Can't seem to get the skull out of a MRI scan of a brain

Support
1

Hi, as a project I want to get a STL file from a skull, but when using my MRI scan I can’t seem to only get the skull. It’s either the whole head (with skin) or only the brain.

Could anyone help me with this issue?

2

Are you asking about image segmentation? Can you describe in detail what you tried already?

3

I tried using the Segment Editor and set a Threshold and tried different presets in the Volume Rendering module, but I have not been able to only show the skull. Each time I try it ends up looking something like this.

image
image1920×512 65.7 KB

4

On MRI, you can see the bone as a black structure. Unfortunately, that is true for air and ligaments/tendons. Accordingly, you need to perform a significant amount of preparation on the data to get a partial skull rendering.

5

I see.

How would I go about achieving this? (I am fairly new to the program)

6

It’s not really about the program, it’s about the nature of CT vs MR scanning. Bones like the skull are hard to image in MR compared to CT.

7

In that case it would be very hard (if not impossible) to be able to export the skull with this data?

aka not possible?

8

Right - with just the data you have it would be very hard to segment the skull.

9

I understand. Thank all of you for you help!