# Extracting 2D Slices shown in 3D Plane

**URL:** <https://discourse.slicer.org/t/extracting-2d-slices-shown-in-3d-plane/27621>\
**Category:** Support\
**Created:** [February 3, 2023, 7:13pm UTC](https://discourse.slicer.org/t/extracting-2d-slices-shown-in-3d-plane/27621 "2023-02-03T19:13:47Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![tinacai](https://avatars.discourse-cdn.com/v4/letter/t/3e96dc/32.png) [@tinacai](https://discourse.slicer.org/u/tinacai)\
**Post date:** [February 3, 2023, 7:13pm UTC](https://discourse.slicer.org/t/extracting-2d-slices-shown-in-3d-plane/27621/1 "2023-02-03T19:13:47Z")

</div>

Hi All,

I am trying to measure relative bone density. Is there a way that I can identify the slice corresponding to a specific structure and if there’s a way I can merge 2d slices together with the desire structure? Thanks!