²First goal is to mark top
middle and rear middle of AC
åSagittal: look for AC at bottom level of corpus callosum, below
fornix
åCoronal: look for ÒmustacheÓ; Axial: look for
inter-hemispheric connection
åGet AC centered at
focus of crosshairs (in Axial and Coronal)
åMove superior until
AC disappears in Axial view; then inferior 1 pixel
åPress IN [AC superior edge] marker toggle, then [Set]
åMove focus back to
middle of AC
åMove posterior until
AC disappears in Coronal view; then anterior 1 pixel
åPress IN [AC posterior
margin], then [Set]