-recognition/47020 "2026-05-15T00:24:51Z")

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Hello everyone, I encountered a possible issue when loading PSMA PET/CT DICOM files in 3D Slicer. When I select and load all DICOM files from DICOM database for one patient together, 3D Slicer does not seem to recogniz…

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## [difficulties finding some extensions](https://discourse.slicer.org/t/difficulties-finding-some-extensions/47035)

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**Author:** [@gloria.rossi](https://discourse.slicer.org/u/gloria.rossi)\
**Replies:** 1\
**Last updated:** [May 14, 2026, 9:45pm UTC](https://discourse.slicer.org/t/difficulties-finding-some-extensions/47035 "2026-05-14T21:45:15Z")

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Hi i cannot find some extension in the site @KitwareMedical/slicer-extensions-webapp I use stable version but I cannot find Totalsegmentator and PyTorch

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## [Next PW Prep meeting Tues May 19 at 10 AM ET](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-may-19-at-10-am-et/47039)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [May 14, 2026, 8:24pm UTC](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-may-19-at-10-am-et/47039 "2026-05-14T20:24:07Z")

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Dear Project Week community, The next project week preparation meeting will be next Tuesday, May 19, at 10:00 AM ET. (2026-05-19T14:00:00Z (UTC)) If you are interested in discussing a possible project, please reply to …

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## [How to find the calcification?](https://discourse.slicer.org/t/how-to-find-the-calcification/47033)

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**Author:** [@liam26](https://discourse.slicer.org/u/liam26)\
**Replies:** 0\
**Last updated:** [May 14, 2026, 6:38pm UTC](https://discourse.slicer.org/t/how-to-find-the-calcification/47033 "2026-05-14T18:38:20Z")

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Hi, I’m looking for some help with finding arterial calcification. I’m working from MRIs, looking for illiac, portal, vena cava, etc. My current process looks something like: Subtract all vertebrae from the artery (In c…

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## [ImageStacks module won't load full tiff stack](https://discourse.slicer.org/t/imagestacks-module-wont-load-full-tiff-stack/47016)

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**Author:** [@Jknaub](https://discourse.slicer.org/u/Jknaub)\
**Replies:** 5\
**Last updated:** [May 14, 2026, 4:39pm UTC](https://discourse.slicer.org/t/imagestacks-module-wont-load-full-tiff-stack/47016 "2026-05-14T16:39:03Z")

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Operating system: Windows 11 Slicer version: 5.8.1 Expected behavior: importing a tiff stack with the slicermorph ImageStacks (3,867 images) Actual behavior: only selects a subset of the stack Hello, I’m trying to i…

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## [New extension: RadReirradiation for radiotherapy reirradiation analysis and EQD2 dose accumulation](https://discourse.slicer.org/t/new-extension-radreirradiation-for-radiotherapy-reirradiation-analysis-and-eqd2-dose-accumulation/47028)

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**Author:** [@LuisParedesOcampo](https://discourse.slicer.org/u/LuisParedesOcampo)\
**Replies:** 0\
**Last updated:** [May 14, 2026, 2:23pm UTC](https://discourse.slicer.org/t/new-extension-radreirradiation-for-radiotherapy-reirradiation-analysis-and-eqd2-dose-accumulation/47028 "2026-05-14T14:23:00Z")

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Hi everyone, I’d like to introduce RadReirradiation, a new 3D Slicer extension designed to support clinical reirradiation workflows in radiotherapy. The extension provides the following features: • Voxel-by-voxel BED …

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