# Nasal Cavity Geometry Extraction

**URL:** <https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798>\
**Category:** Support\
**Created:** [October 16, 2019, 2:24pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798 "2019-10-16T14:24:58Z")\
**Posts on this page:** 8\
**Page:** 2

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**Author:** ![MSheheryar](https://avatars.discourse-cdn.com/v4/letter/m/dbc845/32.png) [@MSheheryar](https://discourse.slicer.org/u/MSheheryar)\
**Post date:** [October 30, 2019, 8:45am UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/21 "2019-10-30T08:45:50Z")

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I need a sample CT DICOM data of a head. Where can I find it?

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**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/83011_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [October 30, 2019, 3:49pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/22 "2019-10-30T15:49:00Z")

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[https://www.cancerimagingarchive.net/](https://www.cancerimagingarchive.net/)  
Search for head and neck.

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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:** [October 30, 2019, 4:18pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/23 "2019-10-30T16:18:40Z")

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Also on the same site the CPTAC-GBM dataset includes some head CTs.

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**Author:** ![MSheheryar](https://avatars.discourse-cdn.com/v4/letter/m/dbc845/32.png) [@MSheheryar](https://discourse.slicer.org/u/MSheheryar)\
**Post date:** [November 4, 2019, 4:52pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/24 "2019-11-04T16:52:29Z")

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This data is in TCIA format. How do I convert it to DICOM or is any there any way to load it in Slicer?

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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:** [November 4, 2019, 5:22pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/25 "2019-11-04T17:22:08Z")

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Most of the data on TCIA is in dicom, you just need to download it.

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**Author:** ![MSheheryar](https://avatars.discourse-cdn.com/v4/letter/m/dbc845/32.png) [@MSheheryar](https://discourse.slicer.org/u/MSheheryar)\
**Post date:** [November 4, 2019, 5:33pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/26 "2019-11-04T17:33:25Z")

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I have downloaded it but how do I import it in Slicer. I tried to drag and drop but it shows nothing.

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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:** [November 4, 2019, 6:14pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/27 "2019-11-04T18:14:46Z")

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Did you use the download manager? [https://wiki.cancerimagingarchive.net/display/NBIA/Download+Manager+7.0](https://wiki.cancerimagingarchive.net/display/NBIA/Download+Manager+7.0)

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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:** [November 4, 2019, 6:15pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/28 "2019-11-04T18:15:20Z")

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You might also try [https://www.slicer.org/wiki/Documentation/Nightly/Extensions/TCIABrowser](https://www.slicer.org/wiki/Documentation/Nightly/Extensions/TCIABrowser)

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