# Compute surface area in segment based on Hounsfield units (CT-images)

**URL:** <https://discourse.slicer.org/t/compute-surface-area-in-segment-based-on-hounsfield-units-ct-images/11167>\
**Category:** Support\
**Tags:** feature\
**Created:** [April 17, 2020, 7:37pm UTC](https://discourse.slicer.org/t/compute-surface-area-in-segment-based-on-hounsfield-units-ct-images/11167 "2020-04-17T19:37:01Z")\
**Posts on this page:** 1\
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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:** [April 17, 2020, 11:11pm UTC](https://discourse.slicer.org/t/compute-surface-area-in-segment-based-on-hounsfield-units-ct-images/11167/2 "2020-04-17T23:11:39Z")

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We developed a module for this with @hherhold some time ago, now I’ve touched it up and pushed it into [Sandbox extension](https://github.com/PerkLab/SlicerSandbox/tree/master/SegmentCrossSectionArea). You can download it tomorrow in latest Slicer Preview Release. The Sandbox extension is in Examples category, after you install it, the “Segment Cross-Section Area” module should show up in Quantification category.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/c/0/c011b587a9832cdf3a0bcc0a4a126e44d0e78e73.png)

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