# \#dicom

**URL:** https://discourse.slicer.org/tag/dicom/26.md

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

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## [Dicom3tools for DICOM validation available via pip and web app](https://discourse.slicer.org/t/dicom3tools-for-dicom-validation-available-via-pip-and-web-app/48212)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 3\
**Last updated:** [September 21, 2026, 4:00pm UTC](https://discourse.slicer.org/t/dicom3tools-for-dicom-validation-available-via-pip-and-web-app/48212 "2026-09-21T16:00:24Z")

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Reposted (with edits) from Dicom3tools binaries are now available via a PyPI package - Announcements - Imaging Data Commons Those of us who work with DICOM a lot (by desire or by necessity) know what dciodvfy is. The u…

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## [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)

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**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")

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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…

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## [Whole adult woman body ct scan and mri?](https://discourse.slicer.org/t/whole-adult-woman-body-ct-scan-and-mri/48054)

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**Author:** [@Melodicpinpon](https://discourse.slicer.org/u/Melodicpinpon)\
**Replies:** 4\
**Last updated:** [September 8, 2026, 1:51pm UTC](https://discourse.slicer.org/t/whole-adult-woman-body-ct-scan-and-mri/48054 "2026-09-08T13:51:50Z")

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Hi everyone, Can anyone please tell me where I could download a whole (young healthy) adult woman body ct scan and mri? I would be used to start building a libre 3D atlas of the woman’s anatomy.

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## [Soft-tissue segmentation: advice needed](https://discourse.slicer.org/t/soft-tissue-segmentation-advice-needed/48060)

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**Author:** [@Toumia\_Bessedik](https://discourse.slicer.org/u/Toumia_Bessedik)\
**Replies:** 0\
**Last updated:** [September 3, 2026, 10:20pm UTC](https://discourse.slicer.org/t/soft-tissue-segmentation-advice-needed/48060 "2026-09-03T22:20:55Z")

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Hello, I would like to get your opinion on an approach I am currently using to refine the segmentation of soft tissues in a head MRI. I used TotalSegmentator (MR) to automatically segment the soft tissues, particularly…

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## [Spect Ct Reconstruction ](https://discourse.slicer.org/t/spect-ct-reconstruction/48001)

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**Author:** [@JuanIgnacioElutchanz](https://discourse.slicer.org/u/JuanIgnacioElutchanz)\
**Replies:** 3\
**Last updated:** [August 30, 2026, 3:47pm UTC](https://discourse.slicer.org/t/spect-ct-reconstruction/48001 "2026-08-30T15:47:13Z")

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Hello everyone, I need some help in terms of spect reconstruction in 3dSlicer. I’m student of Nuclear Medicine in Uruguay, I’m currently working on a research project to present at the Uruguayan Con…

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## [Aligning STL anatomical models with MRI segmentations in 3D Slicer](https://discourse.slicer.org/t/aligning-stl-anatomical-models-with-mri-segmentations-in-3d-slicer/47983)

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**Author:** [@Toumia\_Bessedik](https://discourse.slicer.org/u/Toumia_Bessedik)\
**Replies:** 4\
**Last updated:** [August 27, 2026, 2:11pm UTC](https://discourse.slicer.org/t/aligning-stl-anatomical-models-with-mri-segmentations-in-3d-slicer/47983 "2026-08-27T14:11:01Z")

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Hi, I am working with an MRI of the head and I have existing STL models for several anatomical domains, including the skull, brain, soft tissue (ST), etc. I would like to use these STL models as references and align th…

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## [Tomografo EAGLE EDGE ](https://discourse.slicer.org/t/tomografo-eagle-edge/47862)

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**Author:** [@AMILCAR](https://discourse.slicer.org/u/AMILCAR)\
**Replies:** 1\
**Last updated:** [August 11, 2026, 3:05pm UTC](https://discourse.slicer.org/t/tomografo-eagle-edge/47862 "2026-08-11T15:05:04Z")

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Good morning. The radiology center has a Brazilian EAGLE EDGE CT scanner, and the slicer cannot read these DCM files. How can I solve this problem? Thank you very much for your help.

