IMPAX 6.5.1 Client Knowledge Base: Extended > Reading studies > Interpreting breast images
Some mammography images have sequenced VOI LUT (Volume of Interest Look Up Table) items available that allow you to apply different visual presentations to images. The button is grayed out and unavailable if there is only one item or if no VOI LUT sequence is present. When multiple VOI LUT selections are available, you can select from them by right-clicking the VOI LUT button and selecting the required presentation.
To select a VOI LUT to apply a different visual presentation to a breast image
When the VOI LUT tool button is enabled or highlighted, from the Image area top toolbar, right-click VOI LUT Selection. ![]()
From the list, select the appropriate presentation.
The following illustrates a set of possible VOI LUT options:

The presentation is applied to the image
![]() | Tip: You can assign keyboard shortcuts to toggle through the VOI LUT choices. Select Next VOI LUT and/or Previous VOI LUT as the keyboard actions. |
See also
Topic number: 102233 Applies to: IMPAX 6.5.1 Client Knowledge Base |