# How can I add CSF segmantation?

**URL:** <https://discourse.slicer.org/t/how-can-i-add-csf-segmantation/6915>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [May 24, 2019, 1:01pm UTC](https://discourse.slicer.org/t/how-can-i-add-csf-segmantation/6915 "2019-05-24T13:01:54Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![korcan\_1](https://avatars.discourse-cdn.com/v4/letter/k/8797f3/32.png) [@korcan\_1](https://discourse.slicer.org/u/korcan_1)\
**Post date:** [May 24, 2019, 1:01pm UTC](https://discourse.slicer.org/t/how-can-i-add-csf-segmantation/6915/1 "2019-05-24T13:01:54Z")

</div>

Hi,  
My yellow segmentation is skull  
My gray segmentation is brain without CSF

1.)  
I don’t want to empty on my segmentation.I want to add CSF on the this empty area for finite element modelling.

2.)How can I edit my overlap segmentation ?

3.)How can I fill empty on brain segment

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/8/0/803d5970956a415db871c533502d81f51ad5e586.png)