# Total Lesion glycolysis

**URL:** <https://discourse.slicer.org/t/total-lesion-glycolysis/19756>\
**Category:** Support\
**Tags:** segmentation, extensions-manager\
**Created:** [September 20, 2021, 6:47am UTC](https://discourse.slicer.org/t/total-lesion-glycolysis/19756 "2021-09-20T06:47:02Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![akmal871026](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/akmal871026/32/11642_2.png) [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Post date:** [September 20, 2021, 6:47am UTC](https://discourse.slicer.org/t/total-lesion-glycolysis/19756/1 "2021-09-20T06:47:02Z")

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Hi all,

can help me, is it 3D Slicer able to calculate the total lesion glycolysis (TLG) for Pet Ct?

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<div class="post-metadata">

**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [September 20, 2021, 12:40pm UTC](https://discourse.slicer.org/t/total-lesion-glycolysis/19756/2 "2021-09-20T12:40:52Z")

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You need to install the PET extensions.

[https://www.slicer.org/wiki/Documentation/Nightly/Extensions/PET-IndiC](https://www.slicer.org/wiki/Documentation/Nightly/Extensions/PET-IndiC)

[https://www.slicer.org/wiki/Documentation/Nightly/Extensions/PETDICOM](https://www.slicer.org/wiki/Documentation/Nightly/Extensions/PETDICOM)