# Segmentation from 3D CT

**URL:** <https://discourse.slicer.org/t/segmentation-from-3d-ct/24726>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [August 12, 2022, 10:21am UTC](https://discourse.slicer.org/t/segmentation-from-3d-ct/24726 "2022-08-12T10:21:42Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![francesca\_flore](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/francesca_flore/32/15307_2.png) [@francesca\_flore](https://discourse.slicer.org/u/francesca_flore)\
**Post date:** [August 12, 2022, 10:21am UTC](https://discourse.slicer.org/t/segmentation-from-3d-ct/24726/1 "2022-08-12T10:21:42Z")

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Anyone know how to segment a 3D CT scan? Exist any extension to do this?

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/5/6/56cc21d3d8acb5ee13cd244e63db17192f2e9095.jpeg)

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**Author:** ![chir.set](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/chir.set/32/66982_2.png) [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Post date:** [August 12, 2022, 1:08pm UTC](https://discourse.slicer.org/t/segmentation-from-3d-ct/24726/2 "2022-08-12T13:08:10Z")

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Please refer to the [manual](https://slicer.readthedocs.io/en/latest/user_guide/modules/index.html#segmentation) for an in-depth discovery of the ‘Segment editor’ in particular.

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**Author:** ![francesca\_flore](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/francesca_flore/32/15307_2.png) [@francesca\_flore](https://discourse.slicer.org/u/francesca_flore)\
**Post date:** [August 12, 2022, 1:34pm UTC](https://discourse.slicer.org/t/segmentation-from-3d-ct/24726/3 "2022-08-12T13:34:09Z")

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The picture is not just a single view of the CT. Is a 3D view CT with a rotation of 15 degrees. So the question is if there is a way to segment directly on the 3D view. Because I have poor quality images in the different three views, instead of 3D you can see perfectly the areas that I would like to segment.

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**Author:** ![chir.set](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/chir.set/32/66982_2.png) [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Post date:** [August 12, 2022, 2:29pm UTC](https://discourse.slicer.org/t/segmentation-from-3d-ct/24726/4 "2022-08-12T14:29:19Z")

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> [@francesca\_flore](#):
>
> Is a 3D view CT

Ok, I thought you were referring to CT scan volumes usually shipped to clinicians as a pile of DICOM images.

The ‘3D view CT’ is foreign to me, may be someone else may be of better help here.

Is it possible to upload an anonymized dataset of this ‘3D view CT’ ? I would very much like to know what it is.

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**Author:** ![mohammed\_alshakhas](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mohammed_alshakhas/32/10025_2.png) [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Post date:** [August 13, 2022, 8:45am UTC](https://discourse.slicer.org/t/segmentation-from-3d-ct/24726/5 "2022-08-13T08:45:03Z")

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You can’t segment a 3d images , those images are already processed .  
Segmentation is done for Dicom or even JPEG . These are raw images that can be used for segmentation .

Look for the original volume , usually axial series and use it for segmentation