# Extract centerline may crash slicer on tight arterial stenosis

**URL:** <https://discourse.slicer.org/t/extract-centerline-may-crash-slicer-on-tight-arterial-stenosis/19484>\
**Category:** VMTK\
**Created:** [September 2, 2021, 2:40pm UTC](https://discourse.slicer.org/t/extract-centerline-may-crash-slicer-on-tight-arterial-stenosis/19484 "2021-09-02T14:40:39Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [March 18, 2023, 4:17am UTC](https://discourse.slicer.org/t/extract-centerline-may-crash-slicer-on-tight-arterial-stenosis/19484/4 "2023-03-18T04:17:58Z")

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Probably this fix solved this problem:

> [@Extract centeline Auto-detect tree mode](https://discourse.slicer.org/t/extract-centeline-auto-detect-tree-mode/26576/7):
>
> The crash was due to a bug in VTK that I’ve fixed a couple of months ago, but that fix was not yet backported into Slicer’s VTK. I’ve now [backported it](https://github.com/Slicer/Slicer/commit/396c8e5d0ac6bcacf413103c3cb358211a9d5d8c), so centerline extraction will work robustly in Slicer Preview Release that you download on 2023-03-19 or later.

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