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      Using the MPR and MIST Oblique Features in the Viewer: Tips and Tricks

      The MPR feature allows custom cross-sectional views to be made at any angle and apply projection modes like MIP, MinIP, and Average.

      Tips for Using the Oblique MIST Tool

      1. Select a Series

      MPR menu
      • Tip: First set the viewport layout to 1x1
        Choose a series to work with (e.g., thin-slice axial CT).

      2. Activate MPR Mode

      • Navigate to the toolbar menu and select MPR > MIST Oblique
      • Shortcut: Press Shift + Q to activate quickly.
      • The system will preload the selected series to cache the data locally.

      MIST

      3. Adjust the Image Plane Orientation

      • Select a plane: Click on the desired plane in the viewer.MIP thickness
      • Manipulate crosshairs: Drag, angle, or rotate the crosshairs to adjust the image plane orientation. This enables cross-sectional views at any angle.
      • Set slice thickness: Adjust using the slide bar or select from the menu at the bottom of the viewport.


      4. Choose Projection Type

          • Maximum Intensity Projection (MIP): Displays the highest intensity values in the dataset. Ideal for vascular imaging, such as CT angiography.
          • image-png-Sep-11-2024-12-54-19-1118-PMMinimum Intensity Projection (MinIP): Highlights the lowest intensity values, useful for air-filled structures like the lungs.
          • Average Projection (AVG): Computes the average intensity across a defined plane thickness, offering a balanced view of tissue densities.

      5. Toggle and Display Viewport Options

      MIST layouts

      Toggle the MPR layout display via the viewport side menu options.

       

       

      Tip: Click Close MPR to exit back to the main viewer.