# DVH segmentation

**URL:** <https://discourse.slicer.org/t/dvh-segmentation/34218>\
**Category:** Support\
**Created:** [February 9, 2024, 2:15am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218 "2024-02-09T02:15:50Z")\
**Posts on this page:** 10\
**Page:** 1

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**Author:** ![Mouadh\_Ben\_Nasr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mouadh_ben_nasr/32/68747_2.png) [@Mouadh\_Ben\_Nasr](https://discourse.slicer.org/u/Mouadh_Ben_Nasr)\
**Post date:** [February 9, 2024, 2:15am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/1 "2024-02-09T02:15:50Z")

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Hey everyone,  
I am conducting a study about selective intraarterial radiation therapy (SIRT) in HCC.  
I used Simplicity software (Boston) for segmenting Liver, tumor, perfused volume and normal liver tissue. The isodose curves were created, and the only exportable form is .CSV files.  
Is it possible to make the imported dose curves from the DHV .CSV files in 3D sliver, and register them on the already segmented liver and tumor label maps?  
Thanks for your help

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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:** [February 9, 2024, 2:16am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/2 "2024-02-09T02:16:51Z")

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You can compute and compare dose volume histograms in Slicer, using SlicerRT extension.

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**Author:** ![Mouadh\_Ben\_Nasr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mouadh_ben_nasr/32/68747_2.png) [@Mouadh\_Ben\_Nasr](https://discourse.slicer.org/u/Mouadh_Ben_Nasr)\
**Post date:** [February 9, 2024, 8:10am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/3 "2024-02-09T08:10:15Z")

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I imported the segmentation. But, when importing DHV .csv files, I can’t make further steps.  
Here is an exemple

 ![IMG_9154](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/4/8/48b5b67dd96116865b70a3c1e6698a7aa62655fb.jpeg)  
Thanks for helping me

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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:** [February 9, 2024, 10:58am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/4 "2024-02-09T10:58:11Z")

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I was assuming that you meant DVH (dose volume histogram) and DHV was just a typo, but you keep consistently using the DHV acronym. Could you explain what you mean by DHV?

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**Author:** ![Mouadh\_Ben\_Nasr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mouadh_ben_nasr/32/68747_2.png) [@Mouadh\_Ben\_Nasr](https://discourse.slicer.org/u/Mouadh_Ben_Nasr)\
**Post date:** [February 9, 2024, 11:00am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/5 "2024-02-09T11:00:41Z")

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Indeed, I meant the dose volume histogram (DVH).  
The only exportable data form is csv file on Simplicity (Boston Scientific), or graph form.

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<div class="post-metadata">

**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:** [February 10, 2024, 5:05pm UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/6 "2024-02-10T17:05:11Z")

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DVH computation is fairly straightforward. You don’t need to import it from an external software but you can directly compute it in Slicer.

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<div class="post-metadata">

**Author:** ![Mouadh\_Ben\_Nasr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mouadh_ben_nasr/32/68747_2.png) [@Mouadh\_Ben\_Nasr](https://discourse.slicer.org/u/Mouadh_Ben_Nasr)\
**Post date:** [February 10, 2024, 5:06pm UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/7 "2024-02-10T17:06:58Z")

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Does it work with Yottrium 90 PET/CT or PET/MRI exams?

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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:** [February 10, 2024, 5:10pm UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/8 "2024-02-10T17:10:08Z")

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Yes, it does not matter what imaging modality you used for creating your segmentation (structure sets) - CT, CBCT, MRI, 3D ultrasound, etc.; and any 3D dose map can be used as input.

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**Author:** ![Mouadh\_Ben\_Nasr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mouadh_ben_nasr/32/68747_2.png) [@Mouadh\_Ben\_Nasr](https://discourse.slicer.org/u/Mouadh_Ben_Nasr)\
**Post date:** [February 10, 2024, 7:33pm UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/9 "2024-02-10T19:33:37Z")

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Which is the appropriate form to export these doses from Simplicity 90Y software (Boston scientific)?

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<div class="post-metadata">

**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:** [February 11, 2024, 11:48am UTC](https://discourse.slicer.org/t/dvh-segmentation/34218/10 "2024-02-11T11:48:33Z")

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Probably the best is to export it as DICOM (RTDOSE) file, because that contains all necessary metadata to interpret the voxel values.