# Extension BrainStructuresSegmenter
**URL:** https://discourse.slicer.org/t/extension-brainstructuressegmenter/9896
**Category:** Support
**Tags:** extensions-manager
**Created:** [January 21, 2020, 3:25pm UTC](https://discourse.slicer.org/t/extension-brainstructuressegmenter/9896 "2020-01-21T15:25:38Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Bester\_Quester](https://discourse.slicer.org/u/Bester_Quester)
#### Post date: [January 21, 2020, 3:25pm UTC](https://discourse.slicer.org/t/extension-brainstructuressegmenter/9896/1 "2020-01-21T15:25:38Z")
Hi there, i am using slicer in my lecture. I would be inetrested whether the extension BrainStructuresSegmenter is available or how i can use it.
Operating system: Windows
Slicer version:4.10; 4.10.2; 4.11 (nightly)
Expected behavior: Extnsion is abailable in the extension manager
Actual behavior: there is no such an extension. The linke is documebnted in version 4.10
[https://www.slicer.org/wiki/Documentation/Nightly/Modules/BrainStructuresSegmenter](https://www.slicer.org/wiki/Documentation/Nightly/Modules/BrainStructuresSegmenter)
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### Author:  [@pieper](https://discourse.slicer.org/u/pieper)
#### Post date: [January 21, 2020, 3:48pm UTC](https://discourse.slicer.org/t/extension-brainstructuressegmenter/9896/2 "2020-01-21T15:48:58Z")
Did you try contacting the authors of that extension directly? They may not be monitoring the forum. I don’t know if that extension is being maintained and it’s not registered to be built.
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