# Segmentation 2D or 3D ?

**URL:** <https://discourse.slicer.org/t/segmentation-2d-or-3d/8988>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [November 1, 2019, 11:23am UTC](https://discourse.slicer.org/t/segmentation-2d-or-3d/8988 "2019-11-01T11:23:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mohammad\_maskani](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mohammad_maskani/32/5041_2.png) [@mohammad\_maskani](https://discourse.slicer.org/u/mohammad_maskani)\
**Post date:** [November 1, 2019, 11:23am UTC](https://discourse.slicer.org/t/segmentation-2d-or-3d/8988/1 "2019-11-01T11:23:50Z")

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Hi  
I have problem with segmentation of Tumor from Brain CT scan images ,  
Which method is better for Radiomics ? single-slice based (2D) or Segment tumor from all slice (3D)

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [November 1, 2019, 12:06pm UTC](https://discourse.slicer.org/t/segmentation-2d-or-3d/8988/2 "2019-11-01T12:06:51Z")

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In case anyone else is looking, this question [ended up being answered on the pyradiomics list](https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/pyradiomics/NIQMXNuckdU/1od_loQIAgAJ).