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## [Unable to load DICOM into sequence browser](https://discourse.slicer.org/t/unable-to-load-dicom-into-sequence-browser/47813)

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**Author:** [@Rene\_Mazuela](https://discourse.slicer.org/u/Rene_Mazuela)\
**Replies:** 2\
**Last updated:** [August 5, 2026, 9:05pm UTC](https://discourse.slicer.org/t/unable-to-load-dicom-into-sequence-browser/47813 "2026-08-05T21:05:07Z")

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We’re having an inconsistent issue in 3D Slicer with loading DICOM data as a sequence. Some team members can load a DICOM series into the Sequence Browser and select the proper frame, but others do not see the option to …

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## [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)

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**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")

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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…

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## [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/47746)

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**Author:** [@yennys](https://discourse.slicer.org/u/yennys)\
**Replies:** 0\
**Last updated:** [July 27, 2026, 11:12am 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/47746 "2026-07-27T11:12:33Z")

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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…

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## [How to segment ligaments on 3D T1w MRI images?](https://discourse.slicer.org/t/how-to-segment-ligaments-on-3d-t1w-mri-images/47705)

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**Author:** [@LuuTrinh](https://discourse.slicer.org/u/LuuTrinh)\
**Replies:** 0\
**Last updated:** [July 21, 2026, 2:38pm UTC](https://discourse.slicer.org/t/how-to-segment-ligaments-on-3d-t1w-mri-images/47705 "2026-07-21T14:38:12Z")

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Hi everyone, I am working on segmenting ligaments using 3D T1-weighted (T1w) MRI data in 3D Slicer, and I would appreciate some advice on the best workflow/tools for this task.

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## [Freelance Opportunity – 3D Slicer Expert for Dental CBCT Annotation Project](https://discourse.slicer.org/t/freelance-opportunity-3d-slicer-expert-for-dental-cbct-annotation-project/47704)

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**Author:** [@Visio](https://discourse.slicer.org/u/Visio)\
**Replies:** 0\
**Last updated:** [July 21, 2026, 2:38pm UTC](https://discourse.slicer.org/t/freelance-opportunity-3d-slicer-expert-for-dental-cbct-annotation-project/47704 "2026-07-21T14:38:07Z")

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Freelance Opportunity – 3D Slicer Expert for Dental CBCT Annotation Project We are looking for an experienced freelancer with hands-on knowledge of 3D Slicer and DICOM/CBCT imaging to support a research project in denta…

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## [Converting Radial Artery from DICOM ( CT files) and Segmentation using slicer manually and using slicer AI 3d segmentation for simulation](https://discourse.slicer.org/t/converting-radial-artery-from-dicom-ct-files-and-segmentation-using-slicer-manually-and-using-slicer-ai-3d-segmentation-for-simulation/47603)

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**Author:** [@Chandana](https://discourse.slicer.org/u/Chandana)\
**Replies:** 0\
**Last updated:** [July 13, 2026, 3:22am UTC](https://discourse.slicer.org/t/converting-radial-artery-from-dicom-ct-files-and-segmentation-using-slicer-manually-and-using-slicer-ai-3d-segmentation-for-simulation/47603 "2026-07-13T03:22:57Z")

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Operating system: Windows 11 Slicer version: 5.9 Expected behavior: clear radial artery stl Actual behavior: unclear lump with bone

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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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## [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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## [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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## [Registered SPECT DICOM export issue](https://discourse.slicer.org/t/registered-spect-dicom-export-issue/47347)

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**Author:** [@Sorawipat\_Intamoon](https://discourse.slicer.org/u/Sorawipat_Intamoon)\
**Replies:** 1\
**Last updated:** [June 15, 2026, 7:03pm UTC](https://discourse.slicer.org/t/registered-spect-dicom-export-issue/47347 "2026-06-15T19:03:09Z")

