# \#vessels

**URL:** https://discourse.slicer.org/tag/vessels/179.md

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

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## [Vessel segmentation](https://discourse.slicer.org/t/vessel-segmentation/11807)

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**Author:** [@cotozakot](https://discourse.slicer.org/u/cotozakot)\
**Replies:** 35\
**Last updated:** [January 7, 2025, 5:55am UTC](https://discourse.slicer.org/t/vessel-segmentation/11807 "2025-01-07T05:55:39Z")

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Hey! I need help because I’m just starting with Slicer3D. I have to segment the carotid arteries from CT images (80kV and 140kV). All images with contrast. I tried with Vesselness Filtering but did not get the expect…

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## [Draw tube for vessel segmentation: does not show](https://discourse.slicer.org/t/draw-tube-for-vessel-segmentation-does-not-show/35889)

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**Author:** [@ILB](https://discourse.slicer.org/u/ILB)\
**Replies:** 1\
**Last updated:** [May 3, 2024, 12:46pm UTC](https://discourse.slicer.org/t/draw-tube-for-vessel-segmentation-does-not-show/35889 "2024-05-03T12:46:26Z")

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Hi there! I’ve been trying to work with Draw tube tool for a while. I’m currently working on vessel segmentation, and my goal is to draw a tube in those areas where there is a blood vessel, but the segmentation on the 3…

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## [Blood Vessel stl. model shows error when I used mesh in Ansys Fluent](https://discourse.slicer.org/t/blood-vessel-stl-model-shows-error-when-i-used-mesh-in-ansys-fluent/35254)

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**Author:** [@Reasat\_E\_Noor](https://discourse.slicer.org/u/Reasat_E_Noor)\
**Replies:** 0\
**Last updated:** [April 3, 2024, 12:48pm UTC](https://discourse.slicer.org/t/blood-vessel-stl-model-shows-error-when-i-used-mesh-in-ansys-fluent/35254 "2024-04-03T12:48:28Z")

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I have segmented a bifurcated small artery from Brain MRI . When I import the stl model in Ansys fluent the meshing cannot be done. I want to do a cfd simulation for my research. How to solve the issue? Please help!

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## [Why the Vessel Segmentation module does not exist?](https://discourse.slicer.org/t/why-the-vessel-segmentation-module-does-not-exist/33208)

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**Author:** [@Benny\_Zamir](https://discourse.slicer.org/u/Benny_Zamir)\
**Replies:** 0\
**Last updated:** [December 4, 2023, 6:45pm UTC](https://discourse.slicer.org/t/why-the-vessel-segmentation-module-does-not-exist/33208 "2023-12-04T18:45:40Z")

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Hi I would like to know Why the Vessel Segmentation module does not exist in my 3D Slicer? I have the VMTK module and I use 3D Slicer for Windows.

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## [Vessel Segmentation for carotid artery with stenosis](https://discourse.slicer.org/t/vessel-segmentation-for-carotid-artery-with-stenosis/27272)

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**Author:** [@hoochupapa](https://discourse.slicer.org/u/hoochupapa)\
**Replies:** 9\
**Last updated:** [January 17, 2023, 7:35am UTC](https://discourse.slicer.org/t/vessel-segmentation-for-carotid-artery-with-stenosis/27272 "2023-01-17T07:35:38Z")

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Hi all, I am pretty new to 3D slicer, and would very much appreciate your help :slight\_smile: I am trying to segment and export a .stl file of the carotid artery with stenosis based on CT images with contrast. Since I…

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## [Creating an automatic US vessel segmentation algorithm using the Python interactor ](https://discourse.slicer.org/t/creating-an-automatic-us-vessel-segmentation-algorithm-using-the-python-interactor/18165)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 11\
**Last updated:** [October 19, 2022, 2:37am UTC](https://discourse.slicer.org/t/creating-an-automatic-us-vessel-segmentation-algorithm-using-the-python-interactor/18165 "2022-10-19T02:37:07Z")

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Hi all! I would like to develop an automatic vessel segmentation algorithm in Python code based on the abdominal aorta. Currently, I am stuck in the trial-and-error procedure since I really would like to avoid any manu…

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## [Vascular supply of a solid organ](https://discourse.slicer.org/t/vascular-supply-of-a-solid-organ/25179)

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**Author:** [@Celina\_Hallal](https://discourse.slicer.org/u/Celina_Hallal)\
**Replies:** 10\
**Last updated:** [October 6, 2022, 6:49am UTC](https://discourse.slicer.org/t/vascular-supply-of-a-solid-organ/25179 "2022-10-06T06:49:06Z")

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Hello! Is there anyway I can estimate the area supplied by a specific branch? I would like to see a preview of an ischemic area if one branch is ligated or embolized, and estimate the drainage area of some vein… Thanks…

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## [Vesselness with no contrast](https://discourse.slicer.org/t/vesselness-with-no-contrast/24179)

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**Author:** [@KateDelb](https://discourse.slicer.org/u/KateDelb)\
**Replies:** 1\
**Last updated:** [July 5, 2022, 12:02pm UTC](https://discourse.slicer.org/t/vesselness-with-no-contrast/24179 "2022-07-05T12:02:23Z")

