# Liver blood vessel segmentation

**URL:** <https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555>\
**Category:** Feature requests\
**Tags:** segmentation\
**Created:** [July 25, 2024, 9:12am UTC](https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555 "2024-07-25T09:12:55Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Matteboo](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/matteboo/32/66548_2.png) [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Post date:** [July 25, 2024, 9:12am UTC](https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555/1 "2024-07-25T09:12:55Z")

</div>

Hello everyone,

In my work, I need to segment the liver blood vessel. For some time, I used the “liver vessel” task in total segmentator in version 5.4 when it was still using TotalsegmentatorV1. This task is no longer supported and it also has some limitations.

- It only works on CT scan, not MRI
- It only works on human liver (I would also need porcine liver)

However, blood vessel segmentation seems like a task that could be done without AI.  
So my question is :  
**Is there a known method to segment liver blood vessel in human for CT and/or MRI ?  
Do you think that this method will work well in porcine liver?**

I found several scientific paper but I don’t know wich one I should follow 😅  
Any guidance is welcomed

---

<div class="post-metadata">

**Author:** ![rfenioux](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/rfenioux/32/70007_2.png) [@rfenioux](https://discourse.slicer.org/u/rfenioux)\
**Post date:** [July 25, 2024, 11:54am UTC](https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555/2 "2024-07-25T11:54:05Z")

</div>

If you haven’t already, have a look at the [SlicerRVXLiverSegmentation](https://github.com/R-Vessel-X/SlicerRVXLiverSegmentation) extension that is dedicated to liver segmentation.

---

<div class="post-metadata">

**Author:** ![Matteboo](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/matteboo/32/66548_2.png) [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Post date:** [July 25, 2024, 12:36pm UTC](https://discourse.slicer.org/t/liver-blood-vessel-segmentation/37555/3 "2024-07-25T12:36:02Z")

</div>

Thank you for your quick answer 🙂  
I looked at it but it needs the user to manually place point for the blood vessel segmentation. This is exactly what I’m trying to avoid.  
I’m looking for a fully automated way to segment the blood vessel. Also I don’t know if this is relevant but I don’t need the blood vessel tree, I just want to know wich voxel are blood vessel and wich are liver parenchyma.