# How to measure blood vessel thickness

**URL:** <https://discourse.slicer.org/t/how-to-measure-blood-vessel-thickness/17943>\
**Category:** Support\
**Created:** [June 4, 2021, 1:54am UTC](https://discourse.slicer.org/t/how-to-measure-blood-vessel-thickness/17943 "2021-06-04T01:54:31Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jhchoi](https://avatars.discourse-cdn.com/v4/letter/j/3da27b/32.png) [@jhchoi](https://discourse.slicer.org/u/jhchoi)\
**Post date:** [June 4, 2021, 1:54am UTC](https://discourse.slicer.org/t/how-to-measure-blood-vessel-thickness/17943/1 "2021-06-04T01:54:31Z")

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I want to know how to measure the thickness of red blood vessels. what can i do?

 ![2021-05-31-Scene](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/c/3/c3ca5a98f6ec9ea3a8601ea11065505f62f87c62.jpeg)

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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:** [June 4, 2021, 5:10am UTC](https://discourse.slicer.org/t/how-to-measure-blood-vessel-thickness/17943/2 "2021-06-04T05:10:02Z")

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You can use SlicerVMTK extension’s Extract centerline module to extract one more branches of a segmented vessel tree and get the list of diameters along the curve.