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Dear, I am currently using the vesselness filter to extract vessels from MRI images. However, this filter automatically assumes that the vessels are highlighted compared to the background, however my vessels are darker …

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## [Vmtk Vesselness Filtering: select seedpoint in Python](https://discourse.slicer.org/t/vmtk-vesselness-filtering-select-seedpoint-in-python/24135)

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**Author:** [@KateDelb](https://discourse.slicer.org/u/KateDelb)\
**Replies:** 1\
**Last updated:** [July 3, 2022, 1:51am UTC](https://discourse.slicer.org/t/vmtk-vesselness-filtering-select-seedpoint-in-python/24135 "2022-07-03T01:51:48Z")

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Hey! I’m using the VMTK VesselnessFilter to find my vessels in a T1ce image. I did this manually in 3DSlicer with no issues. However, I’m seeing that I get better results when I select a seedpoint to determine the min/…

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## [Advice for (Semi-) Automated Segmentation of Neurovasculature](https://discourse.slicer.org/t/advice-for-semi-automated-segmentation-of-neurovasculature/22545)

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**Author:** [@jdh](https://discourse.slicer.org/u/jdh)\
**Replies:** 1\
**Last updated:** [March 16, 2022, 7:39pm UTC](https://discourse.slicer.org/t/advice-for-semi-automated-segmentation-of-neurovasculature/22545 "2022-03-16T19:39:16Z")

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Hello, I have been using Slicer to segment the neurovasculature from MRI datasets of several patients. The focus is on the vessels of the circle of Willis, but I also need to include some of the smaller/darker periphera…

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## [Hepatic vessels segmentation](https://discourse.slicer.org/t/hepatic-vessels-segmentation/16989)

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**Author:** [@miuwells](https://discourse.slicer.org/u/miuwells)\
**Replies:** 1\
**Last updated:** [April 8, 2021, 2:34pm UTC](https://discourse.slicer.org/t/hepatic-vessels-segmentation/16989 "2021-04-08T14:34:05Z")

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What is the best way to segment the intrahepatic vasculature? I have a CT with low intravenous contrast. Is there any automated extension ?? I Ihave tried with threshold, but I don’t get anything with quality. Thank yo…

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## [How does the aortic diameter in cross-section analysis calculated?](https://discourse.slicer.org/t/how-does-the-aortic-diameter-in-cross-section-analysis-calculated/14653)

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**Author:** [@chendong9416](https://discourse.slicer.org/u/chendong9416)\
**Replies:** 9\
**Last updated:** [November 18, 2020, 12:05pm UTC](https://discourse.slicer.org/t/how-does-the-aortic-diameter-in-cross-section-analysis-calculated/14653 "2020-11-18T12:05:13Z")

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Hi, i just want to know how the aortic diameter shown in cross-section analysis (after extract centerline) is calculated, thanks.

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## [Vmtk Vesselness Filtering without seed point?](https://discourse.slicer.org/t/vmtk-vesselness-filtering-without-seed-point/8468)

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**Author:** [@Tommaso\_Di\_Noto](https://discourse.slicer.org/u/Tommaso_Di_Noto)\
**Replies:** 14\
**Last updated:** [February 21, 2020, 10:53am UTC](https://discourse.slicer.org/t/vmtk-vesselness-filtering-without-seed-point/8468 "2020-02-21T10:53:00Z")

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Hi everyone! I was studying tutorials about vmtk and I saw the Vesselness Filtering module. I find it really useful for a single patient, and I manged to make it work by manually specifying the initial seed (fiducial) p…

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## [Need help with quantitative analysis of  vessel](https://discourse.slicer.org/t/need-help-with-quantitative-analysis-of-vessel/7234)

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**Author:** [@Roni](https://discourse.slicer.org/u/Roni)\
**Replies:** 5\
**Last updated:** [July 9, 2019, 3:59am UTC](https://discourse.slicer.org/t/need-help-with-quantitative-analysis-of-vessel/7234 "2019-07-09T03:59:49Z")

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Hi there, I am new o the community. My clinical problem trying to solve is: Calculate vessel diameter/radius at each volume. I have done the follwoing: load my volume generated label map with only vessel of interest a…

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## [Use a centerline model and a segmentation to extract vessels from an image set](https://discourse.slicer.org/t/use-a-centerline-model-and-a-segmentation-to-extract-vessels-from-an-image-set/4880)

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**Author:** [@kantzoul](https://discourse.slicer.org/u/kantzoul)\
**Replies:** 0\
**Last updated:** [November 26, 2018, 11:19pm UTC](https://discourse.slicer.org/t/use-a-centerline-model-and-a-segmentation-to-extract-vessels-from-an-image-set/4880 "2018-11-26T23:19:18Z")

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Hi all, So I have been trying to extract the vessels from a partial MRA brain scan. I wanted to try using the centerline model I got from the VMTK extension and a manual segmentation I did to isolate the vessels. Using …