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Dear all, I am working on image-based internal dosimetry using multiple-time-point quantitative SPECT images. To align the images across time points, I registered each CT image to a reference CT and then applied the re…

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## [Exporting DICOM perfusion/cine as NIfTI gives only 1 dynamic (but Slicer shows 150 frames)](https://discourse.slicer.org/t/exporting-dicom-perfusion-cine-as-nifti-gives-only-1-dynamic-but-slicer-shows-150-frames/47163)

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**Author:** [@Demy](https://discourse.slicer.org/u/Demy)\
**Replies:** 0\
**Last updated:** [May 28, 2026, 7:37pm UTC](https://discourse.slicer.org/t/exporting-dicom-perfusion-cine-as-nifti-gives-only-1-dynamic-but-slicer-shows-150-frames/47163 "2026-05-28T19:37:10Z")

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Hi everyone, I am loading a DICOM perfusion/cine MRI dataset into 3D Slicer. In the DICOM browser, the series summary shows: Modality: MR Size: 180 × 208 Count: 150 frames So Slicer correctly detects that t…

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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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## [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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## [Help Non-linear Transform Error During Crop Volume / Total Segmentation](https://discourse.slicer.org/t/help-non-linear-transform-error-during-crop-volume-total-segmentation/46989)

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**Author:** [@jimenagonzalezsal](https://discourse.slicer.org/u/jimenagonzalezsal)\
**Replies:** 1\
**Last updated:** [May 11, 2026, 10:03pm UTC](https://discourse.slicer.org/t/help-non-linear-transform-error-during-crop-volume-total-segmentation/46989 "2026-05-11T22:03:02Z")

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Hi everyone!! I wanted to ask for some help. I’m trying to crop a volume and then add Total Segmentation, but whenever I try to either crop or create the segmentation from an MRI, a message appears stating: “Output volu…

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## [how to convert from sideaxis-4 to standard DICOM format](https://discourse.slicer.org/t/how-to-convert-from-sideaxis-4-to-standard-dicom-format/40908)

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**Author:** [@ng0177](https://discourse.slicer.org/u/ng0177)\
**Replies:** 1\
**Last updated:** [May 1, 2026, 7:22am UTC](https://discourse.slicer.org/t/how-to-convert-from-sideaxis-4-to-standard-dicom-format/40908 "2026-05-01T07:22:52Z")

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Hello, is anyone aware of how to convert from their format to standard DICOM so it can be read by 3Dslicer? Apparently, they are using a wrapper… Thanks!

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## [SlicerQR Development](https://discourse.slicer.org/t/slicerqr-development/15954)

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**Author:** [@spycolyf](https://discourse.slicer.org/u/spycolyf)\
**Replies:** 155\
**Last updated:** [April 27, 2026, 9:56am UTC](https://discourse.slicer.org/t/slicerqr-development/15954 "2026-04-27T09:56:37Z")

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@jcfr @pieper @lassoan @superlib Good Morning. I’m starting to think about how to deploy SlicerQR to 25,000 PCs across the Mayo Enterprise. After building the package, it consists of over 7000 files at a total size of o…

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## [Non-orthogonal IJK to RAS Direction Matrix](https://discourse.slicer.org/t/non-orthogonal-ijk-to-ras-direction-matrix/44644)

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**Author:** [@mwirtz](https://discourse.slicer.org/u/mwirtz)\
**Replies:** 8\
**Last updated:** [April 24, 2026, 12:58pm UTC](https://discourse.slicer.org/t/non-orthogonal-ijk-to-ras-direction-matrix/44644 "2026-04-24T12:58:57Z")

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Hey there! I am trying to load CT scans via the DICOM module, which have a non-zero GantryDetectorTilt (not 100% sure it is related) and it seems to cause a non-orthogonal IJK to RAS matrix (see screenshot). Also the ca…

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## [DICOM 2D cine MRI is imported as Scalar Volume](https://discourse.slicer.org/t/dicom-2d-cine-mri-is-imported-as-scalar-volume/46792)

