# How to Fuse image SPECT and CTA

**URL:** <https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814>\
**Category:** Support\
**Tags:** registration, dicom\
**Created:** [March 29, 2021, 3:06am UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814 "2021-03-29T03:06:59Z")\
**Posts on this page:** 20\
**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:** [March 29, 2021, 3:06am UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/1 "2021-03-29T03:06:59Z")

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Operating system: windows  
Slicer version: 4.13  
Expected behavior:  
Actual behavior: anyone can help me with how to fuse image SPECT with CT Abdomen?

That is because my spect image inn 4D(one image), while my CTA has (3D images) have 673 frames.

how could I do?

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**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:** [March 29, 2021, 6:21pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/2 "2021-03-29T18:21:00Z")

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Can you clarify what you mean by “4D (one image)” ? I’m not too familiar with SPECT but I thought it would be one volume.

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<div class="post-metadata">

**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:** [March 29, 2021, 6:31pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/3 "2021-03-29T18:31:02Z")

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Yes correct, one volume

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**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:** [March 29, 2021, 7:11pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/4 "2021-03-29T19:11:15Z")

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In that case the regular overlay methods should work. The documentation is here:

[https://slicer.readthedocs.io/en/latest/user\_guide/user\_interface.html#slice-view](https://slicer.readthedocs.io/en/latest/user_guide/user_interface.html#slice-view)

Put the CT in the background and the SPECT in the foreground and then use the slider to adjust the opacity of the overlay. Someone probably has a video example somewhere but I’m not sure where.

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**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [December 30, 2023, 12:29pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/5 "2023-12-30T12:29:10Z")

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Hell, brother, hope you are doing well.  
Did you get your answer? Or did you find the software to fuse SPECT and CT images? I have the same problem. My CT images are around 160 and SPECT image are in one volume. If you solved your problem, Please help me.

Thanks in advance

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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:** [December 30, 2023, 12:49pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/6 "2023-12-30T12:49:21Z")

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Yah… I have settle for fusing SPECT and CT. you can use registration module. There is many method you can use.

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**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [December 30, 2023, 12:52pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/7 "2023-12-30T12:52:38Z")

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Thanks for your reply.

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263

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**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [December 30, 2023, 12:56pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/8 "2023-12-30T12:56:34Z")

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Could describe a bit more, please. 🙏

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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:** [December 30, 2023, 1:04pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/9 "2023-12-30T13:04:34Z")

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I think better I remote your computer instead explain by email.

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [December 30, 2023, 1:07pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/10 "2023-12-30T13:07:36Z")

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this is my and desk address: 1 791 924 124

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<div class="post-metadata">

**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:** [December 30, 2023, 1:27pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/11 "2023-12-30T13:27:59Z")

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Okay I will let you know when I want to remote. Give me some time

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [December 30, 2023, 1:29pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/12 "2023-12-30T13:29:03Z")

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Thanks brother 🙏

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263

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<div class="post-metadata">

**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:** [January 1, 2024, 7:42am UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/13 "2024-01-01T07:42:03Z")

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I tried remote, but failed

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [January 1, 2024, 7:43am UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/14 "2024-01-01T07:43:59Z")

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Hello brother. Sorry my laptop was off. Now it’s on.

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [January 1, 2024, 7:59am UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/15 "2024-01-01T07:59:27Z")

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Can you try now?

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [January 1, 2024, 9:29am UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/16 "2024-01-01T09:29:02Z")

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Brother, I found your video on YouTube. It was very good. But in my case, the orientation of SPECT and CT Images are not the same. For example, when I import the images, the axial view of CT and SPECT are not the same.

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263

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<div class="post-metadata">

**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:** [January 1, 2024, 12:15pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/17 "2024-01-01T12:15:49Z")

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Actually, I tried to remote you computer. But lagging.

Maybe can try again this evening.

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [January 1, 2024, 1:11pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/18 "2024-01-01T13:11:34Z")

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It’s look like this 👇

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263

 ![IMG_20240101_163948_152.jpg](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/6/6/668eda478e5c252ab549cad6330cf4c2b569a3f7.jpeg)

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<div class="post-metadata">

**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:** [January 1, 2024, 1:32pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/19 "2024-01-01T13:32:42Z")

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Your SPECT images is projection, not reconstructed.

You need to have SPECT reconstruction, not projection.

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<div class="post-metadata">

**Author:** ![Kazim\_Radfar](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/kazim_radfar/32/68839_2.png) [@Kazim\_Radfar](https://discourse.slicer.org/u/Kazim_Radfar)\
**Post date:** [January 1, 2024, 1:45pm UTC](https://discourse.slicer.org/t/how-to-fuse-image-spect-and-cta/16814/20 "2024-01-01T13:45:16Z")

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Thanks brother.

Kazim Radfar  
Medical Physicist in KUMS  
Add: Jamal mina, Karte Sakhi, Kabul, Afghanistan.  
Tel: +93-776-200-263