cardiac mri toolkit slicer extension...na-mic national alliance for medical image computing cardiac...
TRANSCRIPT
![Page 1: Cardiac MRI Toolkit Slicer Extension...NA-MIC National Alliance for Medical Image Computing Cardiac MRI Toolkit Slicer Extension Salma Bengali, Alan Morris, Brian Zenger,](https://reader036.vdocuments.us/reader036/viewer/2022071213/6041ad22bb46e22f89077bed/html5/thumbnails/1.jpg)
NA-MIC
National Alliance for Medical Image Computing
http://www.na-mic.org
Cardiac MRI Toolkit Slicer
Extension Salma Bengali, Alan Morris, Brian Zenger,
Josh Cates, Rob MacLeod
CARMA Center
Email: [email protected]
NA-MIC Tutorial Contest: Summer 2013
© 2011, All Rights Reserved
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National Alliance for Medical Image Computing
http://www.na-mic.org
Learning Objective
This tutorial demonstrates how to use the
Cardiac MRI Toolkit Slicer extension.
© 2011, All Rights Reserved
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National Alliance for Medical Image Computing
http://www.na-mic.org
To use this tutorial, you would need to have completed:
Data Loading and Visualization
by Sonia Pujol, Ph.D., Harvard Medical School
Pre-Requisite
© 2012, All Rights Reserved
http://www.slicer.org/slicerWiki/index.php/Documentation/4.0/Training
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National Alliance for Medical Image Computing
http://www.na-mic.org
This tutorial requires the installation of the
Slicer4.1release and the tutorial dataset. These are
available at the following locations-
Slicer download page: http://www.slicer.org/pages/Downloads/
Tutorial dataset: Cardiac MRI Toolkit Tutorial Data http://www.na-
mic.org/Wiki/index.php/File:Cardiac_MRI_Toolkit_Tutorial_Data.zip
Material
© 2011, All Rights Reserved
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National Alliance for Medical Image Computing
http://www.na-mic.org
Platforms
© 2011, All Rights Reserved
This tutorial was designed for-
10.6.8
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National Alliance for Medical Image Computing
http://www.na-mic.org
About This Tutorial
This tutorial explains the usage of the Cardiac MRI
Toolkit with a series of screen shots and video
captures
Screen shots will explain how to initialize Slicer
modules for each step
Video captures will show the entire process of
completing a step
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National Alliance for Medical Image Computing
http://www.na-mic.org
Overview
Input
Image
Segment
Endo
Segment
Wall
Remove
PVs
Auto Scar
Detection
Visualization
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National Alliance for Medical Image Computing
http://www.na-mic.org
1. Get the Extension
The extension can be downloaded using the Extension
Manager, after installing the latest nightly binary of Slicer:
http://download.slicer.org/
The extension can be built manually after downloading
our source code from the CARMA Center GitHub repo:
https://github.com/carma-center/carma_slicer_extension
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National Alliance for Medical Image Computing
http://www.na-mic.org
2. Load the Sample LGE-
MRI Image
Click the ‘Data’
button
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National Alliance for Medical Image Computing
http://www.na-mic.org
Open the file
browser
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National Alliance for Medical Image Computing
http://www.na-mic.org
Select the
required image
file
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National Alliance for Medical Image Computing
http://www.na-mic.org
The viewer will
update and display
the image
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National Alliance for Medical Image Computing
http://www.na-mic.org
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National Alliance for Medical Image Computing
http://www.na-mic.org
3. Manually Segment the
LA Endocardium
Open the Slicer
Editor tool
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National Alliance for Medical Image Computing
http://www.na-mic.org
Select the Paint
Effect tool
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National Alliance for Medical Image Computing
http://www.na-mic.org
Paint over the LA
endocardium slice-
by-slice
Radius of the paint
tool can be adjusted
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National Alliance for Medical Image Computing
http://www.na-mic.org
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National Alliance for Medical Image Computing
http://www.na-mic.org
4. Dilate the Endocardium
Segmentation
Select the Axial
Dilate module from
the extension
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National Alliance for Medical Image Computing
http://www.na-mic.org
Set the Target Mask as
the endocardium
segmentation
Create a new
output image for
the Axial Dilate
result
Run the module
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National Alliance for Medical Image Computing
http://www.na-mic.org
Endocardium
segmentation
Epicardium
(dilated)
segmentation
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National Alliance for Medical Image Computing
http://www.na-mic.org
5. Subtract the Segmentations
Select the Boolean
Remove Filter
module from the
extension
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National Alliance for Medical Image Computing
http://www.na-mic.org
Select the required
input and output
volumes (Subtract
endo from epi)
Run the module
Create a new
output image for
the Boolean
Remove result
Result will be the LA
wall segmentation
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National Alliance for Medical Image Computing
http://www.na-mic.org
Subtraction result
(Wall segmentation)
Epicardium
segmentation
Endocardium
segmentation
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National Alliance for Medical Image Computing
http://www.na-mic.org
6. Remove Pulmonary Veins
from Wall Segmentation
Select the Erase
Effect tool
Open the Slicer
Editor tool
Edit the
segmentation
slice-by-slice
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National Alliance for Medical Image Computing
http://www.na-mic.org
Wall segmentation
without PVs
Wall segmentation
with PVs
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National Alliance for Medical Image Computing
http://www.na-mic.org
7. Cut Pulmonary Veins from
Endocardium Segmentation
Select the PV
Antrum Cut module
from the extension
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National Alliance for Medical Image Computing
http://www.na-mic.org
Select the required
input volumes
Run the module
Create a new output
image for the PV
Antrum Cut result
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National Alliance for Medical Image Computing
http://www.na-mic.org
Endocardium
segmentation minus PVs
Endocardium
segmentation with PVs
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National Alliance for Medical Image Computing
http://www.na-mic.org
8. Create Model of
Endocardium Minus PVs
Select the Slicer
Model Maker module
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National Alliance for Medical Image Computing
http://www.na-mic.org
Select the required
input volume and
create a new
model hierarchy
Run the module
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National Alliance for Medical Image Computing
http://www.na-mic.org
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National Alliance for Medical Image Computing
http://www.na-mic.org
9. Run Automatic LA Scar
Detection
Select the Automatic
Left Atrial Scar module
from the extension
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National Alliance for Medical Image Computing
http://www.na-mic.org
Select the required
input volumes
Run the module
Create a new output
image for the PV
Antrum Cut result
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National Alliance for Medical Image Computing
http://www.na-mic.org
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National Alliance for Medical Image Computing
http://www.na-mic.org
10. Create Scar Model
Select the Slicer
Model Maker module
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National Alliance for Medical Image Computing
http://www.na-mic.org
Run the module
Select the required
input volume and
create a new
model hierarchy
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National Alliance for Medical Image Computing
http://www.na-mic.org
The scar regions of
the left atrium wall
will be displayed
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National Alliance for Medical Image Computing
http://www.na-mic.org
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National Alliance for Medical Image Computing
http://www.na-mic.org
Conclusion
© 2011, All Rights Reserved
We have demonstrated the use of our Cardiac MRI Toolkit
Slicer extension for the purpose of segmentation and
enhancement quantification.
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National Alliance for Medical Image Computing
http://www.na-mic.org
National Alliance for Medical Image Computing
NIH U54EB005149
Acknowledgments
© 2011, All Rights Reserved
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National Alliance for Medical Image Computing
http://www.na-mic.org
Thank You!