# Missing Modules in Segment Editor

**URL:** <https://discourse.slicer.org/t/missing-modules-in-segment-editor/2480>\
**Category:** Support\
**Created:** [March 30, 2018, 7:04pm UTC](https://discourse.slicer.org/t/missing-modules-in-segment-editor/2480 "2018-03-30T19:04:28Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Giovanny.Casadiego](https://avatars.discourse-cdn.com/v4/letter/g/0ea827/32.png) [@Giovanny.Casadiego](https://discourse.slicer.org/u/Giovanny.Casadiego)\
**Post date:** [March 30, 2018, 7:04pm UTC](https://discourse.slicer.org/t/missing-modules-in-segment-editor/2480/1 "2018-03-30T19:04:28Z")

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Hi Everyone,

While watching the Hollow effect video, I could notice that I’m missing buttons in my Segment Editor.  
Any ideas?

Thanks!  
G

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**Author:** ![Sunderlandkyl](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sunderlandkyl/32/79987_2.png) [@Sunderlandkyl](https://discourse.slicer.org/u/Sunderlandkyl)\
**Post date:** [March 30, 2018, 7:35pm UTC](https://discourse.slicer.org/t/missing-modules-in-segment-editor/2480/2 "2018-03-30T19:35:02Z")

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There are additional editor effect available in the SegmentEditorExtraEffects extension.

> [@New segment editor effects: Mask volume and Surface cut](https://discourse.slicer.org/t/new-segment-editor-effects-mask-volume-and-surface-cut/699):
>
> See short demo video of the new “Mask volume” and “Surface cut” Segment editor effects here: These effects were developed by Kyle Macneil (Med-i Lab, Queen’s University; SPL, Brigham and Women’s Hospital), with help from @lassoan and @fedorov . Thank you for your contribution! Mask volume: Blanks out a segment or surrounding area in a volumetric image. Useful for quick removal of unwanted objects (such as CT table) or showing only a selected organ. It can also be used for creating a binary m…