Smartbrush Angio

Using Smartbrush Angio

General Information

After ROI definition, Smartbrush Angio automatically detects and builds a 3D nidus object based on the selected anatomical image data. This object is displayed on each slice of your patient image series.

Main Screen Overview

Smartbrush Angio allows you to manually highlight and fine-tune regions of interest within individual slices.

By default the 3×3 View displays an overview of the detected 3D nidus object as slices. Each slice is available for editing. If you select a different view ②, the 3×3 View ④ updates accordingly.



No.Explanation
Angiogram views, e.g., lateral left or frontal right and their respective controls for angiogram playback.
View options:

  • Axial

  • Coronal

  • Sagittal

  • 3D

Orange border indicates the view in use in the main screen area
Image slices of the 3D nidus object
Toolbar
Drop down view selection menu
Adjustable slice thickness slider

Toolbar Functions

Button

Function



Scroll: scroll through image slices by dragging the mouse pointer across the current slice.



Zoom: zoom to the region of interest by dragging the mouse pointer across the slice.



Toggle between 3×3 View and Single View and display a drop-down menu of available fused images.



Pan: pan to region of interest on the images.

The position of the click/touch defines the view center.



Retrace outlines of the 3D nidus object.



Retouch individual slices of the 3D nidus object.



Correct imperfections and define borders more accurately.



Select Undo to undo the last change made.



Adjust the brightness by dragging the mouse pointer across the current slice.



Rotate around the 3D object using Rotate.

How to Use Smartbrush for Editing Nidus Objects

Steps

1.



Select 3×3 View from View options.

2.

Center and zoom to the region of interest using the Zoom, Scroll and Pan functions.

3.



Select Smartbrush.

4.

Drag Smartbrush over your highlighted area in a brush-like motion.

5.

Smartbrush highlights all connected pixels.

6.



If any edges of the highlighted area are not correctly separated from the surrounding area, use Erase to define these borders more accurately.

7.



Use Scroll to proceed to the next slice.

8.

Adjust Slice Thickness if necessary (see Slice Thickness for more information).

9.

Repeat steps 4-8 until you are satisfied with the results.

10.

Verify the 3D nidus object.

11.

Select Done to complete angio planning.

Content Manager opens.

How to Use Brush for Editing Nidus Objects

Steps

1.



Select Single View from View options.

2.

Center and zoom to the region of interest using the Zoom, Scroll and Pan functions.

3.



Select Brush.

4.

Drag Brush over your highlighted area in a brush-like motion.

5.

Brush highlights all connected pixels and creates an object without interpolation.

6.



If any edges of the highlighted area are not correctly separated from the surrounding area, use Erase to define these borders more accurately.

7.



Use Scroll to proceed to the next slice.

8.

Adjust Slice Thickness if necessary (see Slice Thickness for more information).

9.

Repeat steps 4-8 until you are satisfied with the results.

10.

Verify the 3D nidus object.

11.

Select Done to complete angio planning

Content Manager opens.

Saving the Nidus Object

The 3D nidus object is saved in the workflow upon selecting Done.

The default naming convention for the 3D nidus object is:

  • Nidus (“3D image series name”)

How to View in 3D



Steps

1.

Select 3D from the view options ①.

The main screen displays the 3D view.

2.

Center and zoom to the region of interest using the Zoom, Scroll and Pan functions ②.

3.

To aid viewing, increase or decrease the Vessel Complexity using the slider ③.

Visualization Functions



You can view 2D angiography projections as videos to aid correct nidus detection.

Steps

1.

Select either the frontal or left/right angiography projection from the left side of the screen.

2.

Click the play/pause button ① to play the video in the main screen view.

Alternatively, click the play button directly in the chosen project window.

Viewing Options

OptionsExplanation
DSA ViewDigital Subtraction Angiography: Displays the angiography imaging in grayscale.
CIP ViewColor Intensity Projection: Dynamic angio flow with color-coded time information based on DSA images
Red-Blue ViewRed-blue represents the early-late contrast flow phase

Slice Thickness



To aid viewing, increase the Slice Thickness using the slider ① within 3×3 View and Single View.

The views update accordingly and display greater image depth, similar to maximum intensity projection (MIP).

Data Modification

Any modification to the ROI, triggers the creation of a new nidus object.

An existing 3D nidus object that is modified, is saved in a new plan with the same name.

Reviewing Results

To verify your results you must consider the following:

  • Review/compare with projective images

  • Review CIP and Red-Blue images

  • Slice thickness

Warning
Warning

Angio Planning Output

When an angio plan is complete, the following output is saved as DICOM data after selecting Done:

  • 3D objects (nidus and vessel segmentation)

  • 2D CIP image series

  • Fusions (2D projections with the 3D MR or CT volumes)

Reloading Angio Planning Data

When angio planning is complete, reloading the treatment plan skips the Fusion and ROI contouring steps. The existing result is displayed in the 3×3 View within Brush.

The output can be used for further processing.

Article No. 60914-69EN

Utgivelsesdato: 2014-05-29