Extract an area from a series for 3D reconstructions

1) Open your series and select the Closed Polygon tool:

2) Activate the Thick Slab feature:

3) Draw your ROI on this Thick Slab:

4) Propagate your ROI to current Thick Slab by pressing Ctrl-S, or menu ROI : Propagate to current Thick Slab

5) “Jump” to the next Thick Slab, by using Ctrl-Left or Right Arrow keys

6) Continue to create your ROIs, and propagate the selected ROI up to the end of the series:

7) Delete pixels that are outside these ROIs:

8) For a CT series: select “Outside” and use “-1000” value:

9) You can now produce your 3D image:

For example, a cardiac-CT without the bones…