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**Author:** [@aabrown100-git](https://discourse.slicer.org/u/aabrown100-git)\
**Replies:** 13\
**Last updated:** [April 22, 2026, 5:45am UTC](https://discourse.slicer.org/t/dicom-2d-cine-mri-is-imported-as-scalar-volume/46792 "2026-04-22T05:45:55Z")

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I have a DICOM file containing a cine MRI on a single slice of the heart (4-chamber slice). I want this to load as a Sequence. Instead, it is loaded as a scalar volume, so that each time frame is treated as a different z…

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## [OpenDose3D module is not loaded](https://discourse.slicer.org/t/opendose3d-module-is-not-loaded/36045)

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**Author:** [@Huihui](https://discourse.slicer.org/u/Huihui)\
**Replies:** 6\
**Last updated:** [April 13, 2026, 12:48am UTC](https://discourse.slicer.org/t/opendose3d-module-is-not-loaded/36045 "2026-04-13T00:48:53Z")

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Hi there, I’m trying to install OpedDose3D extension, but the module can not be loaded. Could anyone please help me? Thanks! Operating system: Windows Slicer version: 5.6.0 Expected behavior: Actual behavior:

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## [Issue with Visualizing 3D Movie After Converting Raw DICOM to Cartesian DICOM in 3D Slice](https://discourse.slicer.org/t/issue-with-visualizing-3d-movie-after-converting-raw-dicom-to-cartesian-dicom-in-3d-slice/42074)

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**Author:** [@federica-pixel](https://discourse.slicer.org/u/federica-pixel)\
**Replies:** 7\
**Last updated:** [April 7, 2026, 1:17am UTC](https://discourse.slicer.org/t/issue-with-visualizing-3d-movie-after-converting-raw-dicom-to-cartesian-dicom-in-3d-slice/42074 "2026-04-07T01:17:43Z")

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I came across information on converting 3D TEE data from raw DICOM to Cartesian DICOM using GE software. I am currently trying to achieve this and would greatly appreciate your insights. First, I downloaded SlicerHeart …

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## [Fast Model Align module not working in 3D Slicer 5.10.0](https://discourse.slicer.org/t/fast-model-align-module-not-working-in-3d-slicer-5-10-0/46645)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 1\
**Last updated:** [April 3, 2026, 4:02am UTC](https://discourse.slicer.org/t/fast-model-align-module-not-working-in-3d-slicer-5-10-0/46645 "2026-04-03T04:02:26Z")

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Hello Team, We installed the SlicerMorph extension successfully (it shows up in Extension Manager), but the Fast Model Align module is not working properly. When we open the module, we only see the Help & Acknowledge…

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## [Multi-Class Segmentation with CT + Aligned STL (Dental Dataset)](https://discourse.slicer.org/t/multi-class-segmentation-with-ct-aligned-stl-dental-dataset/46636)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 0\
**Last updated:** [April 2, 2026, 6:37am UTC](https://discourse.slicer.org/t/multi-class-segmentation-with-ct-aligned-stl-dental-dataset/46636 "2026-04-02T06:37:36Z")

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Operating system: Window Slicer version: 3 D Slicer 5. 10.0 :brain: Question: Multi-Class Segmentation with CT + Aligned STL (Dental Dataset) I am working on a dental AI dataset pipeline where I have: CT scan (DICO…

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## [Segmenting the skull base](https://discourse.slicer.org/t/segmenting-the-skull-base/29143)

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**Author:** [@Tannadrake](https://discourse.slicer.org/u/Tannadrake)\
**Replies:** 3\
**Last updated:** [March 31, 2026, 11:58am UTC](https://discourse.slicer.org/t/segmenting-the-skull-base/29143 "2026-03-31T11:58:37Z")

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Hello Slicer Community Background: I am a relatively new 3D slicer user. I am a neurosurgery resident with no programming experience. I am interested in using Slicer to segment neuroimaging for the purposes of 3D printi…

[Next page](https://discourse.slicer.org/tag/dicom/26.md?match_all_tags=true&page=1&tags%5B%5D=